Sell ERW square steel tube

ERW square steel tube You May Also Be Interested In: machine industry square steel tube square tube
Our company has 125, 250, and 400 three square and rectangular production lines, and the yield is 0.3million tons annual year. Our steel tubes are mainly used in environmental protection equipment industry, light machine industry and large-scale architecture filed, such as bridge, gymnasium center and others.
Our products features:
1) Specification: from 50*50 to 400*400MM
2) Thickness:2-12mm
3) Length:6-16m
4) Trademark:Q235, Q345, Q195 ASTM500A ASTM500B ASTM500C Mn16
5) Form of welding line: straight sew
6) Production techniques: resistance welding
7) Port of tube: without screw thread