Reducing Elbow
    ANSI B16.9
    2 up to 12” N.B.   SCH20 to SCH
    XS thickness
    Carbon steel:
    ASTM/ASME SA234 WPB, WPC,
    WPL6
    Alloy steel:
    ASTM/ASME SA234 WP5, WP9, WP11,
    WP12, WP22, WP91