Specifications

We are specialized in making square steel tube and the size is 30*30-600*600mm ,the material is STKR400,Q235B,ASTM A500,ST37

1)      commodity name: square steel tube

2)      process method:ERW

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:300*300mm

7)      wall thickness:10mm

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

Tel:0086 13283252969