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GB/T 4679-2026Die casting dies — Components — Technical specifications (English PDF)

压铸模　零件　技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

July 30, 2026

Implementation date

February 1, 2027

Scope

GB/T 4679-2026 is the English-translated version of 压铸模　零件　技术规范.

GB/T 4679-2026 is the Chinese standard "Die casting dies — Components — Technical specifications". Its scope clause reads: This document specifies the technical requirements, inspection rules, marking, packaging, transportation, and storage of die-casting mold parts, and describes the corresponding tests. method.

This document applies to the manufacture of die-casting mold parts. Its clauses include technical requirements.

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Document preview — GB/T 4679-2026

National Standard of the People's Republic of China

ICS: 25.120.30
Classification: J 46
Replacing: GB/T 4679-2017

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Edition and transition
3 Classification and status
4 Structure of the document
5 The English edition

1 Scope

This document specifies the technical requirements, inspection rules, marking, packaging, transportation, and storage of die-casting mold parts, and describes the corresponding tests.

method.

This document applies to the manufacture of die-casting mold parts.

2 Normative references

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 145 Center Hole

GB/T 230.1 Metallic materials - Rockwell hardness test - Part 1.Test methods

GB/T 231.1 Metallic materials – Brinell hardness test – Part 1.Test methods

GB/T 699 High-quality carbon structural steel

GB/T 825 Eye Bolts

GB/T 1184-1996 Geometric Tolerances - Tolerances Without Specified Values

GB/T 1299 Tool and Die Steel

GB/T 1804-2000 General tolerances - Tolerances for linear and angular dimensions without specified tolerances

GB/T 1958 Product Geometric Specification (GPS) - Geometric Tolerance Inspection and Verification

GB/T 3077 Alloy Structural Steel

GB/T 3177 Product Geometric Specification (GPS) - Inspection of Dimensions of Smooth Workpieces

GB/T 4678 (All Parts) Die Casting Mold Parts

GB/T 6403.5 Grinding wheel runout groove

GB/T 8845 Mold Terminology

GB/T 10610 Product Geometric Specification (GPS) - Rules and methods for evaluating surface structure using the surface structure profile method

GB/T 18254 High Carbon Chromium Bearing Steel

GB/T 34565.1 Hot work die steels – Part 1.Steels for die casting molds

The terms and definitions defined in GB/T 8845 apply to this document.

4 Technical Requirements

4.1 Materials and Heat Treatment

4.1.1

The materials selected for the parts shall conform to the technical standards of the corresponding grades. Recommended materials and heat treatment hardness are shown in Table 1.Permitted performance...

Materials with performance superior to those recommended in Table 1 or similar materials with comparable performance.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Cited by

Editions of GB/T 4679

Edition	Title	Revision	Status
GB/T 4679-2026	Die casting dies — Components — Technical specifications	current edition	Current
GB/T 4679-2017	Die casting dies — Components — Technical specifications	previous edition	In force until 1 February 2027

This page sells the current edition, GB/T 4679-2026. Earlier editions are listed for reference only.

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