Stainless Steel 317L is molybdenum bearing austenitic stainless steel similar to 316, but with higher molybdenum alloy content. It is also known as UNS S31700, and is primarily comprised of 18% to 20% chromium and 11% to 15% nickel.
Stainless Steel 317L offers higher creep, stress-to-rupture, and tensile strength at elevated temperatures than conventional stainless steels. It is a low carbon grade which provides resistance to sensitization during welding and other thermal processes.
wilsonpipeline is a leading manufacturer and supplier of stainless steel 317L tube, pipe, fittings, flanges, bars, fasteners, castings and others.
Stainless Steel 317L has excellent corrosion resistance and is used mainly in high acidic chloride media, such as those encountered in pulp and paper mills.
Stainless Steel 317L pipes, tubes, bar, fittings, flanges are primarily used in manufacturing flue gas desulfurization systems, textile equipment, chemical and petro-chemical processing equipment, pulp and paper plants, food processing equipment and textile equipment. We specialize in supply of 317L seamless Stainless Steel pipes and tubes, along with equivalent fittings for manufacture of heat exchangers, piping systems, tanks and pressure vessels.
Stainless Steel 317L Specifications
317L Seamless & Welded Stainless Steel Pipe and Tubes: ASTM A312, ASTM A213, ASTM A249
317L Butt-weld Stainless Steel Fittings & 317L Stainless Steel Flanges: ASTM A403, ASTM A182
317L Stainless Steel Forgings: ASTM A182
Stainless Steel 317L Chemical Composition, %
C
Mn
Si
P
S
Cr
Ni
Mo
N
0.03 max.
2.00 max.
0.75 max.
0.045 max.
0.03 max.
18.0 – 20.0
11.0-15.0
3.0 – 4.0
0.10
Physical & Mechanical Properties of Stainless Steel 317L
317L
Density
7.92
Melting Range,℃
1450
Elongation %
40
Tensile Strength (Mpa)
515
205
Hardness (Brinell)
217
* Technical specifications included herein should be used as a guideline only
Stainless Steel 317L Pipes, Tubes / Tubing, and Butt Weld Fittings
317L stainless steel pipes and 317L stainless steel tubes are available in both seamless and welded form in OD and NB sizes. In addition to standard sizes, which are available in stock, our specialty is to manufacture and supply custom size 317L cold drawn seamless tubes from our factory.
317L stainless steel pipes and 317L stainless steel tubes can be offered in random lengths of up to 6 meters long or cut to a specific length as ordered. We also offer a complete range of stainless steel 317L grade butt weld fittings including 317L elbow, 317L bends, 317L tees, reducers and caps.
Stainless Steel 317L Seamless, Welded Pipe/ Tube, and Fittings DimensionsOut diameterWall thicknessLength317L Pipe NB Sizes1/4 “ ~ 16”SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160Upto 6 Meters317L Butt Weld Fittings NB Sizes1/2″ ~ 12”SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160–317L Seamless Pipes (Custom Sizes)5.0mm ~ 203.2mmAs per requirementUpto 6 Meters317L Welded Pipes (in Stock + Custom Sizes)5.0mm ~ 1219.2mm1.0 ~ 15.0 mmUpto 6 Meters
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