The effect of postwelding heat treatment on property of pressure equipment made of Cr-Mo steel has been interpreted thorough some research and practical examples.
前言： 通过一些试验研究和工程实例，介绍采用铬钼钢制造的承压设备，经热处理后对钢材性能的影响。
The Zinc and Aluminum anode protector can prevent the Cr-Mo steel from corrosion. However, it has the obvious effect of accelerating the crack propagation.
采用锌阳极和铝阳极的防止腐蚀方法虽能防止铬钼钢腐蚀，但对其裂纹的扩展起明显的加速作用。
Synopsis Regression analysis has been conducted on the relationship between the strength and hardness of Cr-Mo steel and the regression formula accordingly set up.
对铬钼钢强、硬度之间的关系进行了回归分析，建立了相应的回归关系式。
The high carbon concentration carburization for Cr-Mo steel was introduced.
介绍了铬钼钢的高浓度渗碳试验。
The article based on fabrication process of the pre-heater which is the equipment of hydrogen manufacturing unit, and the forming of Cr-Mo steel coil and welding gasket was analyzed.
通过制氢装置中的设备——原料预热器的制作，介绍了铬钼钢螺旋盘管和焊接垫片的成型及焊接、无损检测等工艺过程，实现了此类产品的国产化，并为类似产品的制造提供了借鉴。
The article based on fabrication process of the pre-heater which is the equipment of hydrogen manufacturing unit, and the forming of Cr-Mo steel coil and welding gasket was analyzed.
通过制氢装置中的设备——原料预热器的制作，介绍了铬钼钢螺旋盘管和焊接垫片的成型及焊接、无损检测等工艺过程，实现了此类产品的国产化，并为类似产品的制造提供了借鉴。
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