Valve of the main materials are cast iron, ductile iron, carbon steel, alloy steel, stainless steel, chrome molybdenum steel, and other materials.
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。
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.
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。
The nitrite chrome-molybdenum steel crankshaft guarantees the best tensile strength and surface hardness for long-time operation.
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。
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。
The cabin area utilizes a 4130 chrome-moly (chromium-molybdenum) welded steel tube frame top assembly.
该舱区采用了4130铬钼（铬钼）焊接钢管架顶部大会。
The cabin area utilizes a 4130 chrome-moly (chromium-molybdenum) welded steel tube frame top assembly.
该舱区采用了4130铬钼（铬钼）焊接钢管架顶部大会。
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