what is mean by WPB & WCB in case of CS mtrl.

From: <chm_mech>
Date: Tue Jul 24 2007 - 12:45:00 EDT

Will anybody tell me what is the full form of "WPB" & "WCB" in case of CS mtrl.

  Say 216 gr.WCB for flanges

      234 gr.WPB for fittings Received on Tue Jul 24 12:45:00 2007

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