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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YY 9706.231-2023 |
Medical electrical equipment - Part 2-31: Particular requirements for basic safety and essential performance of external cardiac pacemakers with internal power supply {译} 医用电气设备 第2-31部分：带内部电源的体外心脏起搏器的基本安全和基本性能专用要求 |
China Pharmaceutics Industry
Standards 31: |
 English PDF |
| NB/T 20009.31-2017 |
(Welding materials for PWR nuclear power plants - Part 31: Safety grade equipment - Welds and fluxes for stainless steel surfacing) 压水堆核电厂用焊接材料 第31部分：安全级设备不锈钢堆焊用焊带和焊剂 |
China Energy industry
Standards 31: |
English PDF |
| NB/T 20008.31-2017 |
(Other materials for PWR nuclear power plants - Part 31: NS3105 alloy rods for safety equipment) 压水堆核电厂用其他材料 第31部分：安全级设备用ns3105合金棒 |
China Energy industry
Standards 31: |
English PDF |
| NB/T 20007.31-2015 |
Stainless steel for pressurized water reactor nuclear power plants - Part 31: 022Cr19Ni10 stainless steel forgings used for containment vessel 压水堆核电厂用不锈钢 第31部分：安全壳用022cr19ni10不锈钢锻件 |
China Energy industry
Standards 31: |
English PDF |
| NB/T 20006.31-2015 |
Alloy steel for pressurized water reactor nuclear power plants - Part 31: 10MnNiMo steel plates for contaiment vessel 压水堆核电厂用合金钢 第31部分:安全壳用10MnNiMoHR钢板 |
China Energy industry
Standards 31: |
English PDF |
| NB/T 20005.31-2015 |
Carbon steel and low alloy steel for pressurized water reactor nuclear power plants - Part 31: 15Mn forgings for containment vessel 压水堆核电厂用碳钢和低合金钢 第31部分：安全壳用15mn锻件 |
China Energy industry
Standards 31: |
English PDF |
| TB/T 3212.3-2009 |
Metallographic atlas for metallographic microstructure examination of low alloy cast steel for rolling stock. Part 31:Grades E cast steel 机车车辆用低合金铸钢金相组织检验图谱 第3部分：e级铸钢 |
China Railway & Train
Standards 31: |
English PDF |
| DL/T 502.31-2006 |
Analytical methods of steam and water in power plants. Part 31: Determination of stability index 火力发电厂水汽分析方法 第31部分: 安定性指数的测定 |
China Electricity & Power
Standards 31: |
English PDF |
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