High quality hollow section square and rectangular pipe, ASTM a500 Details: 1)Product name: square steel tube 2)Place of origin: Tianjin China (Mainland) 3)Classification: hot-rolled square steel tube 4)Thickness: 1.2mm-12mm 5)Specifications: 20*20*0.5mm-500*500*20mm 6)Certification: ISO9001:2000, CE certificate EN10219 7)Application: widely use...

Thin Wall Welded 6″x6″ Galvanized Structure Steel Square Rectangular Pipe Size:20×20–500x500mm ;20×40–400x600mm Wall thickness :0.5-20mm Length:5.8m/6m,or based on your request Standard EN10025.EN10219,ASTM A500 and so on (the Chinese material can be Q195,Q235Q345) Surface:Black, or Galvanized and Oiled to preve...

Thin Walled Cold Rolled Welded Steel Pipe Chemical Composition Standard Steel Grade  C(%) Si(%) Mn(%) S(%) P(%) DIN 2391 St35 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025   St37 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025   St37.4 ≤0.17 ≤0.35 ≥0.40 ≤0.025 ≤0.025   St45 ≤0.21 ≤0.35 ≥0.40 ≤0.025 ≤0.025   St44 ≤0.21 ≤0.35 ≥0.40 ≤0.025 ≤0.025   St52...

thin wall 12 diameter steel pipe gi pipe schedule 40 philippines Wall Thickness:0.3mm-12mm Length:5.5m, 5.8m, 6m, 11.8m, 12m etc , other length is Available according to demands. Outer diameter:15mm-219mm Tolerance:Wall Thickness:±0.05MM Length:±6mm Outer Diameter:±0.3MM Shape:Round, Square, Rectangle, Oval, etc. Material:Q195-Q345, 10#-45#,195-...

Square ERW Thin Wall Steel Pipe Manufacturer The pipe diameter and wall thickness ratio of less than 20 is called thick-walled steel pipe, which is mainly used in petroleum geology drilling pipe, petrochemical used cracking tubes, boiler tubes, pipes and automotive bearings, tractors, aviation structures with high precision tubes. Thick-walled s...