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Precision steel tubes


Detail:Profiled  cold-rolled precision steel tubes  are named economical section tubes.They are normally known of non-circular,equal and variable wall thickness, variable diameter, symmetrical and asymmetric sections, including square,rectangular, taper, trapmf and trimf,and spiral.
Profiled cold-rolled precision steel tubes can meet the special needs of applications, which save metal and improve component manufac-turing efficiency .They are widely adept in auto, hydraulic machinery,gas spring system, shock absorbers,precision instruments, anchor-ing machinery and construction machinery.
Profiled cold-rolled precision steel tubes are named economical section tubes. They are normally knowen of non-circular,equal and variable wall thickness,variable diameter,symmetrical and asymmetric sections,including square,rectangular,taper,trapmf and trimf,and spiral. We use cold-rooled technology from 0.5mm to18mm, of the precision ±0.03mm, and of  inner surface roughness Ra0.4-0.6. The types of steel tubes include 10#、20#、35#、45#、160Mn、20GrMo、40Gr .They meet the specification of the GB,ASTM,ASME,ISO,DIN,EN andAPI standards.Profiled cold-rolled precision steel tubes can meet the special needs of app;ications,which save metal and improve component manufacturing efficiency.

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