Model No.:50*50-400*400, 60*40-500*300mm
Product Origin:China
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Description:Our company specialized production ERW Steel Tube Square steel pipe Size: From 40x40mm to 400x400mm, Thickness from 2.5mm to 12mm Rectangle steel pipe: Size: From 60x40mm to 500x300mm, Thickness from 2. 5-12mm Steel grade: Q195, Q235, Q345, 16Mn (SJ255, St37) 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.