• Automobile Precision Tubes
    • 9992019银河点击
    • Automobile Precision Tubes
    • Automobile Precision Tubes

Automobile Precision Tubes

  • Product Model:OD: Φ16mm~Φ114mm; WT: 1.0mm~10.0mm.
    Feature Description:
    In order to follow the development of automobile products and localization of automobile accessories, Changbao launched automobile precision tubes, which are mainly applied to pilot, shock absorber, shaft, steering device, carriage, silencer, automobile accessories, etc.
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Detailed Introduction

In order to follow the development of automobile products and localization of automobile accessories, Changbao launched automobile precision tubes, which are mainly applied to pilot, shock absorber, shaft, steering device, carriage, silencer, automobile accessories, etc.

Main Code or Grade

Mainly includes: 10#~45#, 16Mn, 20Cr, 15CrMo, 35CrMo, SAE8617H, etc.

Standard

YB/T 4203-2009 Seamless Steel Tubes for Semitrailer Axles

GB/T 3638-2008 Seamless Cold-drawn or Cold-rolled Precision Steel Tubes

DIN 2391-1994  Delivery Terms of Seamless Precision Steel Tube

Product features

The particularity of automobile accessories requires slightly surface, limited weight, operation safety and steady performance. To ensure the life time of accessories, there are also high requirements for anti-corrosion and duration. Additionally, according to different applications, there are specific requirements for material, dimension, precision, mechanical properties, processing properties, and surface conditions. Some special applications require wear resistance, fatigue resistance and weldability. On most occasions, high weldability is quite important, as well as re-processing properties and heat treatment properties. In some cases, while used as finished accessories with galvanization or other coatings, some tubes will be NBK. For example, considering dynamic balance, tubes for shaft shall have uniform wall thickness, good fatigue resistance, and enough static torque value. For shock absorber, besides strict requirements for inside oval, inside roughness, inside wear resistance is also required. Regarding steering rod, cold extruding processing property is required. For carriage, NBK is necessary.


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