We are specialized in producing both standard and non-standard steel hollow box, including square steel pipe with size from 15*15mm to 600*600and rectangular steel pipes with size from 10*15mm to 400*600mm, which can be black steel pipe or galvanized steel pipes.
We are a manufacturer for BS1387 GB/T3094 Q195-Q235 15*15mm-600*600mm Hot Dipped Galvanized ERW Welded Mild Carbon Steel weight of gi Square pipe.
Surface can be Black, Painted or Galvanized.
All the products supplied by us should be produced strictly according to the standards, such as ASTM A500 BSEN10219 GB/T3094 JIS G3466 BS EN10210 GB/T6728 and some other domestic and international standards to satisfy your various requirements, which is widely applied to the industries of construction, steel structure, natural gas, shipbuilding, chemical, boiler and other relative fields, with the capacity of 300,000MT yearly.
BS1387 GB/T3094 Q195-Q235 15*15mm-600*600mm Hot Dipped Galvanized ERW Welded Mild Carbon Steel weight of gi Square pipe
3)material:Q195 Q235 Q215 Q345 St37 #10 #20 #45
4)Certifications : ISO9001-2000
5)Standard: ASTM BS GB JIS