Astm a53 welded erw black steel tube
Size10mm-457mm
Wall thickness 0.5mm-20mm
Length1m-12m , by customers requiremnts
Internatioanal standardIso 9000-2001
StandardsAstma53, bs1387-1985, gb/t3091-2001, en39, bs1139
MaterialsQ195, q215, q235, q345
Product categoryMetallurgy, mineral &energy
TechniqueWelded
Packing1.Big od:in bulk
2.Small od:packed by steel strips
3.Woven cloth with 7 slats
4.According to the requirements of customers
UsageMechanical&manufacture, steel strcuture,
Shipbuilding, bridging, automobile chassis
Main marketMiddle east, africa, asia and some uropean country and america , australia
Country of originChina
Productivity20000 metric tons pet month
RemarkPayment terms :T/T , L/C
Terms of trade :fob , cfr, cif ,
Minimum order : 10 tons
Lead time :on or before 20 days .


Addition:
1. Special design available according to clients' requirements.
2. Anti-corrosion and high-temperature resistant with black painting.
3. All the production process are made under the iso9001:2000 strickly.