| Customization: | Available |
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| After-sales Service: | Supplied |
| Warranty: | 30 Years |
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| Specification: | ASTM A312, ASME SA312, EN10216-5 , GOST9941-91, JIS 3459, DIN17458 | Grade: | TP317L |
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| Type: | Seamless/Welded | Surface: | Pickled And Annealed, Polished, Bright Annealed |
| Non Destructive Test: | Eddy Current Test -ASTM E426, Hystostatic Test-ASTM A999, Ultrsonic Test -ASTM E213 | Size Standard: | ASTM B16.10 & B16.19 & Customized |
| High Light: |
1.4438 Stainless Steel Welded Pipe,TP317L Stainless Steel Welded Pipe,Welded Decorative Stainless Steel Pipe. |
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ASME SA312 TP317L 1.4438 Stainless Steel Welded Pipe High Temperature
TP 317L is a chromium nickel molybdenum alloy that can perform under high temperatures. The alloy is solid solution heated for strength and the pipes are produced through different manufacturing mechanisms. The SA 312 TP 317L products have high yield strengths and can perform well under stress conditions. They have elongation rate higher than 35%.
The 317L is also much corrosion resistance to the sulfur gas attacks at condensation. The lower carbon means that the product could be used with less intergranular corrosion while welding and it reduces the sensitization of the material. Also, high temperature applications with other mild chemicals are possible as well. The material is non-magnetic. The 317L could be used with high concentrations of hydrochloric, sulfuric and other acids under temperatures lower than 38 degrees Celsius.
317L Chemical Composition
| Element | Content (%) |
| Iron, Fe | Balance |
| Chromium, Cr | 18-20 |
| Nickel, Ni | 11-15 |
| Molybdenum, Mo | 3-4 |
| Manganese, Mn | 2 |
| Silicon, Si | 1 |
| Phosphorous, P | 0.045 |
| Carbon, C | 0.03 |
| Sulfur, S | 0.03 |
Stainless Steel 317L Pipes Physical Properties
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 317L | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
Mechanical Properties of TP317L Pipe
| Properties | Metric | Imperial |
| Tensile strength | 595 MPa | 86300 psi |
| Yield strength | 260 MPa | 37700 psi |
| Modulus of elasticity | 200 GPa | 29000 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 55% | 55% |
| Hardness, Rockwell B | 85 | 85 |
DIN 1.4438 / SS 317L Pipe Tolerances
| Stainless Steel 317L Pipe OD | ASTM A312 TP317L Pipe Tolerance |
|---|---|
| 4 to 35mm | +/- 0.08mm |
| 35 to 38mm | +/- 0.15mm |
| 38 to 60mm | +/- 0.20mm |
| 60 and above | +/- 0.25mm |
TP 317L Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 317 | 1.4449 | S31700 | SUS 317 | - |
| SS 317L | 1.4438 | S31703 | SUS 317L | X2CrNiMo18-15-4 |
Applications
The 317L grade austenitic stainless steel is used in a variety of applications such as power plant, paper and pulp processing plants, textile equipment, petrochemical processing plants, food processing plants, flue gas desulfurization scrubbers and in chemical processing plants. This range of applications is possible because the material is malleable and durable. It is also a chromium, nickel and molybdenum alloy.
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