Grade BTMCr8
Corresponding Standard GB /T 8263-2010
Abrasion-Resistangt White Iron Castings
Classification cast Iron
BTMCr8 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 2.1 1.5 - - - 7 - - -
Maximum Value 3.6 2.2 2 0.06 0.06 10 1 1.2 3
BTMCr8 Mechanical Properties
Heat treatment Hardness
HBW
Casting condition or casting stress relief ≥450
Hardened condition or stress relief after hardening ≥600
Soft annealed condition ≤400

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