HK简介
USA ASTM Special Alloy HK，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 |
|
HK |
ASTM |
USA |
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application |
化学成分信息(mass fraction)(wt.%) of the HK：
| 元素名称 |
含量比例值 |
|---|
| C |
0.20-0.60 |
| Si |
2 |
| Mn |
2 |
| P |
0.04 |
| S |
0.04 |
| Cr |
24.0-28.0 |
| Ni |
18.0-22.0 |
| Mo |
0.5 |
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） |
|---|
| 842 (≥) |
287 (≥) |
31 |
31 |
33 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
424 |
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 |
|---|
| 12 |
- |
- |
|
|
0.33 |
- |
|
| 633 |
331 |
- |
43.3 |
412 |
|
- |
|
| 573 |
- |
41 |
24.2 |
|
|
423 |
411 |
热处理信息：
| 热处理温度区间 |
|---|
| Heat treated : 1978°C - 1383°C |
对照表（同等等级）信息：
| 型号 |
标准 |
国家 |
应用 |
|---|
| ASTM HK |
AISI |
USA |
|
| ASTM HK30 |
AISI |
USA |
|
| ASTM HK40 |
AISI |
USA |
|
| HK1073 |
AS |
Australia |
Australia Structural steel |
| HK1042 |
AS |
Australia |
Australia Structural steel |
| EN 46CHKD |
EN |
Euronorm |
Euronorm Structural steel |
| HK |
ASTM |
USA |
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application |
| HK30 |
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 |
| HK |
ASTM |
USA |
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application |
| HK30 |
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 |
