4簡介
Australia AS Structure Steel 4，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 |
|
4 |
AS |
Australia |
Australia Structural steel |
化學成分信息(mass fraction)(wt.%) of the 4：
| 元素名稱 |
含量比例值 |
|---|
| C |
0.25-0.38 |
| Si |
0.10-0.40 |
| Mn |
0.40-1.00 |
| P |
0.04 |
| S |
0.04 |
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） |
|---|
| 413 (≥) |
862 (≥) |
34 |
31 |
21 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
212 |
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 |
|---|
| 24 |
- |
- |
|
|
0.42 |
- |
|
| 269 |
777 |
- |
43.3 |
134 |
|
- |
|
| 833 |
- |
44 |
42.2 |
|
|
343 |
314 |
熱處理信息：
| 熱處理溫度區間 |
|---|
| Heat treated : 1455°C - 1352°C |
對照表（同等等級）信息：
| 型號 |
標準 |
國家 |
應用 |
|---|
| Q345q E |
|
China |
Bridge structure with steel |
| Q345q C |
|
China |
Bridge structure with steel |
| 4CrW2Si |
|
China |
Alloy tool steel - Impact resistance tool steel |
| Cr4W2MoV |
|
China |
Alloy tool steel - cold work steels |
| 6W6Mo5Cr4V |
|
China |
Alloy tool steel - Impact resistance tool steel |
| 5Cr4W5Mo2V |
|
China |
Alloy tool steel - hot-work die steel |
| 4CrMnSiMoV |
|
China |
Alloy tool steel - hot-work die steel |
| 4Cr3Mo3SiV |
|
China |
Alloy tool steel - hot-work die steel |
| 4Cr5MoSiV |
|
China |
Alloy tool steel - hot-work die steel |
| 4Cr5MoSiV1 |
|
China |
Alloy tool steel - hot-work die steel |
| 4Cr5W2VSi |
|
China |
Alloy tool steel - hot-work die steel |
| SM45 |
|
China |
Plastic mould with flat steel |
| SM50 |
|
China |
Plastic mould with flat steel |
| SM4Cr5MoSiV |
|
China |
Plastic mould with flat steel |
| SM4Cr5MoSiV1 |
|
China |
Plastic mould with flat steel |
| SM4Cr13 |
|
China |
Plastic mould with flat steel |
| SM45A |
|
China |
Plastic mould with Hot-rolled steel plate |
| SM48 |
|
China |
Plastic mould with Hot-rolled steel plate |
| W18Cr4V |
|
China |
High-speed tool steel |
| W18Cr4VCo8 |
|
China |
High-speed tool steel |
