汽车拖拉机用调质钢--qsf999的安全生产小屋

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汽车拖拉机用调质钢 | 2012-3-9 16:14:00

汽车拖拉机用调质钢

对调质钢主要要求是钢的淬透性。调质钢为含碳量0.30-0.60%的中碳碳结钢和合金结构钢。一般在调质状态下使用，也有再经高频感应加热表面淬火，提高表面硬度，用以制造在重载荷和冲击条件下工作的耐磨件。常用钢号有：30、35、40、45、50制造螺母、螺栓及各类轴；30Mn、40Mn、45Mn、35Mn2、45Mn2制造重要螺母、螺栓、支重轮轴和导向轮轴；30Cr、40Cr、45Cr制造转向齿轮轴、传动齿轮等。35CrMo、42CrMo制造重型汽车曲轴及连杆等。

By:qsf999 | 阅读全文 | 回复(18) | 引用通告 | 编辑

Re:在漫画中识别身边的违章 | 2016-10-23 1:58:25

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By:avmqu(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 21:07:45

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By:kacfj(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 21:03:35

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By:aejlp(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 15:00:40

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By:gwbdg(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 12:45:19

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By:xbfjn(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-22 12:14:13

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By:zxprv(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-21 12:54:39

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By:kulps(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-20 8:08:14

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Re:在漫画中识别身边的违章 | 2016-10-18 0:56:11

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By:mbgad(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-17 10:54:15

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Re:在漫画中识别身边的违章 | 2016-10-16 23:17:53

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By:vnqsw(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-16 4:13:48

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By:kceil(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-14 14:59:21

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By:jlqsw(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

原创 | 2016-9-30 15:52:08

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By:原创(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

原创 | 2016-9-28 21:09:12

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原创 | 2016-9-6 21:34:51

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