A3簡介
USA ASTM Tool Steel And Hard Alloy A3，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 |
|
A3 |
ASTM |
USA |
Alloy tool steel |
化學成分信息(mass fraction)(wt.%) of the A3：
| 元素名稱 |
含量比例值 |
|---|
| C |
1.20～1.30 |
| Si |
0.10～0.50 |
| Mn |
0.40～0.60 |
| 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 |
布氏硬度（HBW） |
|---|
| 453 (≥) |
345 (≥) |
44 |
23 |
43 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
213 |
物理性質信息：
| 溫度 |
彈性模量 |
系數 |
熱導率 |
比熱容量 |
比電阻率 |
密度 |
加權系數 |
|---|
| 22 |
- |
- |
|
|
0.43 |
- |
|
| 942 |
953 |
- |
13.3 |
241 |
|
- |
|
| 756 |
- |
41 |
11.2 |
|
|
424 |
221 |
熱處理信息：
| 熱處理溫度區間 |
|---|
| Heat treated : 1762°C - 1459°C |
對照表（同等等級）信息：
| 型號 |
標準 |
國家 |
應用 |
|---|
| A3 |
ASTM |
USA |
Alloy tool steel |
| A35-586 316F20 |
AFNOR |
France |
Resistant to high boron steel |
| A35-586 316F21 |
AFNOR |
France |
Resistant to high boron steel |
| A35-586 316F22 |
AFNOR |
France |
Resistant to high boron steel(NF A 36-580(1983)) |
| A35-586 321F20 |
AFNOR |
France |
Resistant to high boron steel(NF A 36-580(1983)) |
| A35-586 347F20 |
AFNOR |
France |
Resistant to high boron steel(NF A 36-580(1983)) |
| ASTM A335 GRADE P11 |
ASTM |
USA |
Seamless Ferritic Alloy Steel Pipe for High-Temperature Service |
| ASTM A335 GRADE P22 |
ASTM |
USA |
Seamless Ferritic Alloy Steel Pipe for High-Temperature Service |
| ASTM A335 GRADE P5 |
ASTM |
USA |
Seamless Ferritic Alloy Steel Pipe for High-Temperature Service |
| ASTM A335 GRADE P9 |
ASTM |
USA |
Seamless Ferritic Alloy Steel Pipe for High-Temperature Service |
| ASTM A335 GRADE P91 |
ASTM |
USA |
Seamless Ferritic Alloy Steel Pipe for High-Temperature Service |
| ASTM A335 GRADE P92 |
AMS |
USA |
Seamless Ferritic Alloy Steel Pipe for High-Temperature Service |
| A32 |
STAS/SR |
Romania |
Structural steel |
| A36 |
STAS/SR |
Romania |
Structural steel |
| HA3 |
AS |
Australia |
Australia Structural steel |
| HA300 |
AS |
Australia |
Australia Structural steel |
| HA300/1 |
AS |
Australia |
Australia Structural steel |
| HA350 |
AS |
Australia |
Australia Structural steel |
| A30304 |
GBT |
China |
China structural steel and alloy steel |
| A30354 |
GBT |
China |
China structural steel and alloy steel |
