Grade BW3
Corresponding Standard BS 3100-1991
Specification for Steel Castings for General Engineering Purposes
Classification Cast Steel
BW3 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo
Minimum Value 0.45 - 0.5 - - 0.8 -
Maximum Value 0.6 0.75 1 0.04 0.04 1.5 0.4
BW3 Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
A or AH+T or OQ+T or WQ+T ≥293

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