说明OK68.55是一种适用于焊接诸如SAF2507和Zeron100等超级双相奥氏体-铁素体钢种的碱性药皮焊条。TypicalTensilePropertiesAsweldedElongationTensileStrengthYieldStrength保护气体28%900MPa700MPaISO夏比V型缺口冲击性能AsweldedImpactValueTestingTemperature保护气体90J20°CISO70J-20°CISO55J-40°CISO45J-60°CISO焊缝金属分析MnMnMoCSiFerriteFNNiNCr0.9%-------MoMnMoCSiFerriteFNNiNCr-4.3%------CMnMoCSiFerriteFNNiNCr--0.03%-----SiMnMoCSiFerriteFNNiNCr---0.6%----FerriteFNMnMoCSiFerriteFNNiNCr----45%---NiMnMoCSiFerriteFNNiNCr-----10.4%--CrMnMoCSiFerriteFNNiNCr-------25.2%熔敷数据Fusiontimeperelectrodeat90%Imaxkgweldmetal/kgelectrodesNumberofelectrodes/kgweldmetal安培熔敷率电压V直径48sec0.62kg9350-80A0.8kg/h23V2.5x300mm68sec0.63kg4660-100A1.1kg/h23V3.2x350mm70sec0.62kg32100-140A1.6kg/h23V4.0x350mm)