K40简介
China GBT Special Alloy K40，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 |
|
K40 |
GBT |
China |
conventional cast superalloy |
化学成分信息(mass fraction)(wt.%) of the K40：
| 元素名称 |
含量比例值 |
|---|
| C |
0.45-0.55 |
| Si |
≤1(00 |
| Mn |
≤1.00 |
| P |
0.040 |
| S |
0.040 |
| Cr |
24.50-26.50 |
| Ni |
9.50-11.50 |
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） |
|---|
| 988 (≥) |
941 (≥) |
33 |
42 |
14 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
323 |
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 |
|---|
| 33 |
- |
- |
|
|
0.22 |
- |
|
| 455 |
891 |
- |
32.3 |
323 |
|
- |
|
| 214 |
- |
44 |
33.2 |
|
|
121 |
111 |
热处理信息：
| 热处理温度区间 |
|---|
| Heat treated : 1196°C - 1694°C |
对照表（同等等级）信息：
| 型号 |
标准 |
国家 |
应用 |
|---|
| ASTM HK40 |
AISI |
USA |
|
| St02FK40 |
ONORM |
Austria |
Austrian structural steel |
| K401 |
GBT |
China |
Age hardening type Nickel base alloy |
| K403 |
GBT |
China |
Age hardening type Nickel base alloy |
| K405 |
GBT |
China |
Age hardening type Nickel base alloy |
| K406 |
GBT |
China |
Age hardening type Nickel base alloy |
| K409 |
GBT |
China |
conventional cast superalloy |
| K4002 |
GBT |
China |
conventional cast superalloy |
| K4002 |
GBT |
China |
conventional cast superalloy |
| K40 |
GBT |
China |
conventional cast superalloy |
| K40M |
GBT |
China |
conventional cast superalloy |
| HK40 |
ASTM |
USA |
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application |
| HK40 |
ASTM |
USA |
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application |
