... '' Standard: ASTMA234, ANSI B16.9/B16.28/B16.25,JIS B2311, DIN 2617 Certificate: ISO 9001, SGS, BV, etc. Typeblack pipe fittings ANSI B16.9 Pipe Size1/2 ... ,SCH140,SCH160,XXS, DIN, JIS standard thicknessStandardASTMA234,ASTM A420,ANSI B16.9/B16.28/B16.25,ASME B16.9,JIS B2311-1997/2312, JIS B2311/B2312, DIN 2605 ... Pipe Co.,LtdContact:echo sales @ honrypipe.com black pipe fittings ANSI B16.9