Liaoning structural pipe price / spot price of structural steel Liaocheng Lu Steel Pipe Co., Ltd., the main production and operation of large diameter thick-walled seamless steel pipe, all year round with thousands of tons of stock pipes resources for friends and the community more information procurement. Tel :0635 -88,764,388,876,446 phone: 13406354485 13406354498 Contact person: full Qiang Wang 
 The structural tube used to produce a variety of machine parts and structures of the frame body. Including bike with steel pipe, pipe pile, a variety of structural tube and bearing tubes, etc., representative of material carbon steel No. 20 and No. 45 steel; alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30 ~ 35CrMo, 42CrMo, etc. . 
 Structural steel, longitudinally welded pipes, seamless steel pipe and square and rectangular steel pipe, commonly used material is structural steel Q345B. 
 Structural tube weight formula: [(OD - Wall Thickness) * thickness * 0.02466 = kg / m (the weight per meter) for the general structure of the mechanical structure of seamless steel pipes. 
 Structure seamless steel pipe GB/T8162-1999 mainly used for general structural and mechanical processing. The representative of material (grade): 20 # carbon steel, 45 steel; alloy steel, of Q345, 20Cr, 40Cr, 20CrMo 30 to-35CrMo, 42CrMo, etc.. 
 Structure (squeeze over for the chemical, petroleum, textile, medical, food, machinery and other industrial resistance to erosion of piping and structural parts and components made of stainless steel hot-rolled stainless steel seamless pipe (with GB/T14975-2002) expanded) and cold drawn (rolled) seamless pipe.