GB/T 221-1979Notations for markings of iron and steel products (English PDF)
GB/T 221 | Evolution and historical versions
| Std ID | Title | Status |
|---|---|---|
| GB/T 221-2008 | Notations for designations of iron and steel | Valid |
| GB/T 221-2000 | Notations for designations of iron and steel | Obsolete |
| GB/T 221-1979 | Notations for markings of iron and steel products | Obsolete |
GB/T 221-1979 is obsolete. It has been replaced by GB/T 221-2000. 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 221-1979 (Notations for markings of iron and steel products) is available as an English-translated PDF.
GB/T 221-1979 is the Chinese national standard "Notations for markings of iron and steel products". It is obsolete: it has been replaced by GB/T 221-2000.
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Document preview — GB/T 221-1979
Contents
- Document data
1 Document data
Sector: National standard (Recommended).
Status: obsolete, replaced by GB/T 221-2000.
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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.
Referenced standards
Cited by
- GB/T 15547-2025Blanks of forged steel rolls for cold rolling mill
- GB/T 17616-2025Iron and steel coding system for irons, steels and alloys
- GB/T 713.1-2023Steel plate,sheet and strip for pressure equipments—Part 1:General requirements
- GB/T 15007-2017Designations of corrosion-resistant alloys
- GB/T 34560.1-2017Structural steels -- Part 1: General technical delivery condition for hot-rolled products
- JB/T 8700-2014Technical Specifications to Rotor Aerator with Horizontal Shaft Used in Oxidation Ditch
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GB/T 221-1979
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