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GB/T 9451-2005Determination of total or effective thickness of thin surface hardened layers of steel parts (English PDF)

钢件薄表而总硬化层深度或有效硬化层深度的测定

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee

Level / Type

National · Recommended

Issue date

July 21, 2005

Implementation date

January 1, 2006

Scope

GB/T 9451-2005 is the English-translated version of 钢件薄表而总硬化层深度或有效硬化层深度的测定.

GB/T 9451-2005 — This standard specifies: total trip hardened steel parts surface layer depth or effective case depth Definition and determination. This standard applies to: total surface hardening layer depth or effective case depth is less than 0, mm-steel parts.

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Document preview — GB/T 9451-2005

National Standard of the People's Republic of China

ICS: 25.200
Classification: J 36
Replacing: GB/T 9451-1988

Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies: total trip hardened steel parts surface layer depth or effective case depth Definition and determination. This standard applies to: total surface hardening layer depth or effective case depth is less than 0, mm-steel parts. This standard does not apply to non-hardened layer and the buffer layer between the base metal parts.

Document data

International classification (ICS): 25.200.

Chinese classification (CCS): J36.

Estimated length of the Chinese original: 7,777 words.

Adopted international standard: ISO 4970-1979; MOD.

Supersedes the earlier edition GB/T 9451-1988.

Standards quoted by this document

GB/T 4340.1-1999; GB/T 7232-1999; GB/T 9450-2005; GB/T 18449.1-2001

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.

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