GB/T 36163-2018 in English
VALIDAlloy steel plate for nuclear power plants
- Issued on:2018-05-14
- Implemented on:2019-02-01
- File Format:PDF
- Delivery:Via email within 5 business days
$359.00
《GB/T 36163-2018核电站用合金钢钢板》由TC183(全国钢标准化技术委员会)归口,TC183SC6(全国钢标准化技术委员会钢板钢带分会)执行,主管部门为中国钢铁工业协会。
Introduction
Analysis of the standard framework of alloy steel plates for nuclear power plants
GB/T 36163-2018 specifies the full life cycle technical requirements for alloy steel plates for nuclear power plants with a thickness of 6~200mm, including six major grade systems from Q330HD to Q450HD2. This standard was formulated by Ansteel Co., Ltd. and integrates the technical requirements of international standards such as ASME and RCC-M.
Comparative Analysis of Key Performance Indicators
| Grade | Yield Strength (MPa) | Carbon Equivalent Requirement | Impact Temperature (℃) | RTNDT Requirement |
|---|---|---|---|---|
| Q330HD | ≥330 | Agreement Requirement | -20 | - |
| Q400HD | ≥400 | ≤0.43 | -40 | ≤-13 |
| Q450HD2 | ≥450 | ≤0.48 | -60 | ≤-18 |
Typical Application Case
The containment of an AP1000 unit uses Q345HDZ35 steel plate, which must meet the following requirements: section shrinkage in thickness direction ≥35%, S content controlled below 0.008% after vacuum degassing treatment, and ultrasonic testing accepted according to NB/T 20003.2 Class I.
Key points for the implementation of special technical requirements
- Simulated post weld heat treatment (SPWHT): The holding temperature deviation is strictly controlled at ±5℃
- Residual element control: The total content of 11 elements such as As and Sn is ≤0.05%
- Non-destructive testing: 100% ultrasonic testing + optional additional magnetic particle testing
Background of standard evolution
Compared with the 2005 version, the 2018 version has been revised mainly: adding the Q450HD series of grades, refining the RTNDT determination method, and strengthening the thickness direction performance requirements. Maintain technical coordination with the RCC-M M2111 standard.

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