GB/T 42124.3-2025 Active National standards

GB/T 42124.3-2025 Geometrical product specifications(GPS)—Dimensional and geometrical tolerances for moulded parts—Part 3:General dimensional and geometrical tolerances and machining allowances for castings

GB/T 42124.3-2025 Geometrical product specifications(GPS)—Dimensional and geometrical tolerances for moulded parts—Part 3:General dimensional and geometrical tolerances and machining allowances for castings

Publish Date: 2025-05-30 Implement Date: 2025-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 42124.3-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Casting

ICS Name: Limits and coordination

Publish Date: 2025-05-30

Implement Date: 2025-12-01

Pages: 48 pages

Scope

This document specifies the parting slope of castings, the value of the parting slope, the tolerance grade, the misalignment of the casting box, the wall thickness tolerance, the machining allowance, the marking on the drawing, and the requirements for rejecting castings.
This document is applicable to castings produced by various casting processes using +/- dimensional tolerance markings.

Development Information

Word Count: 69 Thousand words Pages: 48 pages

Replace the following standards

GB/T 6414-2017 Castings—Dimensional tolerances and geometrical tolerances and machining allowances

Referenced Standards

GB/T 131-1993 Mechanical drawings—Surface roughness symbols and methods of indicating GB/T 131-2006 Geometrical Product Specifications (GPS)—Indication of Surface texture in technical Product documentation GB/T 1182-1996 Geometrical tolerancing—Generalities, definitions, symbols, indications on drawings GB/T 1182-2008 Geometrical Product Specifications(GPS)—Geometrical tolerancing—Tolerances of form, orientation, location and run-out GB/T 1182-2018 Geometrical product specifications(GPS)—Geometrical tolerancing—Tolerances of form,orientation,location and run-out GB/T 4458.4-2003 Mechanical drawings—Dimensioning GB/T 5611-1998 Foundry terminology GB/T 5611-2017 Foundry terminology GB/T 24744-2009 Geometrical product specifications (GPS)—Drawing indications for moulded parts in technical product documentation (TPD) GB/T 42124.1-2022 Geometrical product specifications (GPS)—Dimensional and geometrical tolerances for moulded parts—Part 1:Vocabulary ISO 21920-1 GB/Z 131-2025 Sharing economy—General trustworthiness and safety requirements for digital platform

Adopt standards

ISO 8062-3:2023

Related Standards

GB/T 11334-1989 Replaced

GB/T 11334-1989 Cone tolerance

Publish Date: 1989-04-21

GB/T 12360-1990 Replaced

GB/T 12360-1990 Cone fit

Publish Date: 1990-06-14

GB/T 1182-1996 Replaced

GB/T 1182-1996 Geometrical tolerancing—Generalities, definitions, symbols, indications on drawings

Publish Date: 1996-12-18

GB/T 1184-1996 Active

GB/T 1184-1996 Geometrical tolerancing—Geometrical tolerance for features without individual tolerance indications

Publish Date: 1996-12-18

GB/T 16671-1996 Replaced

GB/T 16671-1996 Geometrical tolerancing—Maximum material requirement, least material requirement and reciprocity requirement

Publish Date: 1996-12-18

GB/T 4249-1996 Replaced

GB/T 4249-1996 Tolerancing principle

Publish Date: 1996-12-18