Overview
Our Lined or Clad Steel Pipes are engineered to deliver exceptional performance in demanding environments where corrosion resistance, chemical stability, and mechanical strength are critical. Combining a robust carbon steel outer shell with a corrosion-resistant inner lining or cladding layer, these pipes provide a cost-effective solution for transporting aggressive fluids, gases, or abrasive media. Ideal for industries such as oil & gas, chemical processing, power generation, and water treatment, our lined/clad pipes ensure long-term reliability and safety.
Key Features
- Dual-Layer Protection:
- Lined Pipes: Feature an internal lining of corrosion-resistant materials (e.g., PTFE, PVC, Cement Mortar, or Rubber) bonded to the steel substrate.
- Clad Pipes: Utilize a metallurgically bonded cladding layer (e.g., Stainless Steel, Alloy Steel, or Nickel Alloy) for superior resistance to high-temperature, acidic, or abrasive conditions.
- Enhanced Durability: High-strength carbon steel outer pipe withstands external pressure, impacts, and mechanical stress.
- Chemical & Corrosion Resistance: Inner lining/cladding prevents contamination and degradation from corrosive substances, extending service life.
- Thermal Stability: Suitable for high-temperature applications (up to 600°C, depending on cladding material).
- Cost-Effective: Reduces maintenance costs compared to solid alloy pipes while maintaining performance.
- Customizable: Tailored lining/cladding materials, thicknesses, and pipe dimensions to meet project-specific requirements.
Production Standards
Our lined/clad steel pipes comply with international and national standards, ensuring reliability and global compatibility:
- ASTM (American Society for Testing and Materials): A53, A106, A312, A269, A789
- DIN (Deutsches Institut für Normung): EN 10217-7, DIN 1629, DIN 2391
- ISO (International Organization for Standardization): ISO 3183, ISO 1127
- GB (Chinese National Standard): GB/T 8163, GB/T 14976, GB 5310
Specifications
- Outer Pipe Material: Carbon Steel (ASTM A106 Gr. B, A53 Gr. B, ST37, ST52).
- Lining/Cladding Materials:
- Lined Pipes: PTFE (Teflon), PVC, Cement Mortar, Rubber (NBR, EPDM), FRP.
- Clad Pipes: Stainless Steel (304/304L, 316/316L), Duplex Steel (2205), Alloy Steel (904L), Nickel Alloy (C276, 825).
- Outer Diameter (OD): 1/2″ to 48″ (15mm–1200mm).
- Wall Thickness: 2.0mm–25.0mm (outer pipe + lining/cladding).
- Length: 3m–12m (custom lengths available).
- Connection Types: Beveled ends, plain ends, or threaded ends.
- Lining Thickness: 1.5mm–8.0mm (depending on material and application).
Applications
- Oil & Gas: Pipeline systems for crude oil, natural gas, and corrosive well fluids.
- Chemical Industry: Transport of acids, alkalis, solvents, and chemical slurries.
- Power Generation: Steam condensate lines, boiler feedwater systems.
- Water Treatment: Desalination plants, wastewater pipelines.
- Pharmaceutical & Food: Sanitary piping for pure water, chemicals, and food-grade fluids.
- Mining & Minerals: Slurry transportation and tailings disposal.
Quality Assurance
- Certifications: ISO 9001, CE, PED (Pressure Equipment Directive), and third-party inspection reports (SGS, BV, TÜV).
- Testing: Hydrostatic testing, ultrasonic flaw detection, PMI (Positive Material Identification), and adhesion tests for lining/cladding.
- Traceability: Full material traceability with batch numbers and certification documents.
Packaging & Delivery
- Packing: Protective plastic caps, bundled with steel strips, or customized wooden cases for delicate linings.
- Shipping: Flexible logistics via sea, air, or rail, with FOB/CIF/EXW terms available.
Why Choose Our Lined/Clad Steel Pipes?
- Global Compliance: Meets ASTM, DIN, ISO, and GB standards for worldwide project compatibility.
