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| Application: | Chemical Industry, Oil and Gas Industry, Chemical Industry, Oil and Gas Industry, Chemical Industry, Oil and Gas Industry |
| Certification: | ISO9001, ISO9001, ISO9001 |
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316L Stainless Steel Pipe, SS 316L Pipe, ASTM A312 TP316L Stainless Steel Pipe, ASTM A312 TP316L Pipe, ASME SA312 UNS S31603 Pipes, Stainless Steel SUS 316L Pipe, DIN 1.4404 Stainless Steel Pipes, DIN 1.4435 Pipes, SS 316L Seamless Pipe, Stainless Steel 316L Welded Pipe, ASTM A312 UNS S31603 ERW Pipe, TP316L Stainless Steel Exhaust Pipe, Stainless Steel 316L Pipe Sizes, SS 316L SCH 10 Pipe, SS 316L SCH 40 Pipe, 316L Stainless Round Pipe, 316L Stainless Steel Pipe Price, 316L Stainless Steel Pipe Manufactures
316L stainless steel pipe is composed of austenitic stainless steel, its composition contains chromium, nickel and molybdenum, and 0.035% carbon content. The low carbon content of SS 316L pipe makes it resistant to intergranular corrosion and easier for welding applications. Due to the molybdenum contained in it, ASTM A312 TP316L stainless steel pipe has a low corrosion rate in environments rich in chloride ions. Stainless steel 316L pipes are available in SS 316L seamless pipe and stainless steel 316L welded pipe, seamless pipes are perforated from billets, SS 316L ERW pipes are made by welding one sheet from end to end or by spiral welding strips.
ASTM A312 TP316L Stainless Steel Pipe Specifications
| Specifications | ASTM A 312 / ASME SA 312 |
| Dimensions | ASTM, ASME and API |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Size | 1/8″NB TO 30″NB IN |
| Schedule | SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH60, SCH80, XS, SCH100, SCH120, SCH140, SCH160, XXS |
| SS 316L Pipes | 1/2″ NB - 16″ NB |
| ERW 316L Pipes | 1/2″ NB - 24″ NB |
| EFW 316L Pipes | 6″ NB - 100″ NB |
| Length | Single Random, Double Random , Cut Length. |
| End | Plain End, Beveled End, Treaded |
| Form | Round, Square, Rectangular, Hydraulic Etc |
Dimension Chart of Schedule 10S Pipe(ASME B36.19)
| Nominal size [inches] | Outside diameter [in] | Outside diameter [mm] | Wall thickness [in] | Wall thickness [mm] | Weight [lb/ft] | Weight [kg/m] |
| 1/2 | 0.84 | 21.3 | 0.083 | 2.11 | 0.68 | 1 |
| 3/4 | 1.05 | 26.7 | 0.083 | 2.11 | 0.87 | 1.29 |
| 1 | 1.315 | 33.4 | 0.109 | 2.77 | 1.41 | 2.11 |
| 1 1/4 | 1.66 | 42.2 | 0.109 | 2.77 | 1.82 | 2.71 |
| 1 1/2 | 1.9 | 48.3 | 0.109 | 2.77 | 2.1 | 3.13 |
| 2 | 2.375 | 60.3 | 0.109 | 2.77 | 2.66 | 3.96 |
| 2 1/2 | 2.875 | 73 | 0.12 | 3.05 | 3.56 | 5.29 |
| 3 | 3.5 | 88.9 | 0.12 | 3.05 | 4.37 | 6.5 |
| 3 1/2 | 4 | 101.6 | 0.12 | 3.05 | 5.01 | 7.46 |
| 4 | 4.5 | 114.3 | 0.12 | 3.05 | 5.66 | 8.42 |
| 5 | 5.563 | 141.3 | 0.134 | 3.4 | 7.82 | 11.64 |
| 6 | 6.625 | 168.3 | 0.134 | 3.4 | 9.35 | 13.91 |
| 8 | 8.625 | 219.1 | 0.148 | 3.76 | 13.5 | 20.1 |
| 10 | 10.75 | 273.1 | 0.165 | 4.19 | 18.79 | 27.96 |
| 12 | 12.75 | 323.9 | 0.18 | 4.57 | 24.34 | 36.22 |
| 14 | 14 | 355.6 | 0.188 | 4.78 | 27.97 | 41.62 |
| 16 | 16 | 406.4 | 0.188 | 4.78 | 32.02 | 47.65 |
| 18 | 18 | 457 | 0.188 | 4.78 | 36.05 | 53.65 |
| 20 | 20 | 508 | 0.218 | 5.54 | 46.42 | 69.09 |
| 22 | 22 | 559 | 0.218 | 5.54 | 51.14 | 76.1 |
| 24 | 24 | 610 | 0.25 | 6.35 | 63.93 | 95.13 |
| 30 | 30 | 762 | 0.312 | 7.92 | 99.6 | 148.22 |
ASTM A312 UNS S31603 ERW pipe has higher absolute roughness than seamless pipe and lower dimensional accuracy. 316L stainless steel seamless pipe is used for applications with higher dimensional accuracy. Seamless tubing ranges from ½" to 16". Stainless steel 316L welded pipe ranging from ½ inch to 24 inches, and electric fusion welded pipe ranging from 6 inches to 100 inches. Please feel free to contact us for more information about ASME SA312 UNS S31603 pipe and price.
