Size:1/2"-72"

Varieties:SCH20 SCH40 SCH80 SCH160 SGP STD

Standard:ANSI B16.9/16.28,ASTM,API5L,DIN2605/2615/2616,JIS P2311/2312 ASME B36.10M-1996

Material:ANSI B16.9/16.28,ASTM,API5L,DIN2605/2615/2616,JIS P2311/2312 ASME B36.10M-1996

Surface treatment:black rust-proof oil,hot galvanizing

Special design available