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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.
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.
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