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Bearing steel trademark indication method
Source: Bearing network time: 2012-12-28
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High carbon chromium bearing steel; the symbol "G" is added to the head of the trademark; but the carbon content is not indicated. The chromium content is in parts per thousand; other alloying elements are indicated by the alloy content of the alloy structural steel. For example: uniform chromium content It is 1 â–¡ 50% of bearing steel; its trademark is indicated as “GCr15â€.
Carburized bearing steel; the alloy structural steel is selected by the trademark indication method; the other is the symbol "G" in the head of the trademark. For example: "G20 CrNiMo". High-grade high-quality carburized bearing steel; add "A" at the end of the trademark. For example: G20CrNiMoA".
High carbon chromium stainless bearing steel and high temperature bearing steel; the stainless steel and heat resistant steel trademarks are used to indicate the method; the trademark head is not marked with "G". For example: high carbon chromium stainless bearing steel "9Cr18" and high temperature bearing steel" 10Cr14Mo".
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