S2简介
USA ASTM Tool Steel And Hard Alloy S2，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 |
|
S2 |
ASTM |
USA |
Alloy tool steel |
化学成分信息(mass fraction)(wt.%) of the S2：
| 元素名称 |
含量比例值 |
|---|
| C |
0.40～0.55 |
| Si |
0.90～1.20 |
| Mn |
0.30～0.50 |
| P |
≤0.030 |
| S |
≤0.030 |
| Mo |
0.30～0.60 |
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） |
|---|
| 445 (≥) |
681 (≥) |
12 |
11 |
12 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
432 |
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 |
|---|
| 33 |
- |
- |
|
|
0.41 |
- |
|
| 689 |
239 |
- |
42.3 |
221 |
|
- |
|
| 226 |
- |
14 |
22.2 |
|
|
141 |
213 |
热处理信息：
| 热处理温度区间 |
|---|
| Heat treated : 1464°C - 1151°C |
对照表（同等等级）信息：
| 型号 |
标准 |
国家 |
应用 |
|---|
| S2 |
ASTM |
USA |
Alloy tool steel |
| M3 Class2 |
ASTM |
USA |
Molybdenum series High-speed tool steel |
| S2-10-1-8 |
DIN |
Germany |
High-speed tool steel |
| S2-9-2-8 |
DIN |
Germany |
High-speed tool steel |
| S2-9-1 |
DIN |
Germany |
High-speed tool steel |
| S2-9-2 |
DIN |
Germany |
High-speed tool steel |
| SKS2 |
JIS |
Japan |
Alloy tool steel - Tool steel |
| SKS21 |
JIS |
Japan |
Alloy tool steel - Tool steel |
| SKS2M |
|
|
|
| BS2 |
|
UK |
Carbide for cutting tools |
| BS2 |
|
UK |
Carbide for cutting tools |
| BS2 |
|
UK |
Carbide for cutting tools |
| BS2 |
|
UK |
Carbide for cutting tools |
| BS2 |
|
UK |
Carbide for cutting tools |
| BS2 |
|
UK |
Carbide for cutting tools |
| HS2-9-1 |
|
|
|
| HS2-9-1 |
|
|
|
| HS2-9-2 |
|
|
|
| HS2-9-2 |
|
|
|
| HS2-9-1-8 |
|
|
|
