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title: "双相钢 — 4 个牌号及其成分"
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![双相钢](/images/uploads/f5754ef8-fccc-4aa6-9e52-64a6cdc668a3/dual-phase-steels-category-roll-formed-profiles-1920x1080.jpg)

类别 · 4 牌号

# 双相钢

双相钢是以铁素体为基体并含有弥散马氏体相的钢。这种组织组合可实现强度、延性和成形性之间的平衡，因此适用于成形结构件和安全件，尤其适用于车身零部件。

| 牌号 | 材料号 | B | C | Al | Si | P | S |
|---|---|---|---|---|---|---|---|
| [HCT500X](/zh/材料/din-en/hct500x "HCT500X") | [1.0939](/zh/材料/材料编号/1.0939 "1.0939") | ≤0,005 | ≤0,14 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |
| [HCT600X](/zh/材料/din-en/hct600x "HCT600X") | [1.0941](/zh/材料/材料编号/1.0941 "1.0941") | ≤0,005 | ≤0,17 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |
| [HCT780X](/zh/材料/din-en/hct780x "HCT780X") | [1.0943](/zh/材料/材料编号/1.0943 "1.0943") | ≤0,005 | ≤0,18 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |
| [HCT980X](/zh/材料/din-en/hct980x "HCT980X") | [1.0944](/zh/材料/材料编号/1.0944 "1.0944") | ≤0,005 | ≤0,23 | ≤2,00 | ≤0,80 | 0,08 | 0,015 |

## 覆盖此类别的标准

1

- [**DIN / EN***4 牌号*](/zh/材料/din-en "DIN / EN — 此类别中4 牌号")

## 性能范围

1

| 性能 | 单位 | 下限 | 上限 | 牌号数 |
|---|---|---|---|---|
| rho | g/cm³ | 7.85 | 7.85 | 4 |

基于本类别中4 牌号的已记录数值得出。

## 成分范围

8

| 性能 | 单位 | 下限 | 上限 | 牌号数 |
|---|---|---|---|---|
| B | % | 0.005 | 0.005 | 4 |
| C | % | 0.14 | 0.23 | 4 |
| Al | % | 2 | 2 | 4 |
| Si | % | 0.8 | 0.8 | 4 |
| P | % | 0.08 | 0.08 | 4 |
| S | % | 0.015 | 0.015 | 4 |
| V | % | 0.2 | 0.2 | 4 |
| Mn | % | 2 | 2.5 | 4 |

基于本类别中4 牌号的已记录数值得出。