Shandong Jute Steel Pipe Co.,Ltd.Our seamless steel pipe products include hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, ordinary carbon steel seamless steel pipe, precision bright seamless steel pipe, special-shaped steel pipe and other pipes. We have a complete industrial chain and a complete set of CNC processing equipment, which can deeply process pipes. No matter you need pipe raw materials, semi-finished materials or finished parts, we can provide you with solutions. Here you can save procurement costs and unnecessary communication. We will provide you with all-round services with higher quality products, competitive prices and high-quality services. Welcome your call, letter and communication. 1. Steel pipes are classified according to production methods  (1) seamless steel pipe — hot rolled pipe, cold rolled pipe, cold drawn pipe, extruded pipe and pipe jacking (2) welded steel pipe (a) according to the process — arc welded pipe, resistance welded pipe (high frequency and low frequency), gas welded pipe and furnace welded pipe (b) divided by weld — straight welded pipe and spiral welded pipe 2. Classification by pipe material – carbon steel pipe and alloy pipe • carbon steel pipes can be divided into ordinary carbon pipes and high-quality carbon structural pipes • alloy pipe can be divided into: low alloy pipe, alloy structure pipe, high alloy pipe, heat and acid resistant stainless pipe, high temperature alloy pipe, et 3. Classification by section shape – round and special-shaped 4. Classification by wall thickness – thin wall steel pipe, thick wall steel pipe 5. Classification by purpose – steel pipe for pipeline, steel pipe for thermal equipment, steel pipe for mechanical industry, steel pipe for petroleum and geological drilling, container steel pipe, steel pipe for chemical industry, steel pipe for special purpose and steel pipe for other purposes.