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Grade A756 440C
Corresponding Standard ASTM A756-1994(R2001)
Standard Specification for Stainless Anti-Friction Bearing Steel
Classification Bearing Steel
Properties High Hardness Corrosion Resistance Fatigue Resistance
A756 440C Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.95 - - - - 16 - - 0.4
Maximum Value 1.1 1 1 0.025 0.025 18 0.75 0.5 0.65
A756 440C Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Bar, Pipe Hot Rolled and Annealed ≤255
Bar, Coil, Pipe Cold Drawn and Annealed ≤255
Rebars Hot Rolled and Annealed HR
≤25
A756440C Corresponding Standards(Same grade name, different standards)
1 ASTM A756-1994(R2001)
A756 440C
2 ASTM A756-2017
A756 440C 440C

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