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LINE PIPE : Seamless Steel Line Pipe
Nippon Steel : Seamless Steel Pipe
ISO 9001:2008 Certified Company ( 37 Years Old ) MD Exports LLP is No. 1 Distributor and Dealer of Sumitomo Nippon Steel Pipe
Seamless steel Line Pipe in sizes ranging from 1 to 16 3/4 inches (26 to 426mm) in outer diameter is mass produced at the Wakayama Steel Works by the high toe angle piercing, fully retained bar mandrel mill method, the most advanced technology of its kind in the world.
The hot line fully utilizes technologies that Sumitomo Metals has accumulated through many years of experience and basic research. These industry-leading technologies, many of which we developed, include a process computer, a quality control system employing state-of-the-art inspection and measurement devices, and various advanced automation systems.
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Large-Diameter Welded Steel Pipe
The large-diameter welded pipe is manufactured at the Kashima Steel Works. The steel plates are first bent into U-shapes, formed into round shapes by the O-ing press, and then have their seams submerged-arc welded. With over 90 percent of these large pipes used in energy fields such as oil and natural gas pipelines, reliability is the foremost demanded. Sumitomo Metals is already the global leader in the manufacture of high-purity steel pipe resistant to corrosion from hydrogen sulfide, high-strength heavy wall pipe to withstand high-pressure transport, and other high value-added products.
Nippon Steel Large-Diameter Welded Steel Pipe Specifications
Applicable Specification
| 1. Nippon Steel Line Pipes | ||
| API 5L | Line Pipe (Grade B X42, X46, X52, X56, X60, X65, X70, X80) | |
| BS 3602 | Steel Pipe and Tubes for Pressure Proposes Carbon Steel: High Duties. | |
| DIN 17172 | Stahlrohre fur Fernleitungen fur brennbare Flussingkeiten und Gase( Pipe for cross country pipelines for flammable liquid and gas) | |
| ISO 3183 | Petroleum and Natural Gas Industries – Steel Pipe for Pipelines- | |
| DNV OS-F101 | Submarine Pipeline Systems (Applicable Design Code) | |
| 2. Nippon Steel Pipe for General Uses | ||
| ASTM A134 | Electric Fusion-(Arc) Welded Steel Plate Pipe | |
| ASTM A139 | Electric Fusion-(Arc) Welded Steel Pipe | |
| ASTM A155 | Electric Fusion Welded Steel Pipe for High Temperature Service | |
| ASTM A671 | Electric Fusion Welded Steel Pipe for Atmospheric and Lower Temperature | |
| ASTM A672 | Electric Fusion Welded Steel Pipe for High-Pressure Service and Moderate Temperatures | |
| BS 3601 | Steel Pipe and Tubes for Pressure Proposes Carbon Steel:Ordinary Duties | |
| DIN 1626 | Geschweisste Stahlrohre; Technische Liefebedingungen; (Fusion Welded Steel Pipe;Technical Specification) | |
| JIS G3457 | Electric Arc-Welded Steel Pipe | |
| 3. Nippon Steel Structural Pipe | ||
| ASTM A252 | Welded Pipe Pile | |
| JIS G3444 | Carbon Steel Pipe for General Structural Purposes | |
| JIS A5525 | Steel Pipe Pile | |
| API 2B | Fabricated Structural Steel Pipe | |
Applicable Specification
| 1. Nippon Steel Line Pipes (Carbon Steel) | ||
| API 5L | Line Pipe (Grade B, X42, X46, X52, X56, X60, X65, X70, X80) |
|
| ASTM A53 | Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Seamless | |
