Pipe Fittings Size: 1/2''-72'' Standard:ASTMA234, ANSI B16.9/B16.28/B16.25,JIS B2311, DIN 2617 Certificate:ISO 9001, SGS, BV Sch160 Pipe Fittings1. Specification TypePipe FittingsPipe Size1/2"—72" Wall ThicknessSCH10,SCH20,SCH30,STD,SCH40,SCH60,XS,SCH80,SCH100,SCH120,SCH140,SCH160,XXS, DIN, JIS standard thicknessStandardASTMA234,ASTM A420,ANSI B16.9/B16.28/B16.25,ASME B16.9,JIS B2311-1997/2312, ...