- Custom Solutions: Tailored lining/cladding materials and dimensions to suit specific media and operating conditions.
- Reduced Lifecycle Costs: Minimizes downtime, repairs, and replacements in corrosive environments.
- Expert Support: Technical assistance for material selection, installation guidelines, and maintenance.
Contact Us
For inquiries, technical specifications, or quotes, please contact our sales team. We are dedicated to providing high-performance lined/clad steel pipes that ensure safety, efficiency, and durability in your critical applications.
Email: sales@alpstools.com
Phone: +86-18713136856
Website: www.alpstools.com
ALL STEEL PIPE PRODUCTION STANDARD IN ALPS
| NO. | STANDARD | DESCRIPTION |
| 1 | API 5CT | Specification for Casing and Tubing |
| 2 | API 5L | Specification for Line Pipe |
| 3 | API SPEC 5DP | Specification for Drill Pipe |
| 4 | ASEM SB729 | Seamless UNS N08020, UNS N08026, UNS N08024 Nickel Alloy Nominal Pipe and Tube |
| 5 | ASME SA-106M | Specification For Seamless Carbon Steel Pipefor High-Temperature Service |
| 6 | ASME SA-179/SA-179M | Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes |
| 7 | ASME SA192M | Seamless Carbon Steel Boil Pipe used for High Pressure |
| 8 | ASME SA209 | Seamless Carbon Molybdenum Alloy Pipe used for Boiler and Superheater |
| 9 | ASME SA-210M | Seamless Medium Carbon Steel Tube & Pipe used for Boiler and Superheater |
| 10 | ASME SA-213M | Seamless Ferrite and Austenite Alloy Steel Pipe used for Boiler, Superheater and Heat Exchanger |
| 11 | ASME SA249 | Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| 12 | ASME SA269 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| 13 | ASME SA312 | Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| 14 | ASME SA333 | Seamless and Welding Nominal Pipe used for Low Temperature |
| 15 | ASME SA-335M | Seamless Ferrite Alloy Nominal Steel Pipe applied for High Temperature |
| 16 | ASME SA358 | Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| 17 | ASME SA-556M | Seamless cold drawn carbon steel tube for feed water heater |
| 18 | ASME SA688 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| 19 | ASME SA789 | Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| 20 | ASME SA790 | Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| 21 | ASME SA928 | Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| 22 | ASME SB163 | Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes |
| 23 | ASME SB165 | Standard Specification for Nickel-Copper Alloy Nominal Pipe and Tube |
| 24 | ASME SB167 | Standard Specification for Nickel-Chromium-Iron Alloys and Nickel-Chromium-Cobalt-Molybdenum Alloys Seamless Nominal Pipe and Tube |
| 25 | ASME SB407 | Nickel-Iron-Chromium Alloy Nominal Pipe and Tube |
| 26 | ASME SB423 | Standard Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy Nominal Pipe and Tube |
| 27 | ASME SB444 | Standard specification for Nickel-Chromium-Molybdenum-Columbium Alloy and Nickel-Chromium-Molybdenum-Silicon Alloy Nominal Pipe and Tube |
| 28 | ASME SB622 | Seamless Nickel and Nickel Cobalt Alloy Nominal Pipe and Tube |
| 29 | ASME SB668 | UNS N08028 Seamless Pipes |
| 30 | ASME SB690 | Specification for Iron-Nickel-Chromium-Molybdenum Alloys Nominal Pipe and Tube |
| 31 | ASTM A 209M | Seamless Carbon Molybdenum Alloy Pipe used for Boiler and Superheater |
| 32 | ASTM A106/A106M | Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service |
| 33 | ASTM A135 | Standard Specification for Electric-Resistance-Welded Steel Pipe |
