牌號(hào) | GS-8MnMo7-4 |
德國(guó)W-Nr. | 1.5430 |
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(lèi) | 鑄鋼 |
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-8 MnMo7-4 | 1.5430 | 淬火+回火 (V) | ESY 46 64 Mo B | 100 to 250 | ⑤ |
Material | Normalizing Austenitizing temperature, | Quenching and tempering | |||
Austenitizing temperature, | Quenching medium | Tempering temperature, | |||
designation | number | ||||
GS-8 MnMo7-4 | 1.5430 | - | 900 to 980④ | 空氣镐催,液體 | 600 to 640 |
①在加工后需要消除應(yīng)力八千,應(yīng)使用焊接資料表規(guī)定的焊接后退火溫度之一暴赡。
②最終冷卻為空冷或風(fēng)冷
③最終冷卻為空冷或爐冷
④建議鑄件在淬火回火前進(jìn)行正火處理柿糖。