Grade KmTBCr12
Corresponding Standard GB /T 8263-1999
Abrasion-Resistant White Iron Castings
Classification cast Iron
KmTBCr12 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 2 - - - - 11 - - -
Maximum Value 3.3 1.5 2 0.1 0.06 14 2.5 1.2 3
KmTBCr12 Mechanical Properties
form Heat Treatment or Condition
Hardness
HBW
Casting Casting Condition or Casting + Stress Relieving HRC ≥46
HB ≥450
Casting Hardened Condition or Hardened + Stress Relieving HRC ≥56
HB ≥600
Casting Soft Annealed Condition HRC ≥41
HB ≤400

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