The Changchun Structural Steel Plant / Lu Steel structural steel dealer Liaocheng Lu Steel Steel Pipe Co., Ltd is 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. 
 Liaocheng Lu Steel Pipe Co., Ltd. is a professional enterprise engaged in ancillary services such as electricity, petroleum, chemical, engineering, machining enterprises. Production and operation of large diameter thick-walled seamless steel pipe, supplemented by labor insurance products to provide a service for major companies. The strong support of our customers, just a few years has gradually grown into a strong financial background, excellent reputation, adequate supply, complete supporting facilities of leading enterprises. Has formed to consolidate the purchase channels of Tianjin big seamless, Baotou, Baosteel, the value of steel, smelting and refining of steel and other major steel mills, with Hebei Electric Power, China Petroleum, China Railway Construction, Luxi Chemical, CJ Group The large well-known enterprises to establish a good supplier relations. 
 Standing resource material standard: structure tube GB8162-1999, fluid pipe GB8163-1999, low and medium pressure boiler pipe GB3087-1999, high-pressure boiler pipe GB5310-1999, fertilizer dedicated pipe GB6479-2000, petroleum cracking pipe GB9948-88, and seamless The square tube, stainless steel grades Daquan 022-81432852. Implementation of international GB8162-2008 (structural pipe) GB8163-2008 (fluid pipe) GB3087-2008 (low and medium pressure boiler pipe) GB5310-2008 (high-pressure boiler tubes), GB6479-2000 (fertilizer special pipe), GB9948-2006 (petroleum cracking tube) 

 The Company since its inception, all employees in the quality first, people-oriented, business integrity, mutual benefit policy. The companies all year round with thousands of tons of stock pipe resources for friends and the community more information procurement.