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LORK is a special stainless steel manufacturer with 20 years of manufacturing experience.
317L (UNS S31703) is a molybdenum-bearing austenitic stainless steel with greatly increased resistance to chemical attack as compared to the conventional chromium-nickel austenitic stainless steels such as Alloy 304. In addition, 317L offers higher creep, stress-to-rupture, and tensile strength at elevated temperatures than conventional stainless steels. It is a low carbon or "L" grade which provides resistance to sensitization during welding and other thermal processes.
The low carbon content of 317L enables it to be welded without intergranular corrosion resulting from chromium carbide precipitation enabling it to be used in the as-welded condition. With the addition of nitrogen as a strengthening agent, the alloy can be dual certified as 317 (UNS S31700).
317L is non-magnetic in the annealed condition. It cannot be hardened by heat treatment, however the material will harden due to cold working. 317L can be easily welded and processed by standard shop fabrication practices.
Stainless Steel 317L Applications
▪ Paper and pulp handling equipment
▪ Chemical and petrochemical processing equipment
▪ Condensers in fossil and nuclear fueled power generation stations
▪ Food processing equipment
▪ Textile equipment
Related Grades:
▪ ASTM/ASME: UNS N08020
▪ EURONORM: FeMi35Cr20Cu4Mo2
▪ DIN: 2.4660
Weight % (all values are maxim1720um unless a range is otherwise indicated)
| Cr | 18.0-20.0 | P | 0.045 max |
| Ni | 11.0-15.0 | S | 0.03 max |
| Mo | 3.0-4.0 | Si | 0.75 max |
| C | 0.03 max | N | 0.1 max |
| Mn | 2.0 max | Fe | Balance |
Stainless Steel 317L Mechanical Properties
Values at 68°F (20°C) (minimum values, unless specified)
| 0.2% Offset Yield Strength | Ultimate Tensile Strength | Elongationin 2" | Hardness | ||
| Psi(min) | Mpa | Psi(min) | Mpa | % | Rockwell B |
| 30,000 | 205 | 75,000 | 515 | 40 | 95 |
317L can be easily welded and processed by standard shop fabrication practices.
The alloy is quite ductile and forms easily. The addition of molybdenum and nitrogen implies more powerful processing equipment may be necessary when compared with the standard 304/304L grades.
Working temperatures of 1652 - 2102°F (900 - 1150°C) are recommended for hot working processes. Do not work this alloy below 1742°F (950°C). If the final forming temperature falls below this threshold, a solution anneal of 1976 - 2156°F (1080 - 1180°C) is necessary. Rapid quenching is required.
The cold work hardening rate of 317L makes it less machinable than 410 stainless steel.
Available Sizes And Specifications
| 317L stainless steel pipe sizes and specifications | |
| Grade | 317L |
| Stainless steel seamless pipe | Outside diameter: 4.0 - 1219mm, Thickness: 0.5 -100mm,Length: 24000mm |
| Stainless steel welded pipe | Outside diameter: 6.0 - 2800mm, Thickness: 0.3 -45mm,Length: 18000mm |
| Stainless steel capillary pipe | Outside diameter: 0.4 - 16.0mm, Thickness: 0.1 -2.0mm,Length: 18000mm |
| Stainless steel welded sanitary pipe | Outside diameter:8.0- 850mm, Thickness: 1.0 -6.0mm |
| Stainless steel seamless sanitary pipe | Outside diameter: 6.0- 219mm, Thickness: 1.0 -6.0mm |
| Stainless steel square pipe | Side Length: 4*4 - 300*300mm, Thickness: 0.25 - 8.0mm, Length: 18000mm |
| Stainless steel rectangular pipe | Side Length: 4*6 - 200*400mm, Thickness: 0.25 - 8.0mm, Length: 18000mm |
| Stainless steel coil pipe | Outside diameter: 0.4 - 16mm, Thickness: 0.1 - 2.11mm |
| Standard | American Standard: ASTM A312, ASME SA269, ASTM A269, ASME SA213, ASTM A213 ASTM A511 ASTM A789, ASTM A790, ASTM A376, ASME SA335, B161, SB163, SB338, SB667/668Germany Standard: DIN2462.1-1981, DIN17456-85, DIN17458-85·European Standard: EN10216-5, EN10216-2Japanese Standard: JIS G3463-2006, JISG3459-2012Russian Standard: GOST 9941-81 |
Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .
Q2: Can I have free sample before making orders?
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