Precision Steel Tube are produced by Cold Drawn and Cold Rolling, with very good OD and ID tolerance and smoothness , with very good Concentricity, Good Ovality, Good Roundess, Less Deviation, suitable for machinery and CNC machining part, for auto parts. Cold Drawn Seamless tubing (also known as CDS Steel Tube. Cold Drawn Seamless tubes offer
SAE4140 42CrMo4 Cold Drawn Heat Treatment Qt Alloy Our Quality key points of cold drawn steel * The Min size tolerance we can produce is -0.02mm/+0mm. * The Min Straightness can be 0.2mm/m * Surface very shinny and smoothly(Min roughness can be 0.4um) * Control the mechanical properties through annealing,normalized,quchening and tempering heat treatment *Full inspection equirment,it can test size,rougness,UT level,properties,hardness etc
Ss440 A36 S20c 1020 S45c 1018 1045 4140 12L14 1215 Cold S45c Cold Drawn Steel Bar, 1045 Cold Drawn Steel Bar, SAE 1020 Cold Drawn Steel Bar manufacturer / supplier in China, offering Ss440 A36 S20c 1020 S45c 1018 1045 4140 12L14 1215 Cold Drawn Polished Steel Round Square Hexagonal Bars, Carbon Steel Round Bar SAE 1045 Forged Alloy Steel Round Bar, Manufacturer of Hot Rolled Forged SAE 1045 Steel Round Bars and so on.
We are a factory in China, professionally manufacture & supply cold-drawn and cold-rolled precision seamless steel tubes. They are widely used in automobile parts, engine cylinder liner sleeve, hydraulic & pneumatic cylinder, hydraulic jack, motorcycle shock absorber, mechanical machine components, shipbuilding, geological drilling, nuclear station, etc. Main Standard:DIN 2391, EN 10305-1 SCM440 42CrMo 4140 Cold Drawn QT Steel Bar(id:10832708 SCM440 42CrMo 4140 cold drawn bright QT steel bar We,Jinan Best Steel, established in year 2004, is a proffessional company for exporting steel bars, steel pipes and relatyed steel products, our main products are :Steel round bars:hot rolled, cold drawn, forged, Q&T(Quenched& tempered),Normalized,Annealed.