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Database: 189759 (19 Oct 2025)
JB/T 11020-2010 English PDF
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JB/T 11020-2010
: Specification for low pressure rotor forging of steam turbine made of super-pure steel used for supercritical and ultra-supercritical units
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JB/T 11020-2010
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Specification for low pressure rotor forging of steam turbine made of super-pure steel used for supercritical and ultra-supercritical units
Valid
JB/T 11020-2010
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Basic data
Standard ID
JB/T 11020-2010 (JB/T11020-2010)
Description (Translated English)
Specification for low pressure rotor forging of steam turbine made of super-pure steel used for supercritical and ultra-supercritical units
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
J32
Classification of International Standard
77.145.85
Word Count Estimation
10,158
Date of Issue
2010-02-11
Date of Implementation
2010-07-01
Quoted Standard
GB/T 223.1; GB/T 223.2; GB/T 223.3; GB/T 223.4; GB/T 223.5; GB/T 223.6; GB/T 223.7; GB/T 223.8; GB/T 223.9; GB/T 223.10; GB/T 223.11; GB/T 223.12; GB/T 223.13; GB/T 223.14; GB/T 223.15; GB/T 223.16; 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 223.27; GB/T 223.28; GB/T 223.29; GB/T 223.30; GB/T 223.31; GB/T 223.32; GB/T 223.33; GB/T 223.34; GB/T 223.35; GB/T 223.36; GB/T 223.37; GB/T 223.38; GB/T 223.39; GB/T 223.40; GB/T 223.41; GB/T 223.42; GB/T 223.43; GB/T 223.44; GB/T 223.45; GB/T 223.46; GB/T 223.47; GB/T 223.48; GB/T 223.49; GB/T 223.50; GB/T 223.51; GB/T 223.52; GB/T 223.53; GB/T 223.54; GB/T 223.55; GB/T 223.56; GB/T 223.57; GB/T 223.58; GB/T 223.59; GB/T 2
Regulation (derived from)
?Industry-Science (2010) No.82; Industry Standard Filing Announcement 2010 No.5 (Total No.125)
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the supercritical and ultra supercritical steam turbine low pressure steam turbine rotor with ultra clean steel forgings ordering requirements, manufacturing process, technical requirements, inspection rules and test methods, inspection and quality certificate. This standard applies to supercritical and ultra-supercritical steam turbine units with a low-pressure rotor ordering ultra clean steel forgings, manufacturing and testing.