Descripción del producto

Product Description
The seamless steel pipe is made of perforated whole round steel, and the steel pipe without weld seam on the surface is called seamless steel pipe. According to the production method, seamless steel pipes can be divided into hot-rolled seamless steel pipes, cold-rolled seamless steel pipes, cold-drawn seamless steel pipes, extruded seamless steel pipes, and pipe jacking. According to the cross-sectional shape, the seamless steel pipe is divided into two types: round and special-shaped. The maximum diameter is **0mm and the minimum diameter is 4mm. According to different uses, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes.
Seamless Steel Honed Tube is made of JIS STKM*3C/ DIN ST*2/ ASTM A**6/ SAE***0 and welded pipe: DIN ST*2.3 are also offered. Seamless Steel Hydraulic Cylinder Honed Tube withstands higher pressure than welded tube without splits. But, roundness of welded honed barrels is superior to seamless pipe. After honing, carbon steel cylinder honed tube of mechanical structure use has precision diameter, smooth surface, and excellent performance of oil storage. This kind of Hydraulic Cylinder Tube and Pneumatic Cylinder Tube work smoothly without pauses and has longer working life in cylinders. Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemical industries, boiler pipes, bearing pipes and high-precision structural steel pipes for automobiles, tractors and aviation.

Company pofile

Qingdao Uni-Zhongjian Steel Co., Ltd. established in ***8, is a specialized manufacturer of Steel rolling, Steel rails, Steel sheet pile, Steel coil, Galvanized steel coil, Prepainted steel coil, Steel pipe, Angle steel, Channel steel and Metal structure materials. At the moment, there are two steel rolling lines including **0 x 4 rolling line, **0 x 3 rolling line and three straightening machines, including a set of **0, **0 and **0, and nearly 1,**0 sets of roller machines of type CA****0 and CA***0. There are two laboratories; one is for physics and the other is for chemical analysis. More than *1 engineers and senior-engineers, together with **3 skilled-workers are working in our company, who are the outstanding rich talents reserve for our company and the solid base for fine quality products.

We insist on the principle of "customer-oriented, integrity first" and sincerely hope to cooperate with customers at home and abroad with our high-quality products and good service.



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