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Home > Forums > Engineering Codes, Standards & Certifications > Engineering Codes, Standards & Certifications > ASTM (testing materials) Code Issues Forum

ASTM A216 Materials?Helpful Member! 

thread177-45411
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bruce999 (Mechanical)
11 Feb 03 10:00
Coudl some one tell me if WCC and WCB variations of A216 are equal?    I have a customer that is requesting WCC materials, and my supplier is offering WCB for my pressure releif vlave offering!

Bruce
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.
Helpful Member!  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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