GB/T 9450-1988Determination and verification of the effective depth of carburized and hardened cases of steel parts (English PDF)
钢件渗碳淬火有效硬化层深度的测定和校核
GB/T 9450 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 9450-2025 | Determination of the case hardening depth for steel | Valid |
| GB/T 9450-2005 | Steels - Determination and verification of the depth of carburized and hardened cases | Obsolete |
| GB/T 9450-1988 | Determination and verification of the effective depth of carburized and hardened cases of steel parts | Obsolete |
GB/T 9450-1988 is obsolete. It has been replaced by GB/T 9450-2005. This page sells the obsolete edition, for projects and contracts that still cite it.
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Issued by
National Bureau of Standards
Level / Type
National · Recommended
Issue date
June 25, 1988
Implementation date
March 1, 1989
Scope
GB/T 9450-1988 is the English-translated version of 钢件渗碳淬火有效硬化层深度的测定和校核.
GB/T 9450-1988 is the Chinese national standard "Determination and verification of the effective depth of carburized and hardened cases of steel parts". It was issued on June 25, 1988 by the National Bureau of Standards, and took effect on March 1, 1989. It is obsolete: it has been replaced by GB/T 9450-2005.
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Document preview — GB/T 9450-1988
National Standard of the People's Republic of China
Issued by: National Bureau of Standards
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Issuing body: National Bureau of Standards.
Date of issue: 1988-06-25.
Date of implementation: 1989-03-01.
Status: obsolete, replaced by GB/T 9450-2005.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
Referenced standards
Cited by
- GB/T 45679-2025High pressure spinning dies
- GB/T 45983.1-2025Rare earths thermo-chemical treatment - Part 1: Carburizing and carbonitriding
- QC/T 262-2025Metallographic examination for automobile carburized gears
- QC/T 326-2025Numbering rules for automotive standardized parts
- GB/T 35060.2-2018General specification of shearer—Part 2: Cutting transmission unit
- GB/T 35060.3-2018General specification of shearer—Part 3: Haulage driving unit
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GB/T 9450-1988
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