ICS 45 .040snST B中 华 人 民 共 和 国 铁 道 行 业 标 准TB/ T 3093-2004铁路机车用合金钢车轴轴坯 订货技术条件Specification for shaft blanks on alloy steel axle in railway loc omotive of order2004-04-22 发布2004-11-01 实施中 华 少味民 共 和 国 铁 道 部发布T B/ T 3093-2004目次前言 ··········································································································⋯⋯ n1范围 · 12规范性引用文件 ········································· ······ ············ ··· ······························⋯⋯ 13代号 · 14 尺寸、外形、重量及允许偏差 ················································································⋯⋯‘24 .1尺寸及允许偏差 ································，···························································⋯ ⋯ 24 .2外形 ·. 24 .3重量 ·. 25技术要求 ·········································································································⋯⋯ 35 .1化学成分 ····························，·········· ······························································⋯⋯ 35 .2制造要求 ······································································································⋯⋯ 35 .3交货状态 ······································································································⋯⋯ 35 .4力学性能 ·································································· ········ ······ ···················⋯⋯ 35 .5低倍组织 ············································· ············· ·····································，····⋯⋯ 45 .6非金属夹杂物 ·································，·，····························································⋯⋯ 45 .7晶 粒 度 ······································.
