OK73.79是一款镍合金化LMA焊条，适用于焊接在温度低至-101°C条件下具有冲击强度要求的3.5Ni钢。适用于***储罐和化工厂。TypicalTensilePropertiesAsweldedElongationTensileStrengthYieldStrength保护气体StressRelievedTemperatureStressRelievedTestingTime27%630MPa540MPaISO--StressrelievedElongationTensileStrengthYieldStrength保护气体StressRelievedTemperatureStressRelievedTestingTime---AWS620°C1hr夏比V型缺口冲击性能AsweldedImpactValueTestingTemperature保护气体StressRelievedTestingTempStressRelievedTestingTime130J-60°CISO--110J-75°CISO--StressrelievedImpactValueTestingTemperature保护气体StressRelievedTestingTempStressRelievedTestingTime--75°CAWS620°C1hr焊缝金属分析MnMnMoCSiNiCr0.8%-----MoMnMoCSiNiCr-0.01%----CMnMoCSiNiCr--0.06%---SiMnMoCSiNiCr---0.36%--NiMnMoCSiNiCr----3.37%-CrMnMoCSiNiCr-----0.05%熔敷数据Fusiontimeperelectrodeat90%Imaxkgweldmetal/kgelectrodesNumberofelectrodes/kgweldmetal安培熔敷率电压V直径60sec0.60kg76.070-110A0.80kg/h25V2.5x350mm77sec0.60kg37.080-150A1.50kg/h25V3.2x450mm88sec0.63kg26.090-190A1.80kg/h27V4.0x450mm100sec0.60kg15.0110-240A2.10kg/h29V5.0x450mm)