| ASTM A106 | Seamless Carbon Steel Pipe for High-Temperature Service | |
| ASTM A333 | Seamless Steel Pipe for Low-Temperature Service | |
| DIN 1629 | Seamless Non-Alloy Steel Tubes | |
| CSA Z245.1-M1982 | Steel Line Pipe | |
| JIS G3454 | Carbon Steel Pipes for Pressure Service (STPG) | |
| JIS G3455 | Carbon Steel Pipes for high Pressure Service (STS) | |
| ISO 3183 | Petroleum and natural gas industries – Steel Pipe for Pipelines- | |
| DNV OS-F101 | Submarine Pipeline Systems (Applicable Design Code) | |
| 2. Nippon Steel Line Pipes (Corrosion Resistant Alloy) | ||
| API 5LC | CRA Line Pipe | |
| ASTM A790 | (S31803) Seamless Ferritic / Austenitic Stainless Steel Pipe | |
| ASTM A790 | (S31260) seamless Ferritic / Austenitic Stainless Steel Pipe | |
| DNV OS-F101 | Submarine Pipeline Systems (Applicable Design Code) | |
Corrosion Resistant Alloy Line Pipes Data ( Nippon Steel & Sumitomo Metals )
1. Chemical Composition
| Material | Chemical Composition (mass%) | |||||||||||||||||||||||||||||||||||||||||
| C | Cr | Ni | Mo | W | Cu | Ti | N | PREW * | ||||||||||||||||||||||||||||||||||
| 13CrS | max. 0.03 | 11.5-13.5 | 4.5-7.0 | 2.0-3.0 | - | - | 0.01-0.50 | - | - | |||||||||||||||||||||||||||||||||
| DP8 (UNS S31803) |
max. 0.03 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | - | - | - | 0.08-0.20 | min. 34 | |||||||||||||||||||||||||||||||||
| DP3W (UNS S39274) |
max. 0.03 | 24.0-26.0 | 6.0-8.0 | 2.5-3.5 | 1.5-2.5 | 0.20-0.80 | - | 0.24-0.32 | min. 40 | |||||||||||||||||||||||||||||||||
2. Mechanical Properties
| Material | Temperature (deg.C) |
Yield
Strength (MPa) |
Tensile
Strength (MPa) |
Hardness (HV) |
| 13CrS | 25 | min. 550 | min. 750 | max. 310HV |
| 100 | min. 540 | min. 690 | - | |
| DP8 (UNS S31803) |
25 | min. 450 | min. 640 | max. 28HRC |
| 100 | min. 380 | min. 575 | - | |
| DP3W (UNS S39274) |
25 | min. 550 | min. 800 | max. 32HRC |
| 100 | min. 480 | min. 725 | - |
3. Thermal Properties
| Material | Temperature (deg.C) |
Young's
Modulus (GPa) |
Coefficient
of Thermal Exp. (10-6/deg.C) |
Specific
Heat (J/kg･.deg.C) |
Specific Gravity |
| 13CrS | 25 | 201 | 10.7 | 448 | 7.79 |
| 100 | 199 | 492 | |||
| 11.1 | |||||
| 200 | 192 | 527 | |||
| DP8 (UNS S31803) |
25 | 203 | 13.4 | 465 | 7.85 |
| 100 | 196 | 494 | |||
| 14.0 | |||||
| 200 | 187 | 525 | |||
| DP3W (UNS S39274) |
25 | 204 | 13.2 | 498 | 7.85 |
| 100 | 199 | 536 | |||
| 13.6 | |||||
| 200 | 191 | 574 | |||
4. Material Selection Guidline
To find out more about our Sumitomo Nippon Steel Pipe, and get more information please fill enquiry form and one of our sales representatives will contact you.
Industry We Serve Inconel Pipe Tube, Monel Pipe Tube, Hastelloy Pipe Tube, Nickel Pipe Tube, Alloy Steel Pipe Tube and Stainless Steel Seamless Pipes Tube Tubing Tuberia Supplied Architectural & General Engineering, Automobiles Industry, Breweries & Distilleries Industry, Cement Industry, Chemicals Industry, Dairy & Food Processing Industry, Fertilizers Industry, Heat Exchangers Industry, Oil Companies, Petrochemicals & Refineries, Power & Nuclear Energy / Atomic Energy, Railway Industry, Ship Building Industry, Solvent & Pulp Industry, Submersible Pumps Industry, Sugar Industry, Textile Machinery & Processing Houses etc..
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