| 34 | ASTM A153 | Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware |
| 35 | ASTM A178 | Electric-Resistance-Welded Carbon Steel and Carbon·Manganese Steel Boiler and Superheater Tubes |
| 36 | ASTM A179M | Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes |
| 37 | ASTM A192M | Seamless Carbon Steel Boil Pipe used for High Pressure |
| 38 | ASTM A210M | Standard Specification for Seamless Medium-CarbonSteel Boiler and Superheater Tubes |
| 39 | ASTM A213M | Seamless Ferrite and Austenite Alloy Steel Pipe used for Boiler, Superheater and Heat Exchanger |
| 40 | ASTM A214 | Electric-Resistance-Welded Carbon Steel Heat-Exchanger and Condenser Tubes |
| 41 | ASTM A249 | Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| 42 | ASTM A252 | Standard Specification for Welded and Seamless Steel Pipe Piles |
| 43 | ASTM A268 | Standard Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service |
| 44 | ASTM A269 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| 45 | ASTM A312 | Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes |
| 46 | ASTM A334 | Seamless and Welded Carbon and Alloy-Steel Tubes for Low-Temperature Service |
| 47 | ASTM A335 | Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
| 48 | ASTM A358 | Standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| 49 | ASTM A372 | Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels |
| 50 | ASTM A376 | Standard Specification for Seamless Austenitic Steel Pipe for High-Temperature Central-Station Service |
| 51 | ASTM A403 | Standard Specification for Wrought AusteniticStainless Steel Piping Fittings |
| 52 | ASTM A450 | General Requirements for Carbon, Ferritic Alloy, and Austenitic Alloy Steel Tubes |
| 53 | ASTM A500 | Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes |
| 54 | ASTM A501 | Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing |
| 55 | ASTM A513 | Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing |
| 56 | ASTM A517 | Standard Specification for Pressure Vessel Plates, Alloy Steel, High-Strength, Quenched and Tempered |
| 57 | ASTM A519 | Seamless carbon steel & alloy mechanical tubing |
| 58 | ASTM A53 | Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless |
| 59 | ASTM A530 | General Requirements for Specialized Carbon and Alloy Steel Pipe |
| 60 | ASTM A589 | Standard Specification for Seamless and Welded Carbon Steel Water-Well Pipe |
| 61 | ASTM A671 | Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures |
| 62 | ASTM A671 | Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures |
| 63 | ASTM A672 | Standard Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures |
| 64 | ASTM A688 | Standard Specification for Seamless and Welded Austenitic Stainless Steel Feedwater Heater Tubes |
| 65 | ASTM A700 | Standard Guide for Packaging, Marking, and Loading Methods for Steel Products for Shipment |
| 66 | ASTM A789 | Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| 67 | ASTM A790 | Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
| 68 | ASTM A795/A795M-21 | Standard Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use |
| 69 | ASTM A928 | Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal |
| 70 | ASTM B163 | Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes |
| 71 | ASTM B165 | Standard Specification for Nickel-Copper Alloy Nominal Pipe and Tube |
| 72 | ASTM B167 | Standard Specification for Nickel-Chromium-Iron Alloys and Nickel-Chromium-Cobalt-Molybdenum Alloys Seamless Nominal Pipe and Tube |
| 73 | ASTM B423 | Standard Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy Nominal Pipe and Tube |
