OK 67.75是一款碱性药皮不锈钢焊条,适合焊接24Cr13Ni牌号钢种,使用不锈钢堆焊低碳钢时的过渡层焊接,以及异种钢焊接和复合钢不锈钢一面的根部焊道 焊接。Typical Tensile Properties As welded 保护气体 Elongation Tensile Strength Yield Strength ISO - - - AWS 35 % 600 MPa 470 MPa 夏比V型缺口冲击性能 As welded Testing Temperature 保护气体 Impact Value 20 °C ISO - -80 °C ISO - 20 °C AWS 75 J -50 °C AWS 64 J -80 °C AWS 55 J 焊缝金属分析 Mn Mn C Si Ferrite FN Ni N Cr 2.0 % - - - - - - C Mn C Si Ferrite FN Ni N Cr - 0.04 % - - - - - Si Mn C Si Ferrite FN Ni N Cr - - 0.3 % - - - - Ferrite FN Mn C Si Ferrite FN Ni N Cr - - - 11 % - - - Ni Mn C Si Ferrite FN Ni N Cr - - - - 12.9 % - - Cr Mn C Si Ferrite FN Ni N Cr - - - - - - 23.5 % 熔敷数据 Fusion time per electrode at 90% I max kg weld metal/kg electrodes Number of electrodes/kg weld metal 安培 熔敷率 电压 V 直径 42 sec 0.73 kg 78 50-80 A 1.1 kg/h 22 V 2.5 x 300 mm 60 sec 0.73 kg 39 80-120 A 1.5 kg/h 24 V 3.2 x 350 mm 62 sec 0.73 kg 25 80-150 A 2.3 kg/h 26 V 4.0 x 350 mm 65 sec 0.73 kg 17 160-220 A 3.4 kg/h 27 V 5.0 x 350 mm