Specifications

We are specialized in making seamless rectangular steel tube . and the steel grade will be Q345B,SS355,ASTM A500,STKR490,ST52

1)      commodity name:seamless rectangular steel tube

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:100*200mm

7)      wall thickness:20mm

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

11)   quality certificaiton:CE,CCS,ISO9001