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Standard Insuued on: 2017-02

NB/T 20009.30-2017    Welding material for pressurized water reactor power plants-Part 30:Low alloy steel welding wires and fluxes for submerged arc welding of safty class 1 components
压水堆核电厂用焊接材料 第30部分:安全1级设备埋弧焊用低合金钢焊丝和焊剂
Category No.:NB Valid Status:superseded
Issued Organization:National Energy Administration Issued Date:2017-02-10
Implemented Date:2017-7-1 Abolished Date:
Superseded Standard.:NB/T 20009.10-2021 Welding materials for pressurized water reactor nuclear power plants. Part 10:Low alloy steelwelding wire and flux for submerged arc welding
Superseded Date:2022-3-22
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