LC2簡介
USA ASTM Special Alloy LC2，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 |
|
LC2 |
ASTM |
USA |
Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service |
化學成分信息(mass fraction)(wt.%) of the LC2：
| 元素名稱 |
含量比例值 |
|---|
| C |
0.25 |
| Si |
0.6 |
| Mn |
0.50-0.80 |
| P |
0.04 |
| S |
0.045 |
| Cr |
－ |
| Ni |
2.00-3.00 |
| Mo |
－ |
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） |
|---|
| 942 (≥) |
532 (≥) |
34 |
22 |
44 |
Solution and Aging, Annealing, Ausaging, Q+T,etc |
211 |
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 |
|---|
| 44 |
- |
- |
|
|
0.41 |
- |
|
| 156 |
217 |
- |
32.3 |
122 |
|
- |
|
| 541 |
- |
41 |
31.2 |
|
|
431 |
331 |
熱處理信息：
| 熱處理溫度區間 |
|---|
| Heat treated : 1353°C - 1311°C |
對照表（同等等級）信息：
| 型號 |
標準 |
國家 |
應用 |
|---|
| ASTM LC2 |
AISI |
USA |
|
| ASTM LC2-1 |
AISI |
USA |
|
| OLC20 |
STAS/SR |
Romania |
Structural steel |
| OLC20S |
STAS/SR |
Romania |
Structural steel |
| OLC20X |
STAS/SR |
Romania |
Structural steel |
| OLC20XS |
STAS/SR |
Romania |
Structural steel |
| OLC25 |
STAS/SR |
Romania |
Structural steel |
| OLC25S |
STAS/SR |
Romania |
Structural steel |
| OLC25X |
STAS/SR |
Romania |
Structural steel |
| OLC25XS |
STAS/SR |
Romania |
Structural steel |
| OLC20z |
STAS/SR |
Romania |
Structural steel |
| OLC22Bq |
STAS/SR |
Romania |
Alloy structural steel |
| OLC2Sq |
STAS/SR |
Romania |
Alloy structural steel |
| LC2 |
ASTM |
USA |
Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service |
| LC2-1 |
ASTM |
USA |
Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service |
| LC2 |
ASTM |
USA |
Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service |
| LC2-1 |
ASTM |
USA |
Steel Castings, Ferritic and Martensitic, for Pressure-Containing Parts, Suitable for Low-Temperature Service |
