高速工具鋼及模具、切削具刃堆焊條
| 牌號(hào)\化學(xué)成分 | C | Mn | Si | Cr | Mo | W | V | Co | Ni | 其它 | 硬度 |
| D307 | 0.7-1.0 | 3.5-4.5 | 17-20 | 1.0-1.5 | ≤1.5 | ≥55 | |||||
| D317 | 0.7-1.0 | 3.0-4.0 | 3-5 | 4.5-6 | 1.5-3.0 | ≤1.5 | ≥50 | ||||
| D317A | 0.3-0.8 | 0.5-1.0 | 0.3-0.6 | 3-4 | 2-4 | 6-8 | 1.5-2.5 | 58-62 | |||
| D322 | ≤0.5 | ≤5.0 | ≤2.5 | 7-10 | ≤1.0 | ≥55 | |||||
| D327 | ≤0.5 | ≤5.0 | ≤2.5 | 7-10 | ≤1.0 | ≥55 | |||||
| D327A | ≤0.5 | 5-6.5 | 2-3 | 2-3.5 | 1-3 | ≥50 | |||||
| D337 | ≤0.55 | 2-3.5 | 7-10 | ≤1.0 | ≥48 | ||||||
| D386 | ≤0.6 | ≤3.0 | ≤5 | ≤3.0 | ≥50 | ||||||
| D397 | ≤0.6 | ≤2.5 | ≤1.0 | ≤2.0 | ≤1.0 | ≥40 | |||||
| D406 | ≤0.5 | ≤2.0 | ≤2.0 | ≤6 | ≤5.0 | ≤10 | ≤2 | ≤12 | ≤2.0 | ≈50 | |
| D417 | 0.5-0.9 | ≤0.6 | ≤0.8 | 3-5 | 5-10 | 1-2.5 | 0.8-1.5 | ≤1.0 | ≥55 | ||
| D427 | ≤0.8 | ≤13 | ≤11 | ≤2 | ≤2 | ≥40 | |||||
| D437 | ≈0.8 | ≈15 | ≈3 | ≈4 | ≥40 |
此類(lèi)焊條可在中碳鋼制成的刀具、模具毛坯工作面堆焊以達(dá)到整體高速鋼的目的，也用來(lái)修復(fù)磨損刀具，切削具，沖模，鍛模，軋輥，熱剪刀刃口，葉片，高爐料鐘，煉鋼吊牙零部件的堆焊.
