GB 12231-1989Valve cast steel visual quality requirements (English PDF)
阀门铸钢件外观质量要求
GB 12231 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| JB/T 7927-2014 | Valve Cast Steel Visual Quality Requirements | Valid |
| JB/T 7927-1999 | Valve cast steel visual quality requirements | Obsolete |
| GB 12231-1989 | Valve cast steel visual quality requirements | Obsolete |
GB 12231-1989 is obsolete. It has been replaced by JB/T 7927-1999. This page sells the obsolete edition, for projects and contracts that still cite it.
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Level / Type
National · Mandatory
Scope
GB 12231-1989 is the English-translated version of 阀门铸钢件外观质量要求.
GB 12231-1989 is the Chinese national standard "Valve cast steel visual quality requirements". It is obsolete: it has been replaced by JB/T 7927-1999.
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Document preview — GB 12231-1989
Contents
- Document data
1 Document data
Sector: National standard (Mandatory).
Status: obsolete, replaced by JB/T 7927-1999.
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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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GB 12231-1989
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