Military Field Automotive Steel Tubing 50mm Outside Diameter With Smooth Surface

Welded Cold Drawn EN10305-2 50mm Automotive Steel Tubing Cold Drawn Steel Pipe

Application:

for Auto industry

for machinery use

Oil Cylinder Tube

Motorcyle shock absorber
Auto shock absorber innder cylinder

Telescopic Cylinders

Size range

OD:6-80mm

WT:0.5-10mm

L:As requirements.

Supplying Steel Grade:

E155, E195, E235 E275, E355

Delivery Condition:

+C, +Lc, + SR, +A, +N

Production Method:

DOM, ERW+ Cold Drawn

ID Honing + Roller Burnish+ Skiving

Appearance:

The internal and external surface finish of the tubes is smooth, while the Weld Seam is somehow not visible or tangible.

The ID surface with roughness Ra≤4μm, the best ID smoothness we could reach Ra≤0.8μm

The inner surface can be measured and reported if this is requested by the purchaser before PO.

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.