1.4057 ìs most commonly used in applications where the 12% chromium steels do not exhibit sufficent resistance to corrosion or when the toughness of the 12% martensitic stainless steels is not sufficient.
| W.Nr. 1.4057 | BS 431S29 | SIS 2321 |
| AISI 431 | AFNOR Z15CN16-02 | JIS SUS431 |
| X17CrNi16-2 | DIN 17740 1.4057 |
C 0,12 - 0,22 Cr 15,00 - 17,00 Ni 1,50 - 2.50


1.4057 - AISI 431 Forgings
1.4057 - AISI 431 Blocks / flat, sawn from forged primematerial
Sizes on request.
1.4057 - AISI 431 square bars hotrolled and pickled tolerance DIN EN 10059 ( formerly DIN 1014 ) long 4-6 mtr.
Sizes:
| 40,00 mm | 60,00 mm | 90,00 mm |
| 50,00 mm | 80,00 mm | 100,00 mm |
1.4057 - AISI 431 hexagon bars brightdrawn tolerance h11 DIN EN 10278 ( formerly DIN 176 ) long 3 mtr.
1.4057 - AISI 431 hexagon bar Sizes:
| sw 11 mm | sw 19 mm | sw 27 mm | sw 36 mm |
| sw 13 mm | sw 22 mm | sw 30 mm | sw 41 mm |
| sw 17 mm | sw 24 mm | sw 32 mm |
1.4057 - AISI 431 flat bars hotrolled and pickled tolerance DIN EN 10058 ( formerly DIN 1017 ) long 4-6 mtr.
1.4057 - AISI 431 Flat bar Sizes:
| 30 x 20 mm | 50 x 8 mm | 50 x 30 mm | 80 x 25 mm |
| 40 x 20 mm | 50 x 10 mm | 60 x 20 mm | |
| 40 x 30 mm | 50 x 20 mm | 80 x 20 mm |
Applications
Construction
Ship building
Machine engineering
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