A2簡介
USA ASTM Tool Steel And Hard Alloy A2，及該型號鋼材的基本信息、化學元素成分、機械性能、力學性能、熱處理溫度、同等型號參照表等。
基本信息：
| 分類 |
種類 |
型號 |
標準 |
國家 |
應用 |
|---|
| Steel Grades |
|
A2 |
ASTM |
USA |
Alloy tool steel |
化學成分信息(mass fraction)(wt.%) of the A2：
| 元素名稱 |
含量比例值 |
|---|
| C |
0.95～1.05 |
| Si |
0.10～0.50 |
| Mn |
0.40～1.00 |
| P |
≤0.030 |
| S |
≤0.030 |
| Cr |
4.75～5.50 |
| Mo |
0.90～1.40 |
機械性能信息：
| 屈服強度Rp0.2（MPa） |
抗拉強度Rm（MPa） |
沖擊率 |
伸長率 |
斷面收縮率 |
熱處理狀態(tài) |
布氏硬度（HBW） |
|---|
| 153 (≥) |
866 (≥) |
33 |
34 |
34 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
114 |
物理性質信息：
| 溫度 |
彈性模量 |
系數(shù) |
熱導率 |
比熱容量 |
比電阻率 |
密度 |
加權系數(shù) |
|---|
| 34 |
- |
- |
|
|
0.21 |
- |
|
| 595 |
449 |
- |
33.3 |
123 |
|
- |
|
| 139 |
- |
14 |
12.2 |
|
|
421 |
334 |
熱處理信息：
| 熱處理溫度區(qū)間 |
|---|
| Heat treated : 1834°C - 1283°C |
對照表（同等等級）信息：
| 型號 |
標準 |
國家 |
應用 |
|---|
| A2 |
ASTM |
USA |
Alloy tool steel |
| CPM 10V |
AISI |
USA |
Powder metallurgy tool steelCold work tool steel |
| BA2 |
|
UK |
Carbide for cutting tools |
| BA2 |
|
UK |
Carbide for cutting tools |
| BA2 |
|
UK |
Carbide for cutting tools |
| BA2 |
|
UK |
Carbide for cutting tools |
| BA2 |
|
UK |
Carbide for cutting tools |
| BA2 |
|
UK |
Carbide for cutting tools |
| ASTM A2Q |
AISI |
USA |
|
| A21 |
STAS/SR |
Romania |
Structural steel |
| HA200 |
AS |
Australia |
Australia Structural steel |
| CA2 |
AS |
Australia |
Australia Structural steel |
| HA250 |
AS |
Australia |
Australia Structural steel |
| CA220 |
AS |
Australia |
Australia Structural steel |
| CA260 |
AS |
Australia |
Australia Structural steel |
| VAT A286 |
ABNT |
Brazil |
Brazil Stainless steel |
| A20204 |
GBT |
China |
China structural steel and alloy steel |
| A20374 |
GBT |
China |
China structural steel and alloy steel |
| A20404 |
GBT |
China |
China structural steel and alloy steel |
| A20378 |
GBT |
China |
China structural steel and alloy steel |
