1) Precision Seamless main varieties: DIN Precision Series high precision seamless bright, dedicated precision seamless hydraulic system, automobile manufacturing special precision seamless tube.
2) Main standards: DIN2391, DIN2445, EN10305, DIN1629, DIN1630, ASTM A179
3) The main material precision seamless carbon steel pipe：ST35(E235) ST37.4 ST45(E255) ST52(E355)
4) The state of the main delivery：NBK(+N) GBK(+A) BK(+C) BKW(+LC) BKS(+SR)
5) Main features: precision seamless internal and external walls without the oxide layer, to withstand high pressure without leakage, high-precision, high finish, cold deformation, flaring, flattening without cracks
6) precision seamless steel pipe main purposes: used in the hydraulic system piping, piping automotive, military, engineering machinery, railway locomotive, aerospace, shipbuilding, injection molding machines, die-casting machines, machine tools, diesel, petrochemical, power plant, boiler equipment and other industries
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