JB/T 9179.4-2013 English PDF

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JB/T 9179.4-2013: Machining allowances and tolerances of open die forgings on hydraulic press. Part 4: Disk and punched hole
Status: Valid

JB/T 9179.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 9179.4-2013	189	Add to Cart	3 days	Machining allowances and tolerances of open die forgings on hydraulic press. Part 4: Disk and punched hole	Valid
JB/T 9179.4-1999	199	Add to Cart	2 days	Machining allowance and tolerancd of open die forgings on hydraulic press. Disk and punched hole	Obsolete

Similar standards

JB/T 6401   GB/T 12362   GB/T 12361   JB/T 9179.2   JB/T 9179.3   JB/T 9179.1   

Basic data

Standard ID: JB/T 9179.4-2013 (JB/T9179.4-2013)
Description (Translated English): Machining allowances and tolerances of open die forgings on hydraulic press. Part 4: Disk and punched hole
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J32
Classification of International Standard: 77.140.85
Word Count Estimation: 7,717
Older Standard (superseded by this standard): JB/T 9179.4-1999
Quoted Standard: JB/T 9179.1-2013
Regulation (derived from): Ministry of Industry and Information Technology Bulletin No. 71 of 2013
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the free forging hydraulic disc and punching class steel forgings and tolerance margin. This standard applies to parts of the height (or thickness) of not less than the diameter of the perforated disc parts steel forgings, as well

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