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QC/T 269-2023 English PDF

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QC/T 269-2023: (Limit Deviation of Dimensions Without Tolerance Note for Automobile Casting Parts)
Status: Valid

QC/T 269: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
QC/T 269-2023English249 Add to Cart 3 days [Need to translate] (Limit Deviation of Dimensions Without Tolerance Note for Automobile Casting Parts) Valid QC/T 269-2023
QC/T 269-1999English245 Add to Cart 0--9 seconds. Auto-delivery Limit deviation of dimensions of automobile parts without tolerance indicated Obsolete QC/T 269-1999

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Basic data

Standard ID QC/T 269-2023 (QC/T269-2023)
Description (Translated English) (Limit Deviation of Dimensions Without Tolerance Note for Automobile Casting Parts)
Sector / Industry Automobile & Vehicle Industry Standard (Recommended)
Classification of Chinese Standard T04
Classification of International Standard 43.040
Word Count Estimation 12,141
Date of Issue 2023-04-21
Date of Implementation 2023-11-01
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the limit deviation of the dimensional elements formed by casting processing in the drawings of automotive product parts without tolerances noted. This standard applies to the limit deviations of unindicated tolerance dimensions of automotive product parts drawings for sand casting, metal mold casting, low-pressure casting, gravity casting, investment casting, and high-pressure casting.
QC/T 269-1999 AUTOMOBILE INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Replacing ZB T04 006.4-89 Limit deviation of dimensions of automobile parts without tolerance indicated APPROVED ON: MARCH 15, 1999 IMPLEMENTED ON: MARCH 15, 1999 Issued by: State Administration of Machinery Industry

Table of Contents

1 Subject content and scope of application ... 3  2 Normative references ... 3  3 Terminology ... 3  4 Limit deviation of casting dimensions without tolerance indicated ... 3  Additional information ... 6  Limit deviation of dimensions of automobile parts without tolerance indicated 1 Subject content and scope of application This standard specifies the limit deviation of dimensions without tolerances indicated, for dimension elements, which are formed by casting in automotive product parts drawings. This standard is applicable to the limit deviation of dimensions without tolerances indicated, for automotive product parts drawings of sand casting, metal casting, low- pressure casting, investment casting, pressure casting.

Normative References

GB/T 6414 Dimensional tolerances for castings 3 Terminology The maximum outline size of the casting (referred to as the maximum size): It refers to the maximum size of the geometry of the included part. 4 Limit deviation of casting dimensions without tolerance indicated 4.1 The limit deviation of sand casting dimensions, without tolerance indicated, shall be as specified in Table 1. 4.2 The limit deviation of dimensions of metal mold and low-pressure casting, without tolerance indicated, shall be as specified in Table 2. 4.3 The limit deviation of dimensions of investment casting, without tolerance indicated, shall be as specified in Table 3. 4.4 The limit deviation of die casting dimensions, without tolerance indicated, is as specified in Table 4. 4.5 The mis-box value, which is not indicated on the drawing, must be within the dimensional tolerance of the casting.

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Question 5: Should I purchase the latest version QC/T 269-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version QC/T 269-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.