C12簡介
USA ASTM Special Alloy C12，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 |
|
C12 |
ASTM |
USA |
Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service |
化學成分信息(mass fraction)(wt.%) of the C12：
| 元素名稱 |
含量比例值 |
|---|
| C |
≤0.20 |
| Si |
≤1.00 |
| Mn |
0.35-0.65 |
| P |
0.04 |
| S |
0.045 |
| Cr |
8.00-10.0 |
| Ni |
－ |
| Mo |
0.90-1.20 |
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） |
|---|
| 381 (≥) |
521 (≥) |
44 |
23 |
12 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
331 |
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 |
|---|
| 23 |
- |
- |
|
|
0.22 |
- |
|
| 791 |
483 |
- |
31.3 |
422 |
|
- |
|
| 734 |
- |
42 |
14.2 |
|
|
111 |
444 |
熱處理信息：
| 熱處理溫度區間 |
|---|
| Heat treated : 1574°C - 1532°C |
對照表（同等等級）信息：
| 型號 |
標準 |
國家 |
應用 |
|---|
| C125W |
|
|
|
| TC120 |
JIS |
Japan |
Carbon tool steel |
| C120U |
|
|
|
| C120U |
|
|
|
| Z8C12 |
AFNOR |
France |
Stainless steel palte & Steel Strip |
| ASTM C12 |
AISI |
USA |
|
| ASTM C12A |
AISI |
USA |
|
| OSC12 |
STAS/SR |
Romania |
tool steel |
| C120U |
|
|
|
| UC12 |
ONORM |
Austria |
Austrian structural steel |
| RC12 |
ONORM |
Austria |
Austrian structural steel |
| EN C12D |
EN |
Euronorm |
Euronorm Structural steel |
| EN C12D2 |
EN |
Euronorm |
Euronorm Structural steel |
| EN C120U |
EN |
Euronorm |
Euronorm Tool steel |
| C12 |
ASTM |
USA |
Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service |
| C12A |
ASTM |
USA |
Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service |
| C12 |
ASTM |
USA |
Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service |
| C12A |
ASTM |
USA |
Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service |