Both 316L and 316 stainless steel are molybdenum-containing stainless steels. The molybdenum content of ASTM A312 TP316L pipe is slightly higher than that of 316 stainless steel. Due to the molybdenum in the steel, the overall performance of this steel is better than that of 304 stainless steel. Under high temperature conditions, when the concentration of sulfuric acid is lower than 15% and higher than 85%, it has higher resistance to pitting and crevice corrosion in chloride environments. DIN 1.4404 stainless steel pipes have a wide range of uses and are often used in marine environments.
The corrosion resistance of austenitic stainless steel comes from the protective chromium oxide layer formed on the metal surface. If the material is heated to a high temperature of 450°C to 900°C, the structure of the material changes and chromium carbides form along the crystal edges. In this way, a protective layer of chromium oxide cannot be formed at the edge of the crystal, resulting in reduced corrosion resistance. This corrosion is called "intergranular corrosion". As a low-carbon series of 316 steel, DIN 1.4435 pipes has the same characteristics as 316 steel, and its resistance to intergranular corrosion is excellent. The maximum carbon content of 316L stainless steel is 0.035%, while the maximum carbon content of 316 is 0.08%. The carbon content of 316L stainless round pipe is low, so the precipitation of chromium carbide is reduced during welding, and intergranular corrosion will not occur.
Stainless Steel 316L Pipes Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Chemical Composition of ASME SA312 UNS S31603 Pipes
| UNS | C | Mn | P | S | Si | Cr | Ni | Mo |
| Carbon | Manganese | Phosphorous | Sulfur | Silicon | Chromium | Nickel | Molybdenum | |
| SS 316L | 0.035 max | 2.00 max | 0.045 max | 0.030 max | 1.00 max | 16.0-18.0 | 10.0-18.0 | 2.00-3.00 |
DIN 1.4404 Stainless Steel Pipes Mechanical Properties
| Element | SS 316L | |
| Tensile Strength | Psi - 75000 , MPa - 485 | |
| Yield Strength (0.2%Offset) | Psi - 30000 , MPa - 170 | |
| Elongation | 35% | |
|
Hardness |
Rockwell B (HR B) max | 95 |
| Brinell (HB) max | 217 | |
316L Stainless Steel Pipe Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/°C) | Thermal Conductivity (W/m.K) | Specific Heat 0-100°C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 316L | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
316 Stainless Steel Pipe Detection and Testing
HT PIPE is a well-known 316L stainless steel pipe manufacturers. During the production process of SS 316L SCH 10 pipe, various inspections and tests are carried out according to the standard specification (ASTM A312) to ensure that the quality of stainless steel 316L pipe meets the requirements. Routine tests include: hardness test, flattening test, pitting corrosion resistance test, chemical analysis-spectral analysis, microscopic and macroscopic testing, flaring test, intergranular corrosion (IGC) test, regional tensile and other mechanical tests, material reliability identification - PMI testing and more. In order to ensure the corrosion resistance of SS 316L SCH 40 pipe, surface treatment is also carried out, such as: chemical spraying, electrochemical polishing, appearance electrophoresis, etc. Please feel free to contact us for 316L stainless steel pipe price and more information.
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