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title: "低温钢 — 4 个牌号及其成分"
description: "低温钢经过设计，可在低服役温度下保持韧性并抵抗脆性断裂。它们用于暴露于寒冷或低温环境中的设备和结构，适用于对可靠冲击性能有重要要求…"
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![低温钢](/images/uploads/050edcf7-b335-4856-9bd9-dc415d368fd2/low-temperature-steels-category-cryogenic-vessel-shell-1920x1080.jpg)

类别 · 4 牌号

# 低温钢

低温钢经过设计，可在低服役温度下保持韧性并抵抗脆性断裂。它们用于暴露于寒冷或低温环境中的设备和结构，适用于对可靠冲击性能有重要要求的场合。

| 牌号 | 材料号 | C | Si | P | S | Cr | Mn |
|---|---|---|---|---|---|---|---|
| [X 10 CrNiTi 18 10](/zh/材料/din-en/x-10-crniti-18-10 "X 10 CrNiTi 18 10") | [1.6903](/zh/材料/材料编号/1.6903 "1.6903") | ≤0,10 | ≤1,00 | 0,045 | 0,03 | 17,0-19,0 | ≤2,00 |
| [X3CrNiN18-10](/zh/材料/din-en/x3crnin18-10 "X3CrNiN18-10") | [1.6907](/zh/材料/材料编号/1.6907 "1.6907") | ≤0,04 | ≤1,00 | 0,045 | 0,03 | 17,0-19,0 | ≤2,00 |
| [X5CrMnNiN18-9](/zh/材料/din-en/x5crmnnin18-9 "X5CrMnNiN18-9") | [1.6909](/zh/材料/材料编号/1.6909 "1.6909") | ≤0,07 | ≤1,00 | 0,045 | 0,03 | 17,0-19,0 | 7,50-9,50 |
| [X3CrNiMoN18-14](/zh/材料/din-en/x3crnimon18-14 "X3CrNiMoN18-14") | [1.6967](/zh/材料/材料编号/1.6967 "1.6967") | ≤0,04 | ≤1,00 | 0,045 | 0,03 | 16,5-18,5 | ≤2,00 |

## 覆盖此类别的标准

7

- [**DIN / EN***4 牌号*](/zh/材料/din-en "DIN / EN — 此类别中4 牌号")
- [**AISI / SAE***2 牌号*](/zh/材料/aisi-sae "AISI / SAE — 此类别中2 牌号")
- [**UNS***1 牌号*](/zh/材料/uns "UNS — 此类别中1 牌号")
- [**ASTM***1 牌号*](/zh/材料/astm "ASTM — 此类别中1 牌号")
- [**JIS***1 牌号*](/zh/材料/jis "JIS — 此类别中1 牌号")
- [**GB***1 牌号*](/zh/材料/gb "GB — 此类别中1 牌号")
- [**ČSN***1 牌号*](/zh/材料/csn "ČSN — 此类别中1 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

9

| 性能 | 单位 | 下限 | 上限 | 牌号数 |
|---|---|---|---|---|
| C | % | 0.04 | 0.1 | 4 |
| N | % | 0.1 | 0.3 | 3 |
| Si | % | 1 | 1 | 4 |
| P | % | 0.045 | 0.045 | 4 |
| S | % | 0.03 | 0.03 | 4 |
| Cr | % | 16.5 | 19 | 4 |
| Mn | % | 2 | 9.5 | 4 |
| Ni | % | 4.5 | 15 | 4 |
| Mo | % | 0.5 | 3 | 2 |

基于本类别中4 牌号的已记录数值得出。