JB/T 6440-2008 English PDF

US$649.00 · In stock
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JB/T 6440-2008: Methods of radiographic examination for steel castings valves
Status: Valid

JB/T 6440: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 6440-2008	649	Add to Cart	5 days	Methods of radiographic examination for steel castings valves	Valid
JB/T 6440-1992	599	Add to Cart	4 days	(Pressure valve castings Radiographic examination)	Obsolete

Similar standards

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Basic data

Standard ID: JB/T 6440-2008 (JB/T6440-2008)
Description (Translated English): Methods of radiographic examination for steel castings valves
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J16
Classification of International Standard: 23.060.01
Word Count Estimation: 25,260
Date of Issue: 2008-02-01
Date of Implementation: 2008-07-01
Older Standard (superseded by this standard): JB/T 6440-1992
Quoted Standard: GB 11533-1989; GB 16357-1996; GB 18465-2001; GB 18871-2002; JB/T 7902-2006; JB/T 7903-1999
Regulation (derived from): NDRC Notice No. 11 of 2008
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the carbon steel, alloy steel, stainless steel casting valve pressure X-ray and ��-ray radiographic examination of the general requirements, specific requirements, radiographs defect classification and assessment methods, inspection requirements, inspection records and film radiography system The performance index, radiographic focus detection site to determine the radiation source to steel castings minimum distance (f) the method, the black meter regularly checking methods, focus size calculation method, special IQI types and specifications, lap marks placement. This standard applies to the valve pressure castings (hereinafter referred to as castings) radiographic inspection. Supporting pipe fittings, flanges and other pressure castings ray detector may also refer to this standard.

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