317L STAINLESS STEEL
UNS S31703
Forms of 317L Stainless Steel Available
• Sheet
• Plate
• Bar
• Pipe & Tube (welded & seamless)
• Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
• Welding Wire and Welding Electrode
317L Stainless Steel Overview
317L is a molybdenum bearing, low carbon content "L" grade austenitic stainless steel that provides improved corrosion resistance over 304L and 316L stainless steels. The low carbon provides resistance to sensitization during welding and other thermal processes.
Chemical Composition, %
Ni
|
Cr
|
Mo
|
Mn
|
Si
|
11.0 - 15.0
|
18.0 - 20.0
|
3.0 - 4.0
|
2.0 Max
|
.75 Max
|
C
|
N
|
S
|
P
|
Fe
|
0.03 Max
|
0.1 Max
|
0.03 Max
|
0.045 Max
|
Balance
|
ASTM Specifications
Pipe Smls
|
Pipe Welded
|
Tube Smls
|
Tube Welded
|
Sheet/Plate
|
Bar
|
Forging
|
Fitting
|
A312
|
A312
|
A213 A269
|
A269 A249
|
A240
|
A276 A484
A479
|
A182
|
A403
|