ThenoncoppercoatedOKAristoRod12.52isamanganese-siliconalloyedsolidwireforGMAWofunalloyedsteels,suchasgeneralstructural,pressurevessel,shipbuildingandforfine-grainedcarbon-manganesesteelsforthesamepurposewithaminimumyieldstrengthof420MPa.TheAristoRodwiresaresuitableforoperatingathighcurrentswithmaintaineddisturbancefreewirefeedinggivingastablearcwithalowamountofspatter.OKAristoRod12.52canbedeliveredintheuniqueESABMarathonPac,whichisanexcellentchioceinmechanisedweldingapplicati***.TypicalTensilePropertiesEN80Ar20CO2(M21)AsweldedElongationTensileStrengthYieldStrengthStressRelievedTemperatureStressRelievedTestingTime26%560MPa480MPa--EN80Ar20CO2(M21)StressrelievedElongationTensileStrengthYieldStrengthStressRelievedTemperatureStressRelievedTestingTime28%495MPa380MPa620°C15hr夏比V型缺口冲击性能EN80Ar20CO2(M21)AsweldedImpactValueTestingTemperatureStressRelievedTestingTempStressRelievedTestingTime130J20°C--90J-20°C--70J-30°C--60J-40°C--EN80Ar20CO2(M21)StressrelievedImpactValueTestingTemperatureStressRelievedTestingTempStressRelievedTestingTime120J20°C620°C15hr90J-20°C620°C15hr焊缝金属分析MnMnCSiTi+Zr1.46%---CMnCSiTi+Zr-0.08%--SiMnCSiTi+Zr--0.85%-Ti+ZrMnCSiTi+Zr---<0,01%熔敷数据安培熔敷率电压V直径送丝速度60-200A0.8-2.3kg/h18-24V0.8mm3.2-10m/min70-250A0.9-3.5kg/h18-26V0.9mm3.0-12m/min80-300A1.0-5.5kg/h18-32V1.0mm2.7-15m/min120-380A1.3-8.0kg/h18-35V1.2mm2.5-15m/min150-420A1.6-8.7kg/h22-36V1.4mm2.3-12m/min225-550A2.1-9.4kg/h28-38V1.6mm2.3-10m/min)