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boiler manufacture
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  “boiler manufacture”译为未确定词的双语例句
    Roll Machine can bend metal plate to a special shape, such as column, cone, camber and so on, which is widely applied to boiler manufacture, shipbuilding, chemical industry and machine manufacture.
    卷板机是一种将金属板料弯卷成筒体、锥体、曲面体或其他形体的一种专用锻压机械设备,广泛用于锅炉、造船、化工、金属结构及机械制造行业。
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  boiler manufacture
The chemical dosing pump set shall be supplied by the boiler manufacture or equal approved.
      


Presented in the paper is a detailed description concerning the application of both seamless steel tubes and welded steel tubes in various fields such as machine building,automobile industry,construction,boiler manufacture,petro/natural gas pipeline and oil-field,etc.

详细介绍了无缝钢管和电焊钢管在机械、汽车、建筑、锅炉、石油天然气输送管线及石油钻采等方面的使用情况。

Mechanical properties,microstructure and heat treatment of E911 steel tube with a size of 159mm×27mm produced by Germany Vallourec & Mannesmann company were tested.The results show that E911 steel tube normalized at 1040℃ for 0.5 hour and tempered at 790℃ for 1 hour,the mechanical properties are better than these in original one,and after long time ageing at 650℃ its tensile properties at room temperature and at high temperature are both better than that of steel T91 and could be in stead of TP304H,TP321H and...

Mechanical properties,microstructure and heat treatment of E911 steel tube with a size of 159mm×27mm produced by Germany Vallourec & Mannesmann company were tested.The results show that E911 steel tube normalized at 1040℃ for 0.5 hour and tempered at 790℃ for 1 hour,the mechanical properties are better than these in original one,and after long time ageing at 650℃ its tensile properties at room temperature and at high temperature are both better than that of steel T91 and could be in stead of TP304H,TP321H and TP347H stainless steel tube,so the dissimilar steel welding problem could be solved in boiler manufacture and the cost could be reduced too.

对德国Vallourec&Mannesmann公司生产的15 9mm× 2 7mm的E911钢管进行了力学性能测试、金相组织工艺和热处理试验。结果表明 ,E911钢经 10 4 0℃× 0 .5h正火 +790℃× 1h回火热处理后 ,其力学性能比其供货状态的要好得多 ,并且经6 5 0℃× 30 0 0h长时间时效后 ,E911钢管的常温性能、高温性能都比同样条件下T91钢要好得多 ,完全可以代替TP30 4H、TP32 1H和TP347H不锈钢管 ,可解决异种钢焊接问题 ,并可降低锅炉的制造成本

In order to solve the qualitative problems on 25Cr2MoV steel bolt fasteners applied in boilers manufacturing caused by strength and hardness,we carried out a research on the effect of quenching and tempering temperatures on the mechanical property of bolt fasteners and the microstructure of the fasteners quenched and tempered were analyzed by SEM,TEM and OM.The results showed not only the mechanical property reach the standard,but also a satisfactory product quality was obtained as the steel heated at...

In order to solve the qualitative problems on 25Cr2MoV steel bolt fasteners applied in boilers manufacturing caused by strength and hardness,we carried out a research on the effect of quenching and tempering temperatures on the mechanical property of bolt fasteners and the microstructure of the fasteners quenched and tempered were analyzed by SEM,TEM and OM.The results showed not only the mechanical property reach the standard,but also a satisfactory product quality was obtained as the steel heated at 960℃ for 30min then oil cooled and heated at 660℃ for 6h then air cooled.

针对锅炉制造业中使用的 2 5Cr2MoV钢螺检紧固件在生产中因强度和硬度不合格而影响产品质量问题 ,探讨了淬火温度和回火温度对 2 5Cr2MoV钢力学性能的影响 ,并借助于SEM、TEM和OM对不同淬火和回火后钢的组织进行了分析。结果表明 ,采用 96 0℃× 30min油冷 +6 6 0℃× 6h空冷的热处理工艺 ,不仅钢的力学性能达到标准 ,而且产品质量也令人满意

 
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