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Electro galvanized square&rectangular steel tube:The technology of electro galvanized square/rectangular tube is similar to hot dipped galvanized tube, but the thickness of zinc coating is less than hot dipped galvanized tube. Standard:GB/T6728:2002,ASTMA500,JIS G3466,EN10210,EN10219 Steel Grade:GB/T6728:2002 :Q195 , Q235 , Q345 ASTM A500:GR. Engineering Special Steel,Elliptical Steel Tube,Triangle Product categories of Profile Steel Tubes, we are specialized manufacturers from China, Special Pipes, Engineering Special Steel suppliers/factory, wholesale high-quality products of Elliptical Steel Tube R & D and manufacturing, we have the perfect after-sales service GB/T8163 10# 20# Liquid Transportation Seamless Steel China GB/T8163 10# 20# Liquid Transportation Seamless Steel Pipes with High-Quality, Leading GB/T8163 10# 20# Liquid Transportation Seamless Steel Pipes Manufacturers & Suppliers, find GB/T8163 10# 20# Liquid Transportation Seamless Steel Pipes Factory & Exporters.
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