Shandong Wanlihong Seamless Steel Tube Factory introduces the difference between precision seamless steel tubes and seamless steel tubes
1, the main features of seamless steel pipe is no welding seam, can withstand greater pressure. The product can be very rough cast or cold dial.
2. Precise steel pipe is a product that has emerged in recent years. It mainly has strict tolerances and roughness on the inner hole and outer wall dimensions.
The main products of precision seamless pipe: DIN series high-precision precision light precision seamless pipe, precision seamless pipe for hydraulic system, precision seamless pipe for automobile manufacture 2) Main standard: DIN2391, DIN2445, EN10305, DIN1629, DIN1630, ASTM A179
3) Precision seamless tube main material: ST35 (E235) ST37.4 ST45 (E255) ST52 (E355)
4) Main delivery status: NBK(+N) GBK(+A) BK(+C) BKW(+LC) BKS(+SR)
5) Main features: The inner and outer walls of the precision seamless pipe are free of oxide layer, can withstand high pressure, no leakage, high precision, high finish, no deformation due to cold bending, flaring and flattening without cracks. 6) Precision seamless pipe Main use: Applied to hydraulic system Pipes, automobile manufacturing piping, military, construction machinery, railway locomotives, aerospace, ships, injection molding machines, die casting machines, machine tools, diesel engines, petrochemicals, power stations, boiler equipment, and other industries.
This seamless steel pipe plant in Shandong provides information on the source of the difference between seamless steel pipes
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