Standard No.:	JB/T 12139-2015/XG1-2017
English Name:	LP integral rotor forgings of steam turbine for heavy nuclear power plant-Technical specification, includes Amendment 1
Chinese Name:	《大型核电机组汽轮机整锻低压转子锻件 技术条件》行业标准第1号修改单
Professional Classification:	JB    Professional Standard - Machinery
Source Content Issued by:	Ministry of Industry and Information Technology
Issued on:	2015-4-30
Implemented on:	2017-11-7
Status:	valid
Superseding:	JB/T 12139-2015 LP integral rotor forgings of steam turbine for heavy nuclear power plant-Technical specification
Target Language:	English
File Format:	PDF
Word Count:	7500 words
Translation Price(USD):	300.0
Delivery:	via email in 1~3 business day

本标准规定了1000MW等级核电汽轮机用30Cr2Ni4MoV合金钢整锻低压转子锻件的前期认可和首件认证、订货要求、制造工艺、技术要求、检验规则和试验方法、记录、验收及质量证明书等。本标准适用于1000MW等级半转速四级核电汽轮机、经粗加工和性能热处理的30Cr2Ni4MoV合金钢整锻低压转子锻件的订货、制造、检查和验收。