适用于焊接***小U.T.S.690MPa钢材和铸件的碱性药皮焊条。TypicalTensilePropertiesStressrelievedElongationStressRelievedTemperatureStressRelievedTestingTimeTensileStrengthYieldStrength保护气体25%590°C1hr720MPa630MPaISO-620°C1hr--AWS夏比V型缺口冲击性能StressrelievedImpactValueStressRelievedTestingTempStressRelievedTestingTimeTestingTemperature保护气体75J590°C1hr-40°CISO60J590°C1hr-50°CISO-620°C1hr-50°CAWS焊缝金属分析MnMnMoCSiNiCr1.74%-----MoMnMoCSiNiCr-0.34%----CMnMoCSiNiCr--0.06%---SiMnMoCSiNiCr---0.37%--NiMnMoCSiNiCr----0.83%-CrMnMoCSiNiCr-----0.04%熔敷数据Fusiontimeperelectrodeat90%Imaxkgweldmetal/kgelectrodesNumberofelectrodes/kgweldmetal安培熔敷率电压V直径60.1sec0.61kg69.475-100A0.86kg/h21.6V2.5x350mm63sec0.63kg42110-140A1.35kg/h23V3.2x350mm85.6sec0.65kg35110-140A1.2kg/h22V3.2x450mm93.4sec0.62kg22.4150-190A1.72kg/h22.8V4.0x450mm92.6sec0.68kg14.3190-260A2.72kg/h22.8V5.0x450mm)