butt-welding equal-diameter and reducing-diamater bend standard:GB,ISO,ANSI ,JIS,DIN

butt-welding equal-diameter and reducing-diamater bend 45/90/180 degree seamless an welding standard:GB,ISO,ANSI ,JIS,DIN

1  size:1/2"-72"

2  type : Long-radius or short-radius

3 shape: equal-diameter or reducing diameter

4  thechnics: seamless or welding

5 standard:GB,HGJ,SHJ,SY,DL,ISO,ANSI ,JIS,and DIN

6 wall: STD ,SCH40,SCH80

7 Others: acquire ISO9001 1:2000 certification Since 1999

steel bend