Welded Pre Galvanized Steel Pipe Hot Dipped Black Square Tube
Pre-galvanized square tube base material is galvanized steel straps then ERW welded to steel tubes. The most producedsurface zinc coating thickness of pre-galvanized square tube is 30-40g/m in China marketHot-dipped galvanized square tube base material is black tube (no surface finish),then going through zinc pool to get thefinished product. The zinc coating thickness 200-600g/m.We has powerful system of storage, production and distribution based in the steelindustrial area of China. The company is able to supply full sizes of tube and customized specification service, achieve one.stop service and save time and effort for customers.
Pre-galvanized Hollow section, Galvanized steel tube, pre-galvanized steel square and rectangle tubes
Place of Origin: Hebei China (Mainland)
Grade : Q195-Q345/ASTM A500 Grade A-B/S355-JQH-JR-J2H
Thickness: 0.7 mm to 12.0 mm
Zinc Coating: Z40g/m2 – Z150g/ m2
Length : 6meters-12meters or as customer required
SIZE (OUTER DIAMETER) | WALL THICKNESS | LENGTH |
20x20 / 25x25 | 1.2MM --2.75MM | 6M IN STOCK (OR CUSTOMIZED) |
30x30 / 20x40 / 30x40 / 25x40 | 1.2MM -- 3.5MM | 6M IN STOCK (OR CUSTOMIZED) |
40x40 / 50x50 30x50 / 25x50 / 30x60 / 40x60 | 1.2MM -- 4.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
60x60 / 50x70 / 40x80 / 40x50 | 1.2 MM -- 5.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
70x70 / 60x80 / 50x80 / 100x40 / 50x90 | 1.5MM -- 5.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
75x75 / 80x80 / 90x90 60x100 / 50x100 / 120x60 / 100x80 / 60x90 | 1.5MM -- 7.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
100x100 / 120x80 | 1.8MM -- 7.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
120x120 / 130x130 180x80 / 160x80 / 100x150 / 140x80 / 140x60 | 2.5MM -- 10.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
140x140 / 150x150 / 100x180 / 200x100 | 2.5MM -- 10.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
160x160 / 180x180 / 200x150 | 3.5MM -- 11.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
200x200 / 250x150 / 100x250 | 3.5MM -- 11.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
250x250 / 250x200 / 300x150 / 300x200 | 4.5MM -- 15.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
300x300 / 350x200 / 350x250 /300x150 | 4.5MM -- 15.0 MM | 6M IN STOCK (OR CUSTOMIZED) |
350x350 350x300 / 450x250 / 400x300 / 500x200 | 4.5MM -- 15.75 MM | 6M IN STOCK (OR CUSTOMIZED) |
400x400 / 280x280 450x300 / 450x200 / 400x350 / 400x250 / 500x250 / 500x300 | 4.5MM -- 15.75 MM | 6M IN STOCK (OR CUSTOMIZED) |