Q235简介
China GBT Structure Steel Q235，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 |
|
Q235 |
GBT |
China |
China structural steel and alloy steel |
化学成分信息(mass fraction)(wt.%) of the Q235：
| 元素名称 |
含量比例值 |
|---|
| C |
Max 0.17 |
| Si |
Max 0.30 |
| Mn |
0.35-0.80 |
| P |
0.035 |
| S |
0.03 |
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） |
|---|
| 893 (≥) |
391 (≥) |
21 |
41 |
21 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
142 |
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 |
|---|
| 13 |
- |
- |
|
|
0.11 |
- |
|
| 644 |
798 |
- |
13.3 |
443 |
|
- |
|
| 949 |
- |
24 |
21.2 |
|
|
224 |
113 |
热处理信息：
| 热处理温度区间 |
|---|
| Heat treated : 1714°C - 1351°C |
对照表（同等等级）信息：
| 型号 |
标准 |
国家 |
应用 |
|---|
| 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 |
