GB/T 230-1991Metallic materials--Rockwell hardness test (English PDF)
金属洛氏硬度试验方法
GB/T 230 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 230-1991 | Metallic materials--Rockwell hardness test | Obsolete |
GB/T 230-1991 is obsolete. This page sells the obsolete edition, for projects and contracts that still cite it.
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Level / Type
National · Recommended
Scope
GB/T 230-1991 is the English-translated version of 金属洛氏硬度试验方法.
GB/T 230-1991 is the Chinese national standard "Metallic materials--Rockwell hardness test". It is obsolete: it has been withdrawn.
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Document preview — GB/T 230-1991
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Status: obsolete, withdrawn.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.
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Related Standards
GB/T 230.1-2018 — Metallic materials - Rockwell hardness test - Part 1: Test method
GB/T 230.1-2009 — Metallic materials - Rockwell hardness test - Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T)
GB/T 230.1-2004 — Metallic Rockwell hardness test - Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T)
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GB/T 230-1991
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