精密无缝钢管的特点及允许尺寸偏差
作者: 发布于:2018/7/25 23:33:51 点击量:
下面介绍一下精密无缝钢管的特点及允许尺寸偏差:
一、精密无缝钢管的特点
1.外径更小。更精密。
2.精度高,表面光亮。
3.冷拔成品精度高,表面质量好。
4.钢管性能更优越,金属比较密。
二、精密无缝钢管允许的偏差幅度
10#0.07~0.130.17~0.370.35~0.65≤0.035≤0.035
20#0.17~0.230.17~0.370.35~0.65≤0.035≤0.035
35#0.32~0.390.17~0.370.35~0.65≤0.035≤0.035
45#0.42~0.500.17~0.370.50~0.80≤0.035≤0.035
40cr0.37~0.440.17~0.370.50~0.80≤0.035≤0.0350.08~1.10
25Mn0.22~0.20.17~0.370.70~1.00≤0.035≤0.035≤0.25
37Mn50.30~0.390.15~0.301.20~1.50≤0.015≤0.020
本文链接:http://www.rssjyp.com/content/?95.html