| 74 | ASTM B673 | Standard Specification for Nickel-Iron-Chromium-Molybdenum-Nitrogen Alloy, Nickel-Iron-Chromium-Molybdenum and Iron-Nickel-Chromium-Molybdenum-Copper Welded Pipe |
| 75 | ASTM B675 | Standard Specification for Iron-Nickel-Chromium-Molybdenum Alloy Welded Pipe |
| 76 | ASTM B677 | Standard Specification for Nickel-Iron-Chromium-Molybdenum and Iron-Nickel-Chromium-Molybdenum-Copper Seamless Pipe and Tube |
| 77 | ASTM B690 | Standard Specification for Iron-Nickel-Chromium-Molybdenum Alloy Seamless Pipe and Tube |
| 78 | ASTM B705 | Standard Specification for Nickel-Alloy Welded Pipe |
| 79 | ASTM F1545 | Standard Specification for Plastic-Lined Ferrous Metal Pipe, Fittings, and Flanges |
| 80 | BS 1387 | Steel Tubes and Tubulars Suitable for Sercwing to BS 21 Pipe Theads |
| 81 | BS 2363 | Seamless and welded steel tubes for automobiles,mechanicaland general engineering prupose |
| 82 | BS EN 10297-1 | Seamless circular steel tubes for mechanical and general engineering purposes. Technical delivery conditions-Non-alloy and alloy steel tubes |
| 83 | BS EN 10305-1 | Technical specification of cold processing precise pipe |
| 84 | BS EN ISO 11120 | Gas cylinders – Refillable seamless steel tubes for compressed gas transport, of water capacity between 150L and 3000L – Design construction and testing |
| 85 | CSA Z245.1 | Steel Pipe |
| 86 | DIN 1629 | Seamless Circular Tubes Of Non Alloys Steels With Special Quality Requirements |
| 87 | DIN 17175 | Seamless Steel Pipe made by Heat-resistant Steel |
| 88 | DIN 17456 | General Purpose Seamless Stainless Steel Tubes |
| 89 | DIN 17458 | Seamless Circular of Austenitic Stainless Steel Tube |
| 90 | DIN 2391 | Seamless precision steel tubes |
| 91 | DIN 2393 | Welded precision steel tubes |
| 92 | DIN 2394 | Welded and Sized Precision Steel Tubes |
| 93 | DIN 2458 | Welded Steel Pipes and Tubes |
| 94 | DIN 2462 | Seamless tubes of stainless steel |
| 95 | DIN 30670 | Polyethylene coatings on steel pipes and fittings – Requirements and testing |
| 96 | DIN 30678 | Polyethylen coatings of steel pipes and fittings |
| 97 | DIN EN 10305 | Steel tubes for precision applications–Technical delivery conditions |
| 98 | EN 10208 | Steel pipes for pipelines for combustible fluids |
| 99 | EN 10216-1 | Seamless Steel Pipe for Pressure purposes |
| 100 | EN 10216-2 | Seamless steel tubes for pressure purposes, Non.alloy and alloy steel tubes with specified elevated temperature properies |
| 101 | EN 10216-3 | Seamless steel tubes for pressure purposes – Technical delivery conditions |
| 102 | EN 10216-4 | Seamless Steel Pipe for Pressure purposes |
| 103 | EN 10216-5 | Stainless Steel Seamless Tubes for pressure purposes |
| 104 | EN 10217 | Welded steel tubes for pressure purposes — Technical delivery conditions |
| 105 | EN 10219 | Cold formed welded steel structural hollow sections |
| 106 | EN 10253 | Butt-welding pipe fittings |
| 107 | EN 10255 | Non-alloy steel tubes suitable for welding and threading — Technical delivery conditions |
| 108 | EN 10296-1 | Welded circular steel tubes for mechanical and general engineering purposes. Non.alloy and alloy steel tubes |
| 109 | EN 10305-1 | Seamless cold drawn tubes |
| 110 | EN 10305-2 | Welded cold drawn tubes |
| 111 | EN 10305-3 | Steel tubes for precision applications |
| 112 | EN 10305-4 | Seamless cold drawn tubes for hydraulic and pneumatic power systems |
| 113 | EN 10305-5 | Welded and cold sized square and retangular tubes |
| 114 | EN 10305-6 | Welded cold drawn tubes for hydraulic and pneumatic power systems |
