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JB/T 6012.4-2008 English PDF

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JB/T 6012.4-2008: Internal combustion engines. Intake and exhaust valves. Part 4: Friction welding valves. Ultrasonic testing
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 6012.4-2008English209 Add to Cart 3 days [Need to translate] Internal combustion engines. Intake and exhaust valves. Part 4: Friction welding valves. Ultrasonic testing Valid JB/T 6012.4-2008

PDF similar to JB/T 6012.4-2008


Standard similar to JB/T 6012.4-2008

GB/T 1859.1   GB/T 1859.2   JB/T 11880.1   JB/T 6012.5   JB/T 6012.3   JB/T 6012.2   

Basic data

Standard ID JB/T 6012.4-2008 (JB/T6012.4-2008)
Description (Translated English) Internal combustion engines. Intake and exhaust valves. Part 4: Friction welding valves. Ultrasonic testing
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J93
Classification of International Standard 27.020
Word Count Estimation 8,859
Date of Issue 2008-06-04
Date of Implementation 2008-11-01
Older Standard (superseded by this standard) JB/T 5093-1991
Quoted Standard GB/T 9445; GB/T 12604.1; JB/T 4008; JB/T 4009; JB/T 6012
Regulation (derived from) NDRC Notice No. 38 of 2008
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the direct longitudinal wave ultrasonic inspection bimetallic bar valve friction welding method of welding defects and evaluation criteria. This standard applies to less than 200mm diameter cylinder reciprocating piston internal combustion engine valve double metal friction welding rods are also available for valve semi-finished products when used with reference to ultrasonic testing.

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