EN10305-2 E355 WT0.5 High Precision Cold Drawn Welded Steel Tube For Precision Machinery Equipments

High Precision Cold Drawn Welded Steel Tube For Precision Machinery Equipments

Description:
High precision cold drawn welded steel tubes are essential for precision machinery equipment, offering exceptional dimensional accuracy and strength. These tubes undergo a meticulous cold drawing process, enhancing their mechanical properties and surface finish. Their welds are expertly crafted to ensure durability and reliability under high stress. Ideal for applications requiring tight tolerances, they provide excellent performance in various industries. With resistance to corrosion and fatigue, these tubes are vital for enhancing the efficiency and longevity of precision machinery.

Typical Specification:

Chemical Component:

　　
Stength Yield:

Delivery Condition:
1) +C No heat treatment after the final cold drawing process.
2) +LC After the final heat treatment there is a suitable drawing pass.
3) +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere.
4) +A After the final cold drawing process the tubes are annealed in a controlled atmosphere.
5) +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere.

Standard:

EN10305-2, EN10305-3 or as requested

Material:

E215, E235, E355, 26MnB5, 34MnB5 etc (including low carbon alloy steel)

Diameter Range:

10-89mm

Wall Thickness Range:

0.5-10mm

Application:

Automor, e.g. hollow stablilzer bar, drive shaft tubes, steering tube, shock absorber tube, camshaft pipe, etc. And precision machinery equipments etc.

Annual Output:

20000MT

Advantage:

SG/76 Enhanced High-precise High Frequency Welding Tube Production Line. Edge milling technology from Germany, Small outer diameter and thick wall thickness technology from YODE U.S.A. The welding machine from EFD, Norway and internal burr scrapping device from Germany. The main productions are welding tubes of small outer diameter (D) and thick wall thickness(t): t/D≥0.2. The products are of high size precision and good quality of welding line, as well as good internal burr scrapping effects.

Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is specialized in producing and selling high-end bearing tubes, auto alloy tubes, titanium and titanium alloy tubes, nickel and nickel-based alloy tubes, refrigerator condenser tubes, aluminum and aluminum alloy tubes and the like.
The company focuses on the development of new products, and has successively developed high diameter-wall ratio titanium-molybdenum-nickel alloy seamless steel tubes, nuclear power plant reactor driving mechanism used martensite stainless steel seamless steel tubes, auto critical components used alloy steel tubes, high-end refrigerator used corrosion-resistance galvanized condenser tubes, marine engineering and complex environment oilfield used high-strength corrosion-resistance G3 tubes, among which, nuclear power plant reactor driving mechanism used martensite stainless steel seamless steel tube has obtained high-tech product certificate of the province.
At present, the company has obtained authorization for 7 patents for invention, and 8 patents for utility model.