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ČSN · 捷克 · 2 牌号

# 19721

名称 19721 由 2 个不同牌号共用。请按数值确有差异的元素进行对照，再打开图纸所指的那一个。

- *匹配牌号* **2**
- [*类别* **热作工具钢 · 37 个牌号**](/zh/类别/热作工具钢 "类别: 热作工具钢 · 37 个牌号")

[搜索](/zh/搜索 "钢种搜索")[咨询](/zh/咨询 "发送咨询")

## 这 2 个中，您要哪一个？

该名称由多个牌号共用。表中所列元素是这一组内数值确有差异的元素，也就是决定取舍的元素。数值为来源文本的逐字照录；破折号表示该牌号该元素没有收录数值，而不是零。

| 牌号 | 材料号 | 类别 | 名称数 | C% | Si% | P% | S% | V% | Cr% |
|---|---|---|---|---|---|---|---|---|---|
| [1.2581](/zh/材料/材料编号/1.2581 "1.2581") | [1.2581](/zh/材料/材料编号/1.2581 "1.2581") 1.2 | [热作工具钢](/zh/类别/热作工具钢 "热作工具钢") | 33 | 0,25-0,35 | 0,10-0,40 | 0,03 | 0,02 | 0,30-0,50 | 2,50-3,20 |
| [3Ch2V8F](/zh/材料/gost/3ch2v8f "3Ch2V8F") | — |  | 2 | 0.30 - 0.40 | 0.15 - 0.40 | \<0.03 | \<0.03 | 0.20 - 0.50 | 2.20 -2.70 |

## 不确定图纸指的是哪一个？

可按名称、材料号或化学成分检索目录——本页上的每一个名称本身都是入口。

[搜索](/zh/搜索 "钢种搜索")[咨询](/zh/咨询 "发送咨询")