详细说明 J422碳钢焊条J422是钛钙型药皮碳钢焊条,具有优良的焊接工艺性能,电弧稳定,焊道美观,飞溅小,交直流两用,可进行全位置焊接。J422 is carbon steel type electrode with Titanium-calcium coating. It has superiors welding technologic performances along with the stable arc. With less welding spatter, the welding wave is beautiful. It can be used in all position of welding, and both of AC and DC. 牌号Type 焊缝金属力学性能Mechanical properties of weld metal 焊丝化学成分Chemical composition of weld metal(%) 屈服强度YieldStrength(MPa) 抗拉强度Tensile Strength(MPa) 延伸度Elongation(%) 冲击值ImpactValue(J) 碳 C 锰 Mn 硅 Si 硫 S 磷 P J422 ≥330 ≥420 ≥22 ≥47(-20℃) ≤0.12 0.30~0.60 ≤0.25 ≤0.035 ≤0.040 牌号Type 主要用途Main Characteristics and Applications J422 用于焊接较重要的低碳钢结构和强度等级较低的低合金钢。Suitable for welding of critical structures of low carbon steel and low-grade strength of low alloy.