ER80S-Ni1气保焊丝
ER80S-Ni1气保焊丝MG55-Ni1
焊丝化学成分(%)
项目 | C | Mn | Si | S | P | Ni | Cr | Mo | V | Cu |
保证值 | ≤ 0.12 | ≤ 1.25 | 0.40~0.80 | ≤0.025 | ≤0.025 | 0.80~1.10 | ≤ 0.15 | ≤ 0.35 | ≤ 0.05 | ≤ 0.35 |
例值 | 0.06 | 1.12 | 0.60 | 0.007 | 0.012 | 1.05 | 0.01 | 0.044 | 0.001 | 0.11 |
熔敷金属力学性能(Ar+1%~5%O2气保护)
试验项目 | Rm (MPa) | ReL/Rp0.2 (MPa) | A (%) | KV2(J) -45℃ |
保证值 | ≥550 | ≥470 | ≥24 | ≥27 |
例值 | 575 | 484 | 28.5 | 198 200 210 |