TBICS45.080S11中 华 人 民 共 和 国 铁 道 行 业 标 准TB/T 2345—2008 代替TB/T 2342.1～2342.4—1993,TB/T 2345—199343kg/m～75kg/m钢轨接头夹板订货技术条件Technical specifications for the procurement of 43kg/m~75kg/m as joint bar 2008-09-06发布 2008-12-01实施 发布中华人民共和国铁道部 TB/T2345－2008目次1范围 .....................................................................12规范性引用文件 ...............................................................l3型式尺寸及允许偏差 ...........................................................24技术要求 .....................................................................74.1钢材牌号和化学成分 .........................................................74.2制造方法 ...................................................................74.3力学性能 ...................................................................74.4低倍组织 ...................................................................84.5脱碳层 .....................................................................84.6非金属夹杂物 ...............................................................84.7表面质量 ...................................................................85试验方法 .....................................................................86检验规则 .....................................................................86.1检查和验收 .................................................................86.2组批规则 ...................................................................86.3取样 .....................................................................86.4复验和判定规则 .............................................................97包装、标志和质量证明书 .......................................................9附录A(规范性附录)钢轨接头夹板量规..............................................10图l 43 kg/m接头夹板的型式尺寸..................................................2图2 50 kg/m接头夹板的型式尺寸..................................................3图3 60 kg/m接头夹板的型式尺寸..................................................4图4 75 kg/m接头夹板的型式尺寸..................................................5图A.1钢轨接头夹板主要尺寸示意图...............................................10图A.2钢轨接头夹板贴轨高度量规.................................................10图A.3钢轨接头夹板腰部厚度量规.................................................11图A.4钢轨接头夹板两头厚度量规.................................................ll图A.5钢轨接头夹板螺栓孔的直径量规.............................................11图A.6钢轨接头夹板的螺栓孔高度位置量规.........................................12图A.7钢轨接头夹板与钢轨接触面斜度量规.........................................12图A.8钢轨接头夹板螺旋孔距端部距离量规.........................................13图A.9钢轨接头夹板其他螺栓孔距第一个螺栓孔距离量规.............................13I TB/T2345－2008前言本标准代替 TB/T 2342.1—1993《43 kg/m钢轨用接头夹板型式尺寸》、TB/T2342.2－1993《50kg/m钢轨用接头夹板型式尺寸》、TB/T2342.3—1993《60kg/m 钢轨用接头夹板型式尺寸》、TB/T2342.4