Jiangyin Zhengbang Tube-making Co., Ltd
automotire seamless tube
Product Information:
Process Description: The high-precision fine pulling DIN bright seamless steel tube finished with steel tube as a phosphate, with imports of environmentally friendly phosphating solution on the pipe to internal and external wall phosphate, forming a black phosphate protective film, through the phosphate coating in the microporous absorbing anti-rust oil for anti-rust treatment, at both ends sealed for dust treatment. 
Main features: steel Color: black and with a light, steel pipe surface, a high degree of color uniformity, consistency, strong, and looks more beautiful, rust-proof steel good performance. 
Main use: hydraulic pipe systems; my company's main export varieties of steel pipe.  
MORE

Jiangyin Zhengbang Tube-making Co., Ltd.)
Norm DIN2391 EN10305,High quality carbon steel St35,St37.4,St52,cold drawing,bright heattreatmentwithoutoxidization(NBKstatus),non-destructivetesting,cleaing,phosphating,anti-rust oil dipping.This precision seamless tube with high accuracy and brightness features.
Mechanical properties:These tubes can be bent at any angel and bear the impact of high pressure,cold bending,flaring,and tensile force without cracks and breaks,oxidized residual substances on either inner or outer surface of tubes.Additionally,blockage to pneumatic,hydraulic and oil routes shall never occur.the elongation rate and tensile strength are in high standard.
our products used in industries of engineering machinery,machine tools,hydraulic machinery,shipbuilding ,automobile,heavy duty automobile,special automobile,railway locomotive,heavy duty machine,compressor,diesel engine,die casting machine,compressor,power station and boiler equipment etc