P122 steel has high thermal stability, can meet the requirements of high temperature and highpressure steam for 1000mw ultra supercritical units, but has poor weldability.
P 122钢具有较高的热稳定性，满足1000 MW超超临界机组高温高压蒸汽的要求，但是其可焊性较差。
2
This paper introduces the features of the design and distribution of highpressure water supply pipeline in sub-critical units of Datang Yuncheng Power Plant in Shanxi province.
详细介绍了山西大唐运城发电厂亚临界机组高压给水管道设计及布置的特点。
3
The units are built in accordance with IP 68 and are thus waterproof up to 3 bar and resistant to high-pressure cleaning methods as well as temperature and climate fluctuations (IP 69k).