Cold-drawn precision Seamless Steel Pipe is a high-precision steel pipe material. The main categories are: precision seamless steel pipes, precision hydraulic seamless steel pipes, cold-drawn precision seamless steel pipes, cold-rolled precision seamless steel pipes, high-precision seamless steel pipes, and precision bright seamless steel pipes. Precision seamless steel pipes, precision hydraulic seamless steel pipes, cold-drawn precision seamless steel pipes, cold-rolled precision seamless steel pipes, high-precision seamless steel pipes, precision bright seamless steel pipes. (1) Main varieties of steel pipes: DIN series high-precision precision bright seamless steel pipes, special steel pipes for hydraulic systems, special steel pipes for automobile manufacturing (2) Main standards: DIN2391, DIN2445, EN10305, DIN1629, DIN1630, ASTM A179 (3) Main materials: 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: There is no oxide layer on the inner and outer walls of the steel pipes, withstand high pressure, no leakage, high precision, high finish, cold bending and no deformation, flaring and flattening without cracks. (6) Main uses: used in hydraulic system piping, automobile manufacturing piping, military industry, engineering machinery, railway locomotives, aerospace, ships, injection molding machines, die casting machines, machine tools, diesel engines, petrochemicals, power stations, boiler equipment and other industries.
