Cr2简介
China Tool Steel And Hard Alloy Cr2，及该型号钢材的基本信息、化学元素成分、机械性能、力学性能、热处理温度、同等型号参照表等。
基本信息：
| 分类 |
种类 |
型号 |
标准 |
国家 |
应用 |
|---|
| Steel Grades |
|
Cr2 |
|
China |
Alloy tool steel - Measuring tool steel cutting tools |
化学成分信息(mass fraction)(wt.%) of the Cr2：
| 元素名称 |
含量比例值 |
|---|
| C |
0.95～1.10 |
| Si |
≤0.40 |
| Mn |
≤0.40 |
| Cr |
1.30～1.65 |
| Ni |
≤0.20 |
机械性能信息：
| 屈服强度Rp0.2（MPa） |
抗拉强度Rm（MPa） |
冲击率 |
伸长率 |
断面收缩率 |
热处理状态 |
布氏硬度（HBW） |
|---|
| 367 (≥) |
653 (≥) |
12 |
13 |
44 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
222 |
物理性质信息：
| 温度 |
弹性模量 |
系数 |
热导率 |
比热容量 |
比电阻率 |
密度 |
加权系数 |
|---|
| 34 |
- |
- |
|
|
0.21 |
- |
|
| 361 |
824 |
- |
13.3 |
323 |
|
- |
|
| 866 |
- |
11 |
32.2 |
|
|
222 |
324 |
热处理信息：
| 热处理温度区间 |
|---|
| Heat treated : 1682°C - 1385°C |
对照表（同等等级）信息：
| 型号 |
标准 |
国家 |
应用 |
|---|
| Cr2 |
|
China |
Alloy tool steel - Measuring tool steel cutting tools |
| 9Cr2 |
|
China |
Alloy tool steel - Measuring tool steel cutting tools |
| 3Cr2W8V |
|
China |
Alloy tool steel - hot-work die steel |
| 5Cr4Mo3SiMnVA1 |
|
China |
Alloy tool steel - hot-work die steel |
| 7Mn15Cr2A13V2WMo |
|
China |
Alloy tool steel - Without magnetic steel mold |
| 3Cr2Mo |
|
China |
Alloy tool steel - Plasticity steel mold |
| SM3Cr2Mo |
|
China |
Plastic mould with flat steel |
| SM3Cr2Ni1Mo |
|
China |
Plastic mould with flat steel |
| 125Cr2 |
DIN |
Germany |
Cold working alloy tool steel |
| 140Cr2 |
DIN |
Germany |
Cold working alloy tool steel |
| 74NiCr2 |
DIN |
Germany |
Cold working alloy tool steel |
| NiFe25Cr20NbTi |
|
|
|
| NiCr20Ti |
UNE |
Spain |
Spain structural alloy steel |
| NiCr20TiAl |
UNE |
Spain |
Spain structural alloy steel |
| CoCr20W15Ni |
DIN |
Germany |
The high-temperature and high-strength steel |
| NiCr20Co18Ti |
FED |
Germany |
The high-temperature and high-strength steel |
| NiCr20Mo |
DIN |
Germany |
The high-temperature and high-strength steel |
| NiCr20Mo |
DIN |
Germany |
The high-temperature and high-strength steel |
| NiCr20CoMo |
DIN |
Germany |
The high-temperature and high-strength steel |
| NiCr20TiAI |
AFNOR |
France |
Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999)) |
