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| 牌號(hào) | GS-20Mn5 |
| 德國W-Nr. | 1.1120 |
| 其他名稱 | |
| 對(duì)應(yīng)標(biāo)準(zhǔn) | DIN 17182-1992
焊接用低合金鑄鋼 General purpose steel castings with enhanced weldability and higher toughness - Technical delivery condition |
| 歸類 | 鑄鋼 |
| 說明 | 牌號(hào)后綴字母N表示該牌號(hào)材料正火狀態(tài);后綴字母V表示淬火+回火狀態(tài) |
| 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 | 液體 | 610 to 660 |