R307焊条，镍基焊条焊丝，钴基焊条焊丝，耐磨焊条焊丝，详细描述牌号\化学成分CMnSiCrMoVWNbNiSPR102≤0.12≤0.6≤0.40.4-0.60≤0.035≤0.035R107≤0.120.5-0.9≤0.50.4-0.65≤0.035≤0.035R202≤0.120.5-0.9≤0.50.4-0.650.4-0.65≤0.035≤0.035R207≤0.120.5-0.9≤0.50.4-0.650.4-0.65≤0.035≤0.035R302≤0.12≤0.9≤0.51-1.50.4-0.6≤0.035≤0.035R307≤0.12≤0.9≤0.50.8-1.20.4-0.65≤0.035≤0.035R310≤0.12≤0.9≤0.51-1.50.4-0.650.1-0.35≤0.035≤0.035R312≤0.12≤0.9≤0.51-1.50.4-0.650.1-0.35≤0.035≤0.035R317≤0.120.5-0.9≤0.51-1.50.4-0.650.1-0.35≤0.035≤0.035***7≤0.120.7-1.1≤0.51-1.50.7-1.10.25-0.350.25-0.5≤0.035≤0.035R337≤0.120.5-1.0≤0.51-1.50.7-10.15-0.40.1-0.25≤0.035≤0.035R402≤0.12≤0.9≤0.52-2.50.9-1.2≤0.035≤0.035R407≤0.120.5-0.9≤0.52-2.50.9-1.2≤0.035≤0.035R427≤0.120.5-0.9≤0.52.4-30.8-1.10.2-0.40.3-0.550.1-0.25≤0.035≤0.035R507≤0.120.5-0.9≤0.54.5-60.4-0.70.1-0.35≤0.035≤0.035R707≤0.150.5-1.0≤0.58.5-100.7-1.0≤0.035≤0.035R717≤0.120.6-1.2≤0.58-9.50.8-1.10.15-0.40.02-0.080.4-1.0≤0.030≤0.035R807≤0.150.5-1≤0.59.5-11.50.6-0.90.2-0.40.6-0.9≤0.030≤0.035R817≤0.190.5-1≤0.59.5-120.8-1.10.2-0.40.4-0.70.4-1.1≤0.030≤0.035)