C | Mn | Si | S | P | Cr | Ni | Mo | Cu | |
保證值 | ≤0.12 | ≤1.0 | ≤0.90 | ≤0.030 | ≤0.040 | 11.0~13.5 | ≤0.70 | ≤0.75 | ≤0.75 |
例值 | 0.080 | 0.30 | 0.45 | 0.015 | 0.021 | 12.20 | 0.30 | 0.030 | 0.035 |
試驗(yàn)項(xiàng)目 | Rm (N/mm2) | A (%) |
保證值 | ≥450 | ≥20 |
例值 | 540 | 28 |
焊條直徑(mm) | f2.0 | f2.5 | f3.2 | f4.0 | f5.0 |
焊接電流(A) | 40~80 | 50~100 | 70~130 | 100~160 | 140~200 |