Standard:
China:GB12459-2005
Germany:DIN2605 DIN2606 DIN2615.
Japan:JIS B2311   JIS B2312  JIS B2313.
U.S.A:ASME/ANSI B16.9  A403
Materials:304 304L 316 316L 321 310S ect.
Size:1/2"---48".
Pressure Ratings:Sch10s-Sch10s160.
We supply the pipefittings with good quality and best price,please contact us to know details.