| 115 | EN 61386-21:2004 | Conduit systems for cable management |
| 116 | GB/T 12770-2012 | Welded stainless steel tubes for mechanical structures |
| 117 | GB/T 12770-2025 | Welded stainless steel tubes for mechanical structures |
| 118 | GB/T 12771-2019 | Welded stainless steel pipes for fluid transport |
| 119 | GB/T 13296-2023 | Seamless stainless steel tubes for boiler and heat exchanger |
| 120 | GB/T 13793-2016 | Steel pipes with a longitudinal electric（resistance）weld |
| 121 | GB/T 14291-2016 | Welded steel pipe for ore pulp transportation |
| 122 | GB/T 14975-2012 | Seamless stainless steel tubes for structure |
| 123 | GB/T 14975-2025 | Seamless stainless steel tubes for structure |
| 124 | GB/T 14976-2025 | Seamless stainless steel pipes for fluid transport |
| 125 | GB/T 15831-2023 | Steel tube scaffold coupler |
| 126 | GB/T 17193 | Extra-heavy duty rigid steel conduits for electrical installations |
| 127 | GB/T 17396-2022 | Seamless hot-rolled steel tubes for hydraulic pillar service |
| 128 | GB/T 17616-2013 | Unified numbering system for designation of iron,steel and alloy |
| 129 | GB/T 18248-2021 | Seamless steel tubes for gas cylinder |
| 130 | GB/T 18984-2016 | Seamless steel tubes for low-temperature-service piping |
| 131 | GB/T 19228.2-2011 | Stainless steel press-fitting assemblies – Part 2：Light gauge stainless steel tubes for press-fittings |
| 132 | GB/T 19830-2023 | Petroleum and natural gas industries—Steel pipes for use as casing or tubing for wells |
| 133 | GB/T 20409-2018 | Seamless multi-rifled steel tubes for high-pressure boiler |
| 134 | GB/T 2102-2022 | Acceptance, packaging, marking and quality certification for steel tubular products |
| 135 | GB/T 21832.1-2018 | Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger |
| 136 | GB/T 21832.2-2018 | Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2:Pipes for fluid transport |
| 137 | GB/T 21832.3-2024 | Welded austenitic-ferritic(duplex) stainless steel tubes and pipes—Part 3: Pipes for oil and gas transmission |
| 138 | GB/T 21833.1-2020 | Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1: Tubes for heat exchanger |
| 139 | GB/T 21833.2-2020 | Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2: Pipes for fluid service |
| 140 | GB/T 21833.3-2024 | Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 3:Pipes for oil and gas transmission |
| 141 | GB/T 24187-2023 | Cold-drawn precision single welded steel tubes |
| 142 | GB/T 24512.1-2009 | Seamless steel tubes and pipes for nuclear power plant – Part 1: Carbon steel seamless tubes and pipes |
| 143 | GB/T 24512.2-2009 | Seamless steel tubes and pipes for nuclear power plant – Part 2: Alloy steel seamless tubes and pipes |
| 144 | GB/T 24512.3-2014 | Seamless steel tubes and pipes for nuclear power plant ― Part 3：Seamless stainless steel tubes and pipes |
| 145 | GB/T 24591-2019 | Seamless steel tubes for high pressure feedwater heater |
| 146 | GB/T 24592-2009 | High pressure alloy steel tubes for polyethylene service |
| 147 | GB/T 24593-2018 | Welded austenitic stainless steel tubes for boiler and heat exchanger |
| 148 | GB/T 24593-2018 | Welded austenitic stainless steel tubes for boiler and heat exchanger |
| 149 | GB/T 25020.2-2016 | Steel pole for overhead contact system of electrified railways—Part 2：Square steel tube pole |
| 150 | GB/T 25822-2010 | Shaped and round seamless steel tubes for axle |
| 151 | GB/T 26500-2011 | General technical specification for pipes and fittings lined with fluoroplastics |
