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  • July 27, 2007 at 2:11 pm #6562
    saqib
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    Can anybody tell me about ASTM A-234 Garde WPB. Patricular about WPB. Whats its abbreviation?
    And also about ASTM A-216 Grade WCB. Same particular about WCB.

    As I know these materials are used for fittings and valves respectively, but Iam not understanding about these grades WPb & WCB.

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