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Home Material ASTM A 756-1994(R2001)
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Grade A756 440C MOD
Corresponding Standard ASTM A 756-1994(R2001)
Standard Specification for Stainless Anti-Friction Bearing Steel
Classification Bearing Steel
Properties High Hardness Corrosion Resistance Fatigue Resistance
A756 440C MOD Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 1 0.2 0.3 - - 13 - - 3.75
Maximum Value 1.1 1 1 0.025 0.025 15 0.75 0.5 4.25
A756 440C MOD 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

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