| 152 | GB/T 26500-2025 | Structure, main size and basic parameters of steel pipes and fitting lined with plastic |
| 153 | GB/T 28413-2012 | Welded carbon steel tubes for boilers and heat exchangers |
| 154 | GB/T 28883-2012 | Composite seamless steel tubes for pressure |
| 155 | GB/T 28884-2024 | Seamless steel tubes for large capacity gas cylinder |
| 156 | GB/T 28897-2021 | Steel-plastic compound pipes and fittings for fluid service |
| 157 | GB/T 30062-2013 | Terminology of steel pipes and tubes |
| 158 | GB/T 30063-2013 | Longitudinal submerged arc welded steel tubes for structural purpose |
| 159 | GB/T 30065-2013 | Welded ferritic stainless steel tubes for feedwater heater |
| 160 | GB/T 30066-2013 | Welded ferritic stainless steel tubes for heat-exchanger and condenser |
| 161 | GB/T 30070-2013 | Seamless alloy steel pipes for seawater service |
| 162 | GB/T 30073-2013 | Seamless austenitic stainless steel tubes for heat exchangers in nuclear power plant |
| 163 | GB/T 30584-2014 | Seamless steel pipes for crane jib |
| 164 | GB/T 30813-2014 | Welded austenitic stainless steel tubes and pipes for nuclear power plant |
| 165 | GB/T 30829-2014 | Shaped and round seamless steel tubes for oil derrick |
| 166 | GB/T 3087-2022 | Seamless steel tubes and pipes for low and medium pressure boiler |
| 167 | GB/T 3089-2020 | Seamless ultra-thin wall stainless steel tubes |
| 168 | GB/T 3090-2020 | Seamless small diameter stainless steel tubes |
| 169 | GB/T 3091—2025 | Welded steel pipes for low pressure fluid delivery |
| 170 | GB/T 3093-2021 | High-pressure seamless steel tubes for diesel engine |
| 171 | GB/T 3094-2012 | Cold drawn shaped steel tubes |
| 172 | GB/T 31315-2014 | Cold drawn or cold rolled precision weld steel tubes for mechanical structures |
| 173 | GB/T 31928-2015 | Seamless stainless steel tubes and pipes for ship |
| 174 | GB/T 31929-2015 | Welded stainless steel pipes for ship |
| 175 | GB/T 31937-2015 | SAWL steel pipe for pipeline of coal slurry |
| 176 | GB/T 31940-2025 | Bi-metal composite steel pipes for fluid transportation |
| 177 | GB/T 31941-2015 | Non-nuclear safety class welded carbon steel and alloy steel pipes for nuclear power plant |
| 178 | GB/T 32569-2016 | Welded stainless steel tubes for seawater desalination plants |
| 179 | GB/T 32957-2016 | Cold-drawn or cold-rolled precision inside diameter seamless steel tubes for hydraulic and pneumatic system service |
| 180 | GB/T 32958-2016 | Stainless steel clad pipes for fluid transport |
| 181 | GB/T 32964-2016 | Welded stainless steel pipes for liquefied natural gas |
| 182 | GB/T 32970-2016 | Longitudinal submerged-arc welded steel pipe for high pressure service at high temperatures |
| 183 | GB/T 33156-2016 | Precision welded tubes for gas spring |
| 184 | GB/T 33167-2016 | Seamless stainless steel tubes and pipes for industrial furnace of petroleum and chemical hydrogenation unit |
| 185 | GB/T 33821-2017 | Seamless steel tubes for automobile stabilizer bar |
| 186 | GB/T 33966-2017 | Seamless abrasion-resistant steel pipes for mortar service |
| 187 | GB/T 34020.1-2017 | Double wall copper-brazed steel tubes—Part 1:Tubing system for refrigerator |
| 188 | GB/T 34020.2-2017 | Double wall copper-brazed steel tubes—Part 2:Tubing system for automobiles |
| 189 | GB/T 34020.3-2017 | Double wall copper-brazed steel tubes—Part 3: Tubing system for air conditioner and refrigeration |
| 190 | GB/T 34105-2017 | Seamless steel tubes for ocean engineering structures |
