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QC/T 283-2025: Automobile engine - Piston with ring carrier
Status: Valid QC/T 283: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| QC/T 283-2025 | English | 219 |
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Automobile engine - Piston with ring carrier
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QC/T 283-2025
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| QC/T 283-1999 | English | 319 |
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Technical specifications of wear-resisstant ringed piston for automotive engines
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QC/T 283-1999
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Basic data | Standard ID | QC/T 283-2025 (QC/T283-2025) | | Description (Translated English) | Automobile engine - Piston with ring carrier | | Sector / Industry | Automobile & Vehicle Industry Standard (Recommended) | | Classification of Chinese Standard | T12 | | Classification of International Standard | 43.060 | | Word Count Estimation | 10,152 | | Date of Issue | 2025-05-09 | | Date of Implementation | 2025-11-01 | | Older Standard (superseded by this standard) | QC/T 283-1999 | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China | QC/T 283-2025: Automobile engine - Piston with ring carrier---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/QCT283-2025
Automobile Industry Standards of the People's Republic of China
Replaces QC/T 283-1999
2025-05-09 Release
2025-11-01 Implementation
CCS T 12
ICS 43.060
Ministry of Industry and Information Technology of the People's Republic of China issued
Automobile engine piston with wear-resistant ring
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Piston type and parts name 1
5 Technical Requirements 2
6 Inspection Methods 4
7 Inspection Rules 4
8 Marking, packaging, transportation and storage 4
Figure 1 Piston type 1
Figure 2 Wear-resistant insert size 3
Table 1 Thickness deviation of upper and lower sides of wear-resistant insert 3
Table 2 Coaxiality requirements of wear-resistant inserts 4
Table of Contents
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces QC/T 283-1999 "Technical Specifications for Automobile Engine Pistons with Wear-Resistant Rings", except for structural adjustments and editorial changes.
In addition, the main technical changes are as follows.
a) The types of pistons with wear rings and the names of their parts have been changed (see Chapter 4, Chapter 3 of the.1999 edition);
b) The material requirements for piston bodies with wear rings have been changed (see 5.2.1, 4.2 of the.1999 edition);
c) Mechanical performance requirements have been changed (see 5.2.2, 4.3 of the.1999 edition);
d) The material requirements for wear-resistant inserts have been changed (see 5.2.3, 4.2.2 of the.1999 edition);
e) Deleted the thermal stability of the diameter of the piston head with heat treatment and wear-resistant ring (see 4.3 and 4.4 of the.1999 edition);
f) The requirements for surface defects have been changed (see 5.3, 4.6 of the.1999 edition);
g) The roughness requirements for the upper and lower sides of the wear ring groove have been changed (see 5.4.1, 4.7 of the.1999 edition).
h) Added the requirements for the size and position of wear-resistant inserts (see 5.5);
i) Changed the requirements for the bonding area ratio of wear rings on gasoline engine pistons and the length of single defects for compression ignition and gasoline engines.
Delete the overlap requirements for upper and lower side defects of non-supercharged and supercharged engines (see 5.6,.1999 edition)
4.10);
j) The maximum inclination value of the wear ring on the piston has been deleted (see 4.8.2 of the.1999 edition);
k) The provisions on test methods for flexural strength and elastic modulus have been deleted (see 5.3 of the.1999 edition);
l) Deleted the provisions on other test methods for pistons with wear rings (see 5.4 of the.1999 edition);
m) The provision that the physical properties and elastic modulus of materials are not included in the acceptance items for routine production has been deleted (see 6.1 of the.1999 edition);
n) The provisions on the tensile strength test method have been changed (see 6.2, 5.2 of the.1999 edition);
o) Added the requirements for volume stability test method (see 6.3);
p) The provisions on hardness test methods have been modified (see 6.4, 5.3 of the.1999 edition).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed and coordinated by the National Technical Committee for Standardization of Automotive Products (SAC/TC 114).
This document was drafted by. Binzhou Bohai Piston Co., Ltd., Fujian Huawei Juquan Precision Technology Co., Ltd., and Huaminnan Pipeline Group Co., Ltd.
Company, Hunan Jiangbin Machinery (Group) Co., Ltd., Ningbo Geely Luoyou Engine Parts Co., Ltd., Anhui Jialaiton Piston Auto Parts
Co., Ltd., Anqing Yade Dibo Piston Co., Ltd., Anhui Hengtai Power Technology Co., Ltd., Longkou Dachuan Piston Co., Ltd., Jinhua
Baolin Technology Co., Ltd., Qufu Jinhuang Piston Co., Ltd., FAW Jiefang Dalian Diesel Engine Co., Ltd., Shandong Binzhou Special
Alloy Co., Ltd., Binzhou Zhengdao Machinery Manufacturing Co., Ltd., Binzhou Yatai Yade Power Parts Co., Ltd., Binzhou Mengweislinger Ring Co., Ltd.
Co., Ltd., Anhui Anhuang Machinery Co., Ltd., and Binzhou Zhongshun Internal Combustion Engine Parts Co., Ltd.
The main drafters of this document are. Jiang Dianchang, Liu Shiying, Shi Xiaoming, Chen Xiuyu, Lin Kaijing, Chen Weidong, Yang Tianyu, Lin Tiejin, Wang Qiang, Tang Junlin,
Cui Guangpeng, Chen Miaoyong, Sun Guochen, Guo Xiying, Liang Zhoucun, Su Daosheng, Zhang Guofeng, Meng Xiangkui, Huang Changwen, Dong Guoen, Wu Yimin, Li Cheng, and Wang Jun.
The previous versions of this document and the documents it replaces are as follows.
--First released in 1989 as ZB T12 006-89;
--First revised in.1999 as QC/T 283-1999;
--This is the second revision.
Automobile engine piston with wear-resistant ring
1 Scope
This document specifies the terms and definitions, types and names of parts, technical requirements, inspection methods, etc. of cast aluminum pistons with wear-resistant rings for automobile engines.
Methods, inspection rules, marking, packaging, transportation and storage.
This document applies to the manufacture of cast aluminum pistons with wear-resistant rings for automobile engines with a cylinder diameter less than or equal to 160 mm.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
The version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.
GB/T 228.1 Tensile tests on metallic materials Part 1.Room temperature test methods
GB/T 230.1 Rockwell hardness test for metallic materials Part 1.Test method
GB/T 231.1 Metallic materials Brinell hardness test Part 1.Test method
GB/T 1148 Aluminum pistons for internal combustion engines
JB/T 10407-2015 Metallographic examination of austenitic cast iron rings for aluminum pistons in internal combustion engines
QC/T 275 Metallographic Standard for Automobile Engine Pistons with Wear-Resistant Rings
QC/T 552 Technical Specifications for Cast Aluminum Pistons for Automobile and Motorcycle Engines
3 Terms and Definitions
The terms and definitions defined in GB/T 1148 apply to this document.
4 Piston type and parts names
The type and parts names of the piston with wear-resistant ring (hereinafter referred to as "piston") are shown in Figure 1.The names of other parts are in accordance with GB/T 1148.
implement.
\u0014 \u0015
aU 7 bU. cU dU
Description of index number.
1--Piston body; 5--Lower side of wear-resistant insert;
2--wear-resistant inlay ring; 6--hidden surface;
3--Back side of wear-resistant insert; 7--Wear-resistant insert with cooling oil cavity;
4--Upper side of the wear-resistant ring; 8--Cooling oil chamber.
Figure 1 Piston type
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