AISI 440A Cold Drawn Stainless Steel Wires, Rods, Round Bars
AISI 440A Cold Drawn Stainless Steel Wires, Rods, Round Bars
High carbon martensitic stainless steel grade 440A provides excellent hardness,
it has moderate corrosion resistance, recommended hardness 55~57 HRC,
particularly used for pivot pins, dental and surgical instruments, valve parts.
| Grade | C | Cr | Mo |
| 440A | 0.60~0.75 | 16.00~18.00 | 0.75 max |
Heat treatment
Hardening
Preheat to 1400/1500°F ( 760/816°C ), then heat to 1850/1950°F ( 1010/1066°C ), soak,
quench in warm oil or cool in air, do not overheat, when overheated, full hardness can not be obtained.
Tempering
Hardness of approximately rockwell C 56/57 will be obtained on this steel, to remove peak stresses
and yet retain max. hardness temper at least one hour 300/350°F ( 148/176°F ).
Forms available
440A Stainless steel wires, rods, round bars
For Details, please Contact
WUXI GUANGLU Special Steel Co., Ltd.
Stainless martensitic • precipitation hardening steel • stainless ferritic — Our answer to your needs
Tel: +86 510 81812873
Email: export@guanglusteel.com
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