Company News

Hunan Great Steel Pipe Co., Ltd
steel tube provider,316L stainless steel pipe,oil tubing

DIN 2391 Precision cold drawn seamless steel tube

Date: 2019-10-15
DIN 2391 Precision cold drawn seamless steel tube DIN 2391 standard for precision cold drawn seamless steel tube Size(mm): Out diameter:16-325 Wall thickness: 1-22 Length: Max:12000 Main application: Hydraulic system with steel, automotive steel, widely used in the hydraulic system in steel tube, injection molding machine in steel tube, hydraulic press in steel tube, steel tube, EVA foam hydraulic machinery, precision hydraulic steel pipe cutting machine, shoe-making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automobile high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, agricultural and forestry machinery, etc. Chemical component(%) Mechanical properties(Mpa) Remark: TS: Tensile Strength  YS: Yield Strength   E: Elongation Post time: Oct-15-2019s steel grade C max Si max Mn P max S max St35 0.17 0.35 0.40 0.025 0.025 St45 0.21 0.35 0.40 0.025 0.025 St52 0.22 0.35 1.60 0.025 0.025 Delivery conditions cold working(hard)BK cold working(soft)BKW Cold working and eliminate force BKS annealing(GBK) normalizing(NSK) steel grade / / / / / St35 TS:480   E:6 TS:420   E:10 TS:420   YS:315    E:14 TS:315   E:25 TS:340-470   YS:235    E:25 St45 TS:580   E:5 TS:520   E:8 TS:520   YS:375    E:12 TS:390   E:21 TS:440-570   YS:255    E:21 St52 TS:640   E:4 TS:580   E:7 TS:580   YS:420    E:10 TS:490   E:22 TS:490-630   YS:355    E:22

Latest news list

  • honed tube,precision honed tube,honed steel tube,DOM honed tube,seamless honed tube,honing process
    Hydraulic cylinder failures are often blamed on seals or hydraulic oil,but the condition of the cylinder bore is just as important,Even a small variation in bore accuracy can increase friction,shorten seal life,and reduce overall system efficiency,A honed tube is designed to solve these challenges,Through precision honing,the internal surface of the steel tube achieves strict dimensional accuracy and a controlled cross-hatch finish,allowing pistons and seals to operate smoothly under high pressure and repeated movement,With years of experience supplying hydraulic cylinder tubes and precision steel tubing for construction machinery,mining equipment,and industrial applications,Hunan Great Steel Pipe Co,,Ltd,provides customized honed tube solutions focused on dimensional accuracy,material reliability,and consistent quality,
  • honed tube,honed steel tube,precision honed tube,honed tubing,seamless honed tube,DOM honed tube
    Hydraulic cylinders are only as reliable as the tubes they are built from,Even a high-quality piston seal cannot perform properly if the cylinder bore has poor roundness,excessive roughness,or inconsistent dimensions,These seemingly small imperfections can lead to oil leakage,increased friction,and premature component wear,
  • Studded tube inspection,studded tube quality control,stud welding inspection,heat exchanger tube inspection
    A studded tube may appear to be a simple heat exchanger component,but its long-term performance depends on dozens of manufacturing details,Material traceability,stud welding quality,dimensional accuracy,and inspection records all influence whether the tube will operate reliably in high-temperature service,
  • studded tube,studded tube heat exchanger,heat exchanger tube,studded tube applications,waste heat recovery tube
    In gas-side heat exchangers,the greatest challenge is often not the tube material itself but the relatively low heat transfer coefficient of hot gases,Engineers must improve thermal efficiency without compromising mechanical strength or increasing maintenance requirements,
  • shipment news,project order,export supply,reliable manufacturer,heat exchanger steel tube,studded tube
    We recently completed the shipment of a customized order of heat exchanger steel tubes and studded tubes for an overseas industrial project,Manufactured according to the customer's technical specifications,the products underwent comprehensive quality inspections before export to support reliable installation and long-term operation,

Find what you need ?

close
We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalized content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from.