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CoryPad (Materials) 11 Feb 03 11:13
The two grades are similar but not identical. Here is a summary of the differences:
WCB has 0.30% max C concentration, 1.00% max Mn concentration, and 36 ksi/250 MPa yield strength.
WCC has 0.25% max C concentration, 1.20% max Mn concentration, and 40 ksi/275 MPa yield strength.
AnneRO (Materials) 18 Feb 03 3:48
A quick addition is that when WCB is required WCC is always an acceptable alternative but unfortunatley not the other way round. The properties of WCC are superior to WCB.
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