Stainless Steel 347 Manufacturer & Supplier
Columbium/niobium-stabilized grade providing excellent resistance to intergranular corrosion.
UNS: S34700 | Category: Austenitic Stainless Steel
SS 347 — Also Known As
SS 347 is also commonly known as SS 347, 347 SS, Stainless Steel 347, S34700, UNS S34700, 347 stainless steel, aisi 347, type 347, x6crnint18-10.
SS 347 — Applicable Standards & Specifications
SS 347 is commonly supplied to ASME SA312, ASTM A213, ASME SA213, ASTM A269, ASME SA269, ASTM A511, ASME SA511, EN 10216-5, DIN 17456.
Chemical Composition (%)
| C | Cr | Ni | Nb |
|---|---|---|---|
| 0.08 max | 17.0-19.0 | 9.0-13.0 | 10xC min |
Mechanical Properties
- Tensile Strength
- 515 MPa min
- Yield Strength
- 205 MPa min
- Elongation
- 40% min
Applicable Standards
- ASTM A240
- SA 240
- ASTM A312
Applications
- Refinery Equipment
- Heat Exchangers
- High-Temperature Service