标准：

符合GB SAI4043

相当 AWS ER4043

说明：

ER4043是一种通用性较大的铝硅焊丝，焊缝金属具有良好的抗热裂能力，也能保证一定的机械性能。但是在进行阳极化处理的场合，焊缝金属与母材颜色不同。焊接时在铝镁合金焊缝中能生成脆性Mg2Si,使接头的塑性和耐蚀性降低。

ER4043 is a versatile aluminum-silicon welding wire. The weld metal has good thermal crack resistance and certain mechanical properties. However, in the case of anodizing, the color of the weld metal is different from that of the base metal. During welding, brittle Mg2Si can be formed in the welding seam of aluminum-magnesium alloy, which reduces the plasticity and corrosion resistance of the joint.

用途：

用于除铝镁合金以外的铝合金工件和铸件尤其6xxxx系列合金的氩弧焊及氧-乙炔气焊时填充材料，特别对易产生热裂缝的热处理强化铝合金，可获得较好的效果。

It is used as a filler material for argon arc welding and oxygen-acetylene gas welding of aluminum alloy workpieces and castings other than aluminum-magnesium alloys, especially 6xxxx series alloys, especially for heat-treated strