JB/T 12139-2015 English PDF

US$329.00 · In stock
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JB/T 12139-2015: LP integral rotor forgings of steam turbine for heavy nuclear power plant. Technical specification [including 2017XG1]
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JB/T 12139-2015	329	Add to Cart	3 days	LP integral rotor forgings of steam turbine for heavy nuclear power plant. Technical specification [including 2017XG1]	Valid

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Basic data

Standard ID: JB/T 12139-2015 (JB/T12139-2015)
Description (Translated English): LP integral rotor forgings of steam turbine for heavy nuclear power plant. Technical specification [including 2017XG1]
Sector / Industry: Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard: J32
Classification of International Standard: 77.140.85
Word Count Estimation: 14,158
Date of Issue: 2015-04-30
Date of Implementation: 2015-10-01
Quoted Standard: GB/T 223.11; GB/T 223.12; GB/T 223.13; GB/T 223.14; GB/T 223.17; GB/T 223.18; GB/T 223.19; GB/T 223.20; GB/T 223.21; GB/T 223.22; GB/T 223.23; GB/T 223.24; GB/T 223.25; GB/T 223.26; GB/T 223.28; GB/T 223.29; GB/T 223.30; GB/T 223.31; GB/T 223.3; GB/T 223.
Regulation (derived from): Ministry of Industry and Information Technology Announcement (2015 No. 28)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the preliminary approval and first-piece certification, ordering requirements, manufacturing process, technical requirements, inspection rules and test methods, records, acceptance and quality certificates for 30Cr2Ni4MoV alloy steel forging low-pressure rotor forgings for 1 000 MW nuclear power turbine grades. . This standard applies to ordering, manufacturing, inspection and acceptance of 1 000 MW class half-speed four-level nuclear power turbines, 30Cr2Ni4MoV alloy steel forgings and low-pressure rotor forgings subjected to rough machining and heat treatment.

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