AtomArc8018electrodesdeposit1%Niweldmetal.Theyareusedprimarilytoweldhigh-tensilesteelsinthe70-80ksi(483-552MPa)tensilestrengthrange,especiallywherenotchtoughnessattemperaturesaslowas-40°F(-40°C)isrequired.TypicalTensilePropertiesConditionElongationStressRelievedTemperatureStressRelievedTestingTimeTensileStrengthYieldStrengthStressRelieved30%1150°F8hr81ksi70ksi夏比V型缺口冲击性能ConditionImpactValueStressRelievedTestingTempStressRelievedTestingTimeTestingTemperatureStressRelieved129ft-lb1150°F8hr-20°FStressRelieved115ft-lb1150°F8hr-40°F焊缝金属分析PPMnMoCSSiNi0.01%------MnPMnMoCSSiNi-1.11%-----MoPMnMoCSSiNi--0.13%----CPMnMoCSSiNi---0.05%---SiPMnMoCSSiNi-----0.33%-NiPMnMoCSSiNi------0.97%熔敷数据安培效率(%)***佳电流熔敷率直径70-100A66.3%90A0.8kg/h2.4mm90-160A71.6%120A1.2kg/h1/8in.90-160A70.9%140A1.2kg/h1/8in.130-220A75%140A1.1kg/h4.0mm130-220A73.5%170A1.7kg/h4.0mm200-300A76.4%200A2.2kg/h3/16in.200-300A74.6%250A2.4kg/h3/16in.)