| 191 | GB/T 34107-2017 | Seamless precision stainless steel pipes for rail transit vehicle braking system |
| 192 | GB/T 34109-2017 | Seamless steel tubes for drill rod of rotary digging machine |
| 193 | GB/T 34201-2017 | Seamless hot-rolled square and rectangular steel tubes for structure |
| 194 | GB/T 34567-2017 | Cold-formed corrugated steel pipes |
| 195 | GB/T 35185-2017 | Composite reinforced line pipe for the petroleum and natural gas industry |
| 196 | GB/T 3639 | Seamless cold-drawn or cold-rolled steel tubes for precision applications |
| 197 | GB/T 3639-2021 | Seamless cold-drawn or cold-rolled steel tubes for precision applications |
| 198 | GB/T 37577-2019 | Welded large diameter steel pipes for low-temperature-service piping |
| 199 | GB/T 37578-2019 | Urea grade ultra-low carbon austenitic seamless stainless steel tubes and pipes |
| 200 | GB/T 37636-2019 | Welded steel pipes for offshore engineering pile |
| 201 | GB/T 37701-2019 | Corrosion resistant alloy clad or lined steel pipe for petroleum and natural gas industries |
| 202 | GB/T 38810-2020 | Seamless stainless steel pipes for liquefied natural gas |
| 203 | GB/T 40297-2021 | Seamless austenitic stainless steel pipes for high pressure hydrogenation unit |
| 204 | GB/T 40316-2021 | Welded high strength shaped and round steel tubes for automobile structure |
| 205 | GB/T 40317-2021 | Seamless stainless steel pipes for oxygen pipeline |
| 206 | GB/T 41354-2022 | Hydraulic fluid power—Plain-end,seamless and welded precision steel tubes—Dimensions and nominal working pressures |
| 207 | GB/T 42541 | Coated steel pipes for gas piping |
| 208 | GB/T 42675-2023 | Welded antibacterial stainless steel pipes and fittings |
| 209 | GB/T 43105-2023 | Seamless steel tubes for hydroformed part |
| 210 | GB/T 43107-2023 | Seamless stainless steel tubes for instrumentation pressure connecting for nuclear power plants |
| 211 | GB/T 43898-2024 | Seamless precision steel tubes for engineering machinery hydraulic cylinder |
| 212 | GB/T 45779-2025 | Welded shaped steel tubes for structure |
| 213 | GB/T 45781-2025 | Seamless steel tubes for mechanical structures |
| 214 | GB/T 5117-2012 | Covered electrodes for manual metal arc welding of non-alloy and fine grain steels |
| 215 | GB/T 5310-2023 | Seamless steel tubes and pipes for high pressure boiler |
| 216 | GB/T 5312-2025 | Seamless steel tubes and pipes for ship |
| 217 | GB/T 5312-2025 | Seamless steel tubes and pipes for ship |
| 218 | GB/T 6479-2013 | Seamless steel tubes for high-pressure chemical fertilizer equipments |
| 219 | GB/T 6728 | Cold forming hollow sectional steel for general structure |
| 220 | GB/T 8162 | Seamless steel tubes for structural purposes |
| 221 | GB/T 8163-2018 | Seamless steel pipes for liquid service |
| 222 | GB/T 9711 | Petroleum and natural gas industries—Steel pipe for pipeline transportation systems |
| 223 | GB/T 9808-2023 | Seamless steel tubes for drilling |
| 224 | GB/T 983-2012 | Welding consumables — Covered electrodes for manual metal arc welding of stainless and heat-resisting steels – Classifications, MOD |
| 225 | GB/T 9948-2013 | Seamless steel tubes for petroleum cracking |
| 226 | GB/T 9948-2025 | Seamless steel tubes and pipes for petrochemical and chemical facilities |
| 227 | GB/T12459-2017 | Steel Buttwelding Pipe Fittings – Types and Parameters |
| 228 | GB/T13401-2017 | Steel Buttwelding Pipe Fittings – Technical Specifications |
| 229 | GB/T17395—2024 | Dimensions,shapes,masses and tolerances of steel tubes |
| 230 | GB/T5135.20 | Automatics prinkler system—Part20: Coating steel pipe |
