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ASTM A756-09 440C Stainless Anti-friction Bearing Steel Tubes
Seamless Stainless Bearing Steel 440C bearing steel tubes
The bearing tubing Standard: ASTM A756-09,this specification covers the requirements for
chromium-carbon bearing quality stainless steel to be used in the manufacture of anti-friction bearing.
Application: Used for ball and roller Bearing Ring and Bearing inner tubes for automotive industry.
The stainless bearing tubes 440C produced by cold drawn tubes or cold rolled steel tubes with spheroidizing
annealed and stress relieved +SR after cold drawning process.
The 440c anti-friction stainless bearing tubes size Range:
Stainless steel tube OD: 12-2100mm
Stainless steel tubing WT: 2-16mm
The Length of bearing tubes usually: 2-6m
Bearing Steel Tube Characteristic:
High strength and anti-friction
High-precision
Good Surface Quality
Stable quality
Smooth Roughness
Seamless Cold Drawn tubes or Seamless Cold Rolled tubes + BKS
ASTM A756 440C stainless anti-friction bearing steel chemical composition:
Steel Grade 440C;X40CrMoN15-1;X47Cr14;X65Cr14;X108CrMo17;X89CrMoV18-1
| Materials | C % | Mn% | Si % | P % | S % | Cr% | Ni % | Mo % |
| 440C | 0.95-1.20 | max 1.0 | max 1.0 | max 0.040 | max 0.030 | 16-18 | max 0.75 | 0.40-0.65 |
Introduction:
Stainless 440C bearing steel tubes is a carbon-chromium stainless steel, because of its versatility,
is used in a variety of mechanical applications. In the annealed condition this steel is comparatively
easy to machine, yet very high hardness andabrasion resistance can be developed by heat treatment
to make the steel particularly suitable for applications requiring extreme wear resistance. In addition,
440C bearing steel can be heat treated to high levels of tensile strength and fatigue strength.
tags:440C stainless bearing steel,stainless anti-friction bearing steel