GB/T 1149.12-2013
AbolishedInternal combustion engines―Piston rings―Part 12: Half keystone rings made of steel
内燃机 活塞环 第12部分：楔形钢环
Application Summary AI generated
This standard specifies the dimensions, material requirements, and inspection criteria for half keystone piston rings made of steel, which are used in internal combustion engines. It is applied in the manufacturing and quality control of piston rings for automotive, marine, and industrial engine systems, ensuring proper sealing and reduced wear in high-temperature, high-pressure combustion environments. The standard is particularly relevant for engine designers and procurement professionals selecting rings for diesel or gasoline engines requiring enhanced durability.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.