M3简介
USA AISI Tool Steel And Hard Alloy M3，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 |
|
M3 |
AISI |
USA |
Powder metallurgy high-speed tool steel |
化学成分信息(mass fraction)(wt.%) of the M3：
| 元素名称 |
含量比例值 |
|---|
| C |
1.28 |
| Cr |
4.20 |
| Mo |
5.00 |
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） |
|---|
| 627 (≥) |
853 (≥) |
42 |
44 |
33 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
233 |
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 |
|---|
| 14 |
- |
- |
|
|
0.42 |
- |
|
| 277 |
338 |
- |
21.3 |
432 |
|
- |
|
| 388 |
- |
21 |
23.2 |
|
|
242 |
222 |
对照表（同等等级）信息：
| 型号 |
标准 |
国家 |
应用 |
|---|
| SM3Cr2Mo |
|
China |
Plastic mould with flat steel |
| SM3Cr2Ni1Mo |
|
China |
Plastic mould with flat steel |
| SM3Cr17Mo |
|
China |
Plastic mould with flat steel |
| M3 Class1 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
| M3 Class2 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
| M30 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
| M33 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
| M34 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
| M36 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
| M3 |
AISI |
USA |
Powder metallurgy high-speed tool steel |
| CPM Rex M3 |
AISI |
USA |
Powder metallurgy high-speed tool steel |
| CPM Rex M35HCHS |
AISI |
USA |
Powder metallurgy high-speed tool steel |
| M35 |
AISI |
USA |
Powder metallurgy high-speed tool steel |
| M30 |
JIS |
Japan |
Carbide for cutting tools |
| BM34① |
|
UK |
Carbide for cutting tools |
| BM34① |
|
UK |
Carbide for cutting tools |
| BM35 |
|
UK |
Carbide for cutting tools |
| BM35 |
|
UK |
Carbide for cutting tools |
| 08X17H5M3 |
|
|
Austenitic - Martensitic steel |
| 03X16H15M3 |
|
|
Austenitic |
