1)Standard:

ASTM B36.10,A106, JIS G3452/3454/3455/3457, DIN2448,2458

2)Type

butt welding ,socket welding,forged

3) Size:

Seamless,1/2"--24"(DN15--DN600);welded ,6"-48"(DN150-DN1200), OD:0.5-24inch

4) Structure:

Welded

5)Technique:

Hot rolling or cold drawn

6)Material:

20#

7)Surface:

Oiled or black painted to prevent rust. spray paint

8)use

Widely used in oil,chemical industry,electric power,shipping industry and other pipes projects

9)Wall thickness