Hot rolled seamless steel pipe
-Technical characteristics: hot rolling process (temperature: 1100-1250 ℃), uniform wall thickness and high strength, applicable to high temperature and high pressure environment;
-Specification range: outer diameter Φ 25-630mm, wall thickness 2.5-75mm, in accordance with GB/T 8162, 8163, ASTM A106 and other domestic and foreign standards;
-Application field: oil cracking pipeline, boiler heat exchanger, engineering machinery hydraulic system, etc.
Cold rolled and finished seamless steel pipe
-Technical characteristics: through cold drawing/cold rolling process, the dimensional accuracy reaches ± 0.05mm, and the surface roughness Ra ≤ 0.8 μ m;
-Specification range: outer diameter Φ 6-325mm, wall thickness 0.5-25mm, in accordance with GB/T 3639, ASTM A106 and other domestic and foreign standards;
-Applications: hydraulic cylinder barrel, transmission shaft tube, automobile chassis parts, shaft sleeve, bearing, etc.