标准4153中文翻译.docxVIP

Standard responsible (department acronym, name)UTDH Markku Backholm Standard responsible (department acronym, name) UTDH Markku Backholm Page PAGE \* MERGEFORMAT 2(62) Standard responsible (department acronym, name) Standard responsible (department acronym, name) UTDH Markku Backholm STD4153 Quenching and tempering steels and precipitation hardening steels 淬火和回火调质钢和沉淀硬化钢 Contents 目录 Page页码 Introduction介绍…………………………………… 2 Changes from previous issue之前发行号的变化2 1.Characteristics and applications特性及应用2 1.1 Quenching and tempering steels淬火和回火调质钢2 1.2 Precipitation hardening steels沉淀硬化钢4 2.Macro inclusions宏观夹杂物5 3.Austenite grain size奥氏体晶粒尺寸 5 4.Reduction factor折减系数 5 5.Requirements of hardenability可硬化行能力的要求5 6.Chemical composition化学成分 6 6.1 Quenching and tempering steels淬火和回火调钢...6 6.2 Precipitation hardening steels沉淀硬化钢8 7.Forms of supply供应形式 8 8.1 Mechanical properties力学特性9 9.Precipitation hardening steels沉淀硬化钢 16 10.Surface hardening表面硬化17 11. Fusion welding熔焊 18 12.Forging temperature铸件温度20 13.Heat treatment热处理 21 14.Hardening of different steel grades不同级别钢的硬化... 23 14.1 Hardening temperatures硬化温度24 14.2 Hardenability according to Jominy.. 25 根据顶端硬化性能力 14.3 Tempering diagram回火图 38 14.4 Diagram for isothermal transformation (TTT-diagram)等温转变图（TTT图） 54 15.Equivalent rectangular and circular sections for bars棒的等效矩形和圆形截面 59 16.Material indication on drawing材料显示在图纸上 60 17.Appurtenant documents附属文件 62 Introduction简介 Scania quenching and tempering steels and precipitation hardening steels deviate from standardized steels due to factors such as the requirements on macro inclusions, austenite grain size, reduction factor and forging temperature.Scania淬火和回火调质钢和沉淀硬化钢是偏离标准钢的，由于一些因素影响，比如说宏观夹杂物的要求、奥氏体晶粒尺寸，减少因素和锻造温度。 Changes from previous issue 之前发行号的变化 The standard has been revised and adapted to international standard when possible. Periodical up date.此标准已是修正版，通用于国际化标准，如有可能，也适用于定期更新的版本。 1 .Characteristics and applicatio