型号 hx.j422 材质 碳钢焊条 焊芯直径 3.2，4.0（mm） 品牌 海翔 类型 碳钢焊条 hx·j422 碳钢焊条 carbon steel electrode 用 途 焊接较重要的低碳钢结构和强度等级较低的低合金钢，如09mn2及船用a、b级钢焊接。 主要特点 钛钙型药皮的碳钢焊条； 具有优良的焊接工艺性能，电弧稳定，焊道美观，飞溅少，再引弧容易； 交直流两用，可进行全位置焊接。 相当标准 jis d4303 application: suitable for welding important low carbon steel structure and low alloyed steel with low strength, such as the welding of 09mn2 and grade a & b steel for marine use. main charateristics: carbon steel electrode with lime-titania type coating excellent welding process, stable electric arc, beautiful welding bead, little splash, easy restarting exchangeable ac/dc, all position welding equivalent standard: jis d4303 熔敷金属化学成分chemical composition of deposited metal (%) c mn si s p ≤0.12 0.30～0.60 ≤0.25 ≤0.035 ≤0.040 熔敷金属力学性能mechanical property of deposited metal 抗拉强度 teile strength mpa 屈服强度 yield strength mpa 伸长率 elongation rate (%) 试验温度 test temperature ℃ akv冲击功 akv impact value (j) ≥420 ≥330 ≥22 0 ≥27 x射线探伤要求:ⅱ级 x radiographic ipection requirements: grade ⅱ 参考电流:(ac或dc + ) reference current: (ac or dc + ) 焊条直径diameter(mm) φ2.0 φ2.5 φ3.2 φ4.0 φ5.0 焊接电流 welding current (a) 40～70 60～100 90～150 130～210 180～270