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| 牌号 | GS-20Mn5 |
| 德国W-Nr. | 1.1120 |
| 其他名称 | |
| 对应标准 | DIN 17182-1992
焊接用低合金铸钢 General purpose steel castings with enhanced weldability and higher toughness - Technical delivery condition |
| 归类 | 铸钢 |
| 说明 | 牌号后缀字母N表示该牌号材料正火状态;后缀字母V表示淬火+回火状态 |
| Materia designation number | Heat treatment condition | Suitable filler metal as specified in DIN 8529 Part 1 (symbol) | Preheat and interpass temperature, in °C② | Annealing temperature after welding, in °C | |
| GS-20 Mn5N | 1.1120 | 正火 (N) | E 51 55 B③④ | 100 to 250 | 600 to 640 |
| GS-20 Mn5V | 1.1120 | 淬火+回火 (V) | ⑤ | ||
| Material | Normalizing Austenitizing temperature, in °C② | Quenching and tempering | |||
| Austenitizing temperature. in °C | Quenching medium | Tempering temperature. in °C③ | |||
| designation | number | ||||
| GS-20 Mn5N | 1.1120 | 910 to 960 | - | - | - |
| GS-20 Mn5 V | 1.1120 | - | 890 to 940④ | 液体 | 610 to 660 |