The principle of precision seamless steel pipe

Fine seamless steel tube classification precision seamless steel tubes, fine hydraulic seamless steel tubes, cold drawn fine seamless steel tubes, cold rolled fine seamless steel tubes, high precision seamless steel tubes, fine light seamless steel tubes. Fine seamless steel pipe classification 1) Steel pipe important types: DIN series of high-precision fine and light seamless steel pipe, hydraulic system public steel pipe, automobile manufacturing public steel pipe fine seamless steel pipe encyclopedia fine seamless steel pipe classification 2) important scale: DIN 2391 , DIN 2445, EN 10305, DIN 1629, DIN 1630, ASTM A 769 Fineness-free Seamless Steel Tube Seam Sew Known Fine Seamless Steel Tube Category C) Important Material: ST 35 (E 23) ST 37. 4 ST 45 (E 25 5) ST 52 (E 350) Fine Seamless Steel Tube Category 4) Important Delivery Form: NBK (+N) GBK (+A) BK(+C) BKW(+LC) BKS(+SR) Fine Seamless Steel Tubes Category 5) Important features: No oxide layer on the inner and outer surfaces of the steel pipe, high pressure, no leakage, high precision, high brightness, cold bending Stable, flaring, flattening seamless seamless steel pipe classification of six) The important use: used in hydraulic system piping, automobile manufacturing piping, military, engineering machinery, railway locomotives, aerospace, shipbuilding, injection molding machines, die casting machines, machine tools , Diesel, kerosene chemical industry, power plants, boilers and other equipment settings and other industries.