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),

4) Structure:

Welded

5)OD:

0.5-24inch

6)Technique:

Hot rolling or cold drawn

7)Material:

20#

8)Surface:

Oiled or black painted to prevent rust. spray paint

9)Wall thickness

2mm-60mm

10)use

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