适用于焊接25Cr 20Ni钢的碱性药皮MMA焊条。其也适用于焊接装甲钢、奥氏体锰钢,以及异种钢的焊接。Typical Tensile Properties As welded Elongation Tensile Strength Yield Strength 保护气体 35 % 590 MPa 410 MPa ISO - - - AWS 夏比V型缺口冲击性能 As welded Impact Value Testing Temperature 保护气体 100 J 20 °C ISO 焊缝金属分析 Mn Mn C Si Ni Cr 2.0 % - - - - C Mn C Si Ni Cr - 0.10 % - - - Si Mn C Si Ni Cr - - 0.4 % - - Ni Mn C Si Ni Cr - - - 21.3 % - Cr Mn C Si Ni Cr - - - - 25.7 % 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 36 sec 0.62 kg 162 45-55 A 0.6 kg/h 24 V 2.0 x 300 mm 40 sec 0.61 kg 96 50-85 A 0.9 kg/h 25 V 2.5 x 300 mm 60 sec 0.59 kg 50 60-115 A 1.2 kg/h 25 V 3.2 x 350 mm 62 sec 0.59 kg 28 70-160 A 1.8 kg/h 26 V 4.0 x 350 mm 65 sec 0.60 kg 22 130-200 A 2.5 kg/h 26 V 5.0 x 350 mm