317L Stainless Steel Plate Manufacturer & Supplier
317L raises molybdenum to 3-4% and nickel to 11-15%, giving materially better pitting and crevice resistance than 316L in strong chloride and dilute sulphuric service — the usual step up when 316L is pitting but duplex is not wanted.
UNS: S31703 | Category: Austenitic Stainless Steel
Size Range
Outer Diameter: Thickness 3 - 80 mm · Width 1000-3000 mm · Length 2000-12000 mm
Wall Thickness: 3 - 80 mm
Chemical Composition (%)
| C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|
| 0.030 max | 1.00 max | 2.00 max | 0.045 max | 0.030 max | 18.00-20.00 | 11.00-15.00 | 3.00-4.00 |
Mechanical Properties
- Yield Strength Rp0.2
- 205 MPa min
- Tensile Strength Rm
- 515 MPa min
- Elongation A5
- 40% min
- Hardness
- 217 HB max
Applicable Standards
- ASTM A240 / ASME SA240 (plate, sheet, strip)
- ASTM A480 (general requirements)
- EN 10088-2 (corrosion resisting sheet & plate)
- EN 10028-7 (pressure purposes)
- JIS G4304 / G4305
- EN 10204 3.1 certification
Applications
- Flue gas desulphurisation equipment
- Pulp & paper bleach plant
- Chemical process vessels
- Scrubbers & absorbers
- Condensers
Industries Served
- Chemical & Petrochemical
- Pulp & Paper
- Power & Energy
- Water & Desalination
Equivalent Grades
- EN
- 1.4438 / X2CrNiMo18-15-4
- JIS
- SUS 317L