欢迎来到天天文库
浏览记录
ID:62222302
大小:41.40 KB
页数:5页
时间:2021-04-21
《轨道规格型号.docx》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、______________________________________________________________________________________________________________轻轨(1)尺寸规格见表133。(2)牌号和化学成分见表134。(3)力学性能见表135。表133轻轨的尺寸规格截面面理论质长度允许偏截面尺寸积A/c量W(kg截面特性参数长度/m差/mmm2/m)项目轨型k轨高底宽头宽头高腰高底高腰厚重心位置惯性矩截面系数回转半径g/mABCDEFtC/eme/emI/cm4z/cm3i/em
2、mm963.5063.5032.1017.4825.7210.305.9011.398.943.093.2662.4119.102.335~7±181269.8569.8538.1019.8537.7012.307.5415.5412.203.403.5998.8227.602.516~101579.3779.3742.8622.2243.6513.508.3319.3315.203.894.05156.1038.602.836~10±182293.6693.6650.8026.9950.0016.6710.7228.3922.304.524
3、.85339.0069.603.457~10±1030107.95107.9560.3330.9557.5519.4512.3038.3230.105.215.59606.00108.003.98-可编辑修改-______________________________________________________________________________________________________________注:1.理论质量按密度为7.85g/cm3计算。2.长度尺寸系列:5.0m、5.5m、6.0m、6.5m、7.0m、7
4、.5m、8.0m、8.5m、9m、9.5m、10.0m。表134轻轨的牌号和化学成分型号kg/化学成分(质量分数)(%)钢类牌号mCSiMnPSChCr50Q≤120.35~0.600.15~0.35≥0.40≤0.045≤0.050≤0.40碳素钢55Q≤300.50~0.600.15~0.350.60~0.90≤0.045≤0.050≤0.4045SiMnP≤120.35~0.550.50~0.800.60~1.00≤0.12≤0.050≤0.40低合金钢60siMnP≤300.45~0.580.50~0.800.60~1.00≤0.12
5、≤0.050≤0.4036CuCrP15~300.31~0.420.50~0.800.60~1.000.02~0.06≤0.0400.10~0.300.80~1.20表135轻轨的力学性能布氏硬抗拉强度ó牌号型号(kg/m)抗拉强度ób/MPa落锤试验牌号型号(kg/m)布氏硬度HBS落锤试验度HBSb/MPa50Q≤1250siMnP≤12-可编辑修改-_______________________________________________________________________________________________
6、_______________≤1215~30≥685≥197不断不裂55Q15~30≥685≥197不断不裂36CuCrP15~30≥785≥220不断不裂45SiMnP≤12铁路用重轨(1)尺寸规格:表130。表130铁路钢轨的尺寸规格38134114681349.538.733483.739967.902431401147014.557.044.653557.6901115.853451451266714.5501521327015.565.851.514643.4291287.354601761507316.577.4560.6475
7、7.4091515.409-可编辑修改-______________________________________________________________________________________________________________(2)牌号和化学成分见表131。表131铁路钢轨的牌号和化学成分化学成分(质量分数)(%)牌号CSiMnCuS≤P≤U710.64~0.770.13~0.280.60~0.900.0500.040U740.67~0.800.13~0.280.70~1.000.0500.040U71Cu0
8、.65~0.770.15~0.300.70~1.000.10~0.400.0500.040U71Mn0.65~0.770.15~0.351.10~1.500.040
此文档下载收益归作者所有