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Grade 635, corresponding to UNS S17600 in the United States, conforms to the standard ASTM A564/A564M-2019 "Hot-Rolled and Cold-Finished Age-Hardened Stainless Steel Bars and Shapes". It is classified as precipitation-hardening stainless steel, and its properties include corrosion resistance and high strength.
ASTM635 stainless steel corresponding grade
UNS | ASTM | AISI | GB | JIS |
S17600 | 635 | S51778 | 06Cr17Ni7AlTi | SUS635 |
ASTM635 stainless steel corresponding grade
C | Si | S | Cr | Ni | Mn | N | Cu | P | Cb | W | Ti | Mo | Al | |
Minimum | / | / | / | 16 | 6 | / | 0.07 | / | / | / | / | 0.4 | / | / |
Maximum | 0.08 | 1 | 0.03 | 17.5 | 7.5 | 1 | 0.13 | / | 0.04 | / | / | 1.2 | / | 0.4 |
ASTM635 Mechanical Properties of Stainless Steel
Yield strength (MPa) | Tensile strength (Mpa) | Elongation | Hardness |
≥ | ≥ | ≥ | ≥ |
Available Product Forms of ASTM 635
The ASTM 635 stainless steel is available in the following standard - specification materials:
ASTM 635 Sheets and Thin Plates (Refer to strips for cut - to - length dimensions)
Supply condition: Hot - rolled sheets, cold - rolled sheets, solution - treated and pickled.
ASTM 635 Circular Plates or Rings
Supply condition: Hot - rolled or forged materials, solution - treated, pickled or machined.
ASTM 635 Forgings
In addition to circular plates, rings, round bars, and rods, forgings of irregular shapes can also be provided as required.
ASTM 635 Strips
Supply condition: Cold - rolled and annealed, or solution - treated, pickled or bright - annealed.
ASTM 635 Wires
Supply condition: Bright - drawn and bright - annealed.
Specifications: Diameter ranges from Φ0.01 to 12.7 mm, supplied in coils, packed in drums, wound on spools or coiled.
Welding Filler Materials
Welding electrodes in rod, wire, and strip forms with good weldability, as well as electrode core materials, are available in all specifications.
ASTM 635 Seamless and Welded Tubes
Stock inventory: Outer diameter ranges from Φ10 to 520 for tube blanks. Regular specifications are in stock.
ASTM 635 Bars
Supply condition: Forged, rolled, or cold - drawn materials, solution - treated, pickled and machined.
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