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| Standard Insuued on: 2012-01 |
NB/T 20005.4-2012 Carbon Steel and Low Alloy Steel for Pressurized Water Reactor Nuclear Power Plants. Part 4: the Forged or Rolled Parts for Use in Steam Generator Main Steam Systems
压水堆核电厂用碳钢和低合金钢 第4部分：主蒸汽系统、主给水流量控制系统、辅助给水系统和汽轮机旁路系统用锻、轧件
| Category No.: | NB | Valid Status: | superseded |
| Issued Organization: | National Energy Administration | Issued Date: | 2012-01-06 |
| Implemented Date: | 2012-4-6 | Abolished Date: | |
| Superseded Standard.: | NB/T 20005.4-2019 Carbon steel and low alloy steel for pressurized water reactor nuclear power plants. Part 4: The forged or rolled parts for use in steam generator main steam systems|| feedwater flow control systems|| auxiliary feedwater systems and turbine bypass systems |
Superseded Date: | 2020-7-1 |
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GB 50745-2012
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