T/CICEIA /CAMS22-2021 Active Group standards

T/CICEIA /CAMS22-2021 Internal combustion engine powder metallurgy valve seat product quality grading specification

Publish Date: 2021-02-08 Implement Date: 2021-02-28 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: T/CICEIA /CAMS22-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Mechanical

ICS Name: Internal combustion engine

Publish Date: 2021-02-08

Implement Date: 2021-02-28

Scope

Scope: This standard specifies the quality indicators, inspection methods, and inspection rules for three grades of powder metallurgy valve seats for internal combustion engines: Grade 1, Grade 2, and Grade 3. This standard applies to the inspection and evaluation of the quality grading of insert-type powder metallurgy valve seats (hereinafter referred to as powder metallurgy valve seats) for reciprocating piston internal combustion engines with a cylinder diameter of less than or equal to 200 mm. Main technical content: This standard specifies the quality indicators, inspection methods, and inspection rules for three grades of powder metallurgy valve seats for internal combustion engines: Grade 1, Grade 2, and Grade 3. This standard applies to the inspection and evaluation of the quality grading of insert-type powder metallurgy valve seats (hereinafter referred to as powder metallurgy valve seats) for reciprocating piston internal combustion engines with a cylinder diameter of less than or equal to 200 mm. For specific technical content, please refer to the standard text.