HK簡介
USA ASTM Special Alloy HK，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 |
|
HK |
ASTM |
USA |
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application |
化學成分信息(mass fraction)(wt.%) of the HK：
| 元素名稱 |
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 |
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(tài) |
布氏硬度（HBW） |
|---|
| 842 (≥) |
287 (≥) |
31 |
31 |
33 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
424 |
物理性質信息：
| 溫度 |
彈性模量 |
系數(shù) |
熱導率 |
比熱容量 |
比電阻率 |
密度 |
加權系數(shù) |
|---|
| 12 |
- |
- |
|
|
0.33 |
- |
|
| 633 |
331 |
- |
43.3 |
412 |
|
- |
|
| 573 |
- |
41 |
24.2 |
|
|
423 |
411 |
熱處理信息：
| 熱處理溫度區(qū)間 |
|---|
| Heat treated : 1978°C - 1383°C |
對照表（同等等級）信息：
| 型號 |
標準 |
國家 |
應用 |
|---|
| 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 |
