OK76.96是一款含有9Cr1Mo的LMA焊条，适合焊接抗蠕变钢种。其非常适用于焊接管道。该焊条可产生稳定的电弧，飞溅损失***。通常预热与层间温度为150-260°C。在此所列的机械性能参数为740°C热处理一小时之后测得。TypicalTensilePropertiesPWHT740°C1h保护气体ElongationStressRelievedTemperatureStressRelievedTestingTimeTensileStrengthYieldStrengthISO-----Stressrelieved保护气体ElongationStressRelievedTemperatureStressRelievedTestingTimeTensileStrengthYieldStrengthISO17%650°C2hr850MPa730MPaISO22%750°C2hr720MPa550MPaISO>20%850°C2hr>450MPa-PWHT740°C1h保护气体ElongationStressRelievedTemperatureStressRelievedTestingTimeTensileStrengthYieldStrengthAWS-----夏比V型缺口冲击性能StressrelievedImpactValueStressRelievedTestingTempStressRelievedTestingTimeTestingTemperature保护气体25J650°C2hr20°CISO60J750°C2hr20°CISO80J850°C2hr20°CISO熔敷数据Fusiontimeperelectrodeat90%Imaxkgweldmetal/kgelectrodesNumberofelectrodes/kgweldmetal安培熔敷率电压V直径49hr0.58kg131.055-75A0.50kg/h23V2.0x300mm51hr0.55kg92.070-100A0.80kg/h25V2.5x300mm70hr0.55kg50.090-135A1.10kg/h26V3.2x350mm80hr0.64kg22.5130-200A1.90kg/h21V4.0x450mm)