OKTigrod13.28是一种适合压力容器、管道及海洋工程领域所用***小屈服强度达470MPa低温钢、细粒钢GTAW焊接的2.4Ni合金化(ER80S-Ni2)镀铜焊丝。该焊丝在-60°C条件下具有良好的冲击韧性。TypicalTensilePropertiesArAWSAsweldedElongationTensileStrengthYieldStrengthStressRelievedTemperatureStressRelievedTestingTime31%600MPa495MPa--ArAWSStressrelievedElongationTensileStrengthYieldStrengthStressRelievedTemperatureStressRelievedTestingTime30%585MPa515MPa620°C1hrI1ENAsweldedElongationTensileStrengthYieldStrengthStressRelievedTemperatureStressRelievedTestingTime30%630MPa540MPa--夏比V型缺口冲击性能ArAWSAsweldedImpactValueTestingTemperatureStressRelievedTestingTempStressRelievedTestingTime180J-60°C--ArAWSStressrelievedImpactValueTestingTemperatureStressRelievedTestingTempStressRelievedTestingTime150J-60°C620°C1hr150J-101°C620°C1hrI1ENAsweldedImpactValueTestingTemperatureStressRelievedTestingTempStressRelievedTestingTime150J-60°C--焊缝金属分析MnMnCSiNiCr1.04%----CMnCSiNiCr-0.08%---SiMnCSiNiCr--0.53%--NiMnCSiNiCr---2.36%-CrMnCSiNiCr----0.03%)