国内阀门材料常用技术标准 钛及钛合金棒材尺寸允许偏差
直径或截面厚度 | 允许偏差 | ||
热锻造或挤压棒 | 热轧棒 | 车(磨)光棒、冷轧或冷拉棒 | |
>7~15 | ±1.0 |
+0.6 -0.5 |
±0.3 |
>15~25 | ±1.5 |
+0.7 -0.5 |
±0.4 |
>25~40 | ±2.0 |
+1.2 -0.5 |
±0.5 |
>40~60 | ±2.5 |
+1.5 -1.0 |
±0.6 |
>60~90 | ±3.0 |
+2.0 -1.0 |
±0.8 |
>90~120 | ±3.5 |
+2.2 -1.2 |
±1.2 |
>120~160 | ±5.0 | — | ±1.8 |
>160~200 | ±6.5 | — | ±2.0 |
>200~230 | ±7.0 | — | ±2.5 |
This region has not yet joined our new website. You will now continue to the existing site for 网站名称