JB/T 2122-1977 English PDF

US$519.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
JB/T 2122-1977: Metallographic specifications for malleable ferritic cast iron
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 2122-1977	519	Add to Cart	4 days	Metallographic specifications for malleable ferritic cast iron	Obsolete

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Basic data

Standard ID: JB/T 2122-1977 (JB/T2122-1977)
Description (Translated English): Metallographic specifications for malleable ferritic cast iron
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J31
Word Count Estimation: 13,129
Date of Implementation: 10/1/1977
Regulation (derived from): Industry-Science (2010) No. 77
Summary: This standard malleable iron ferrite microstructure grading standards. This standard is used to guide the production, process improvements, and improve quality. When the test rod casting defects or due to other reasons can not press the GB 978-67 "silver iron castings can be classified and technical conditions" as the basis for assessment of the quality, the production and use of department agreed after allowing according to the selected microstructure as acceptance conditions.

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