Q235簡介
China GBT Structure Steel Q235，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 |
|
Q235 |
GBT |
China |
China structural steel and alloy steel |
化學成分信息(mass fraction)(wt.%) of the Q235：
| 元素名稱 |
含量比例值 |
|---|
| C |
Max 0.17 |
| Si |
Max 0.30 |
| Mn |
0.35-0.80 |
| P |
0.035 |
| S |
0.03 |
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） |
|---|
| 893 (≥) |
391 (≥) |
21 |
41 |
21 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
142 |
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 |
|---|
| 13 |
- |
- |
|
|
0.11 |
- |
|
| 644 |
798 |
- |
13.3 |
443 |
|
- |
|
| 949 |
- |
24 |
21.2 |
|
|
224 |
113 |
熱處理信息：
| 熱處理溫度區間 |
|---|
| Heat treated : 1714°C - 1351°C |
對照表（同等等級）信息：
| 型號 |
標準 |
國家 |
應用 |
|---|
| Q235 |
GBT |
China |
China structural steel and alloy steel |
| Q235 B |
|
China |
Engineering and welding |
| Q235 C |
|
China |
Engineering and welding |
| Q235 D |
|
China |
Engineering and welding |
| Q235q C |
|
China |
Bridge structure with steel |
| Q235q D |
|
China |
Bridge structure with steel |
| Q235 |
GBT |
China |
China structural steel and alloy steel |
| Q235 |
GBT |
China |
China structural steel and alloy steel |
| Q235 |
GBT |
China |
China structural steel and alloy steel |
| Q235 |
GBT |
China |
China structural steel and alloy steel |
| Q235q |
GBT |
China |
China structural steel and alloy steel |
| Q235q |
GBT |
China |
China structural steel and alloy steel |
| Q235NH |
GBT |
China |
China structural steel and alloy steel |
| Q235GJ-C |
GBT |
China |
China structural steel and alloy steel |
| Q235GJ-D |
GBT |
China |
China structural steel and alloy steel |
| Q235GJ-E |
GBT |
China |
China structural steel and alloy steel |
| Q235GJZ-C |
GBT |
China |
China structural steel and alloy steel |
| Q235GJZ-D |
GBT |
China |
China structural steel and alloy steel |
| Q235GJZ-E |
GBT |
China |
China structural steel and alloy steel |
