Best price for mild steel square pipe, ASTM A500 standard for structure usage

Model Number: Grace-YF-steel38-#5708 Brand Name: Youfa Key Specifications/Special Features: Best price for mild steel square pipe, ASTM A500 standard for structure usageCarbon steel pipe category:Hot-rolled and cold-rolled (pull) pipeMaterial:10#, 20#, 45#, Q345, ST35.8, ST37, ST42, ST45, ST52, GR.B-X60, J55, K55, N80Size:
Outer diameter: 1/8"~24"(6mm~610mm)
Thickness: 1.3-6.0mm
Length: 5.8m 6m 12m or according to customer demand
Note: different size can be supplied as your request
Standard:
GB/T8163, 8162, 3087, 5310, 9711, 9948 DIN1629, 2391, 17175, 2448
ASTMA106 A53, A179, A210, A213, A500 API 5L 5CT JIS G3441, 3458, 3462
Surface treatment:
Bared
Black painted (varnish coating)
Galvanized
Pre-galvanized
With oiled
3 PE, FBE, 3PP, 2PE, epoxy paint and cement mortar lining
Application:
Q195 carrying small parts used in the manufacture, wire, hoops, horns, cotter pins, rod, stampings and welded parts
Q215 A used in the manufacture rod, rings, washers, seepage circle, carburizing parts and welding parts
Q235 AA, grade B for the manufacture of metal structures, the center piece or less demanding strength carburizing carbonitriding pieces, drawbars, connecting rods, hooks, coupler, bolts, nuts, sleeves, shafts and fittings, C, D level is important for the manufacture of welded structures
Q255 A used in the manufacture shaft, spindle, hook, rod, rocker, wedges strength less demanding parts
Q275 for the manufacture of shafts, sprockets, gear, hooks and other parts with high strength requirements