DH5Cr32Ti硬面耐磨堆焊药芯焊丝
DH1Cr13Ni2Mo | ≤0.18 | ≤0.7 | 1.2 1.6 | 12.5 14.5 | 1.5 2.5 | ≤1.0 | 28 35 | |||
DH1Cr13NiMoV | ≤0.18 | ≤0.7 | 1.2 1.6 | 12.5 14.5 | 0.6 1.5 | ≤1.0 | 0.2 0.6 | 28 35 | ||
DH2Cr13MoNb | 0.15 0.30 | ≤0.8 | 0.8 1.2 | 12.0 14.0 | ≤1.0 | ≤1.0 | ≤0.3 | 33 48 | ||
DH2Cr13TiNb | 0.15 0.25 | ≤0.8 | 0.8 1.2 | 12.0 14.0 | ≤1.0 | ≤1.0 | Ti≥0.10 | ≤0.3 | 33 43 | |
DH2Cr13 | 0.15 0.25 | ≤1.2 | 0.8 1.2 | 12.0 14.0 | ≤0.3 | 33 43 | ||||
DH3Cr13-NiMo | 0.20 0.35 | ≤1.2 | 0.8 1.2 | 12.0 14.0 | 适量 | 适量 | ≤0.3 | 33 43 |
热制度:焊件预热温度200~350℃,层间温度150~350℃,焊后根据母材成分和尺寸,400~520℃×4~8h后炉冷; 特 点:具有良好的抗冷热疲劳性能与良好的抗氧化性。