介绍了铬钼钢的高浓度渗碳试验。
The high carbon concentration carburization for Cr-Mo steel was introduced.
码厚四十八毫米拉伸铬钼钢完全环绕司机和领航员。
Yards of thick 48mm tensile chrome-moly steel completely surround driver and co-driver.
亚硝酸盐铬钼钢曲轴保证了最佳的拉伸强度和表面的长期运作的硬度。
The nitrite chrome-molybdenum steel crankshaft guarantees the best tensile strength and surface hardness for long-time operation.
阀门主体材质有铸铁、球铁、碳钢、合金钢、不锈钢、铬钼钢等材质。
Valve of the main materials are cast iron, ductile iron, carbon steel, alloy steel, stainless steel, chrome molybdenum steel, and other materials.
铬钢和铬钼钢表面局部缺陷焊补可采用A402焊条补焊，不需处理。
For those local surface defects on chrome steel and chrome-molybdenum steel, welding rod A402 may be used for repairing, no other treatment is necessary.
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。
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.
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。
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.
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 effect of postwelding heat treatment on property of pressure equipment made of Cr-Mo steel has been interpreted thorough some research and practical examples.
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.
对铬镍钼钢强度、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。
In this paper regression analyses for the relations between strength and hardness of chrome - Nickel - Molybdenum steel are carried out, the relevant formulas of the regression relations are set up.
对铬镍钼钢强度、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。
In this paper regression analyses for the relations between strength and hardness of chrome - Nickel - Molybdenum steel are carried out, the relevant formulas of the regression relations are set up.
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