| 231 | IEC 60981:2019 | Extra heavy-duty electrical rigid steel conduits |
| 232 | ISO 10763 | Hydraulic fluid power — Plain-end, seamless and welded precision steel tubes — Dimensions and nominal working pressures |
| 233 | ISO 11960 | Petroleum and natural gasindustries -Steel pipes for use ascasing or tubing for wells |
| 234 | ISO 21809-1 | Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) |
| 235 | ISO 21809-11:2019 | Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems Part 11: Coatings for in-field application, coating repairs and rehabilitation |
| 236 | ISO 21809-2:2014 | Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 2: Single layer fusion-bonded epoxy coatings |
| 237 | ISO 21809-3:2016 | Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 3: Field joint coatings |
| 238 | ISO 21809-4:2009 | Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 4: Polyethylene coatings (2-layer PE) |
| 239 | ISO 21809-5:2017 | Petroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 5: External concrete coatings |
| 240 | ISO 2560:2020 | Welding consumables — Covered electrodes for manual metal arc welding of non-alloy and fine grain steels — Classification |
| 241 | ISO 3074 | Steel tubes for automotive purposes specification |
| 242 | ISO 3183 | Petroleum and natural gas industries — Steel pipe for pipeline transportation systems |
| 243 | ISO 3581 | Welding consumables |
| 244 | ISO 4200 | Plain end steel tubes, welded and seamless |
| 245 | ISO 559 | Steel tubes for water and sewage 作废 |
| 246 | ISO 65 | Carbon steel tubes |
| 247 | ISO 8535 | Diesel engines-Steel tubes for high-pressure fuel injection pipes – Part 1: Requirements for seamless cold-drawn single wall tubes |
| 248 | JIS C 8305:1999 | Rigid steel conduits |
| 249 | JIS G3429 | Seamless steel pipe for high pressure gas container |
| 250 | JIS G3429 | Seamless Steel Tubes for High Pressure Gas Cylinder |
| 251 | JIS G3441 | Alloy steel tubes for machine purposes |
| 252 | JIS G3444 | Carbon steel tubes for general structure |
| 253 | JIS G3445 | Carbon steel tubes for machine structure purposes |
| 254 | JIS G3452 | Carbon steel pipes for ordinary piping |
| 255 | JIS G3454 | Carbon steel pipes for pressure service |
| 256 | JIS G3455 | Carbon Steel Pipe for Pressure Service |
| 257 | JIS G3456 | Carbon steel pipes for high temperature |
| 258 | JIS G3458 | Alloy Steel Pipes |
| 259 | JIS G3459 | Stainless steel pipes |
| 260 | JIS G3460 | Steel Pipes for Low Temperature Service |
| 261 | JIS G3461 | Carbon steel boiler and heat exchanger tubes |
| 262 | JIS G3462 | Alloy steel boiler and heat exchanger tubes |
| 263 | JIS G3463 | Stainless steel tubes for boiler and heat exchanger |
| 264 | JIS G3464 | Steel Heat Exchanger Tubes for Low Temperature Service |
| 265 | JIS G3465 | Seamless Steel Tubes for Drilling |
| 266 | JIS G3466 | Carbon steel Square for general structural purposes |
| 267 | JIS G3467 | Steel Tubes for Fired Heater |
| 268 | JIS G3472 | Electric Resistance Welded Carbon Steel Tubes for Automobile Structural Purposes |
| 269 | JIS G3473 | Carbon Steel Tubes Cylinder Barrels |
| 270 | JIS G3474 | High Tensile Strength Steel Tubes for Tower Structural Purposes |
| 271 | JIS G3478 | Carbon steel tubes for general machine structural purposes |
| 272 | JIS G4051 | Carbon steel for Machine Structural Use |
| 273 | JIS G4805 | Seamless Pipe High Carbon Chromium Bearing Steel Pipe |
| 274 | JlS G3465 | Seamless steel pipe for drilling |
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