AISI 431 EN 1.4057 Stainless Steel Sheet, Plate, Strip And Coil
AISI 431 EN 1.4057 Stainless Steel Sheet, Plate, Strip And Coil
Type 431 is designed to provide improved corrosion resistance and toughness
in a quench hardenable stainless steel.
It has been used for parts such as aircraft fasteners and fittings and should be considered for
structural members exposed to marine atmosphere.
Mechanical properties include excellent toughness (impact strength) at relatively high hardness level.
It offers the best corrosion resistance of the conventional martensitic stainless grades.
Stainless Type 431 has been used for highly stressed aircraft components including fasteners,
bomb racks, bolting, pump shafts, valve stems, etc. It should be considered for applications
requiring the optimum combination of corrosion resistance, hardness and toughness from
approximately -100 to 1200ºF (-73 to 650ºC).
| Grade | C | Si | Mn | P | S | Cr | Ni |
| AISI 431, S43100 | 0.20 | 1.00 | 1.00 | 0.040 | 0.030 | 15.00~17.00 | 1.25~2.50 |
Available forms
431 stainless steel sheet, plate, strip and coil
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