Specifications

we are specialized in making seamless square steel pipe and the steel grade is Q345B,STKR490,ST52,ASTM A500 and so on.

1)      commodity name:seamless square steel pipe

2)      process method:cold rolled/cold formed

3)      surface finish:annealed/ nomal temperature

4)      steel grade:Q345B/C/D,ASTM A500B/C,SS355JR,SS355J2H ,ST37,ST44,ST52 and so on

5)      standards:GB/T3094-2000,ASTM A500,SS490,EN10210,EN10219 and so on

6)      size:150*150*mm

7)      wall thickness:16mm

8)      length:less than 13m

9)      advantages:big outside,thick,seamless,high accuarcy and so on

10) use: Construction,making machinery,ship building

Windows of model steel door,building material,fence,heating

Facilities ,airport structure and so on

10)   quality certificaiton:CE,CCS,ISO9001

11)   Tel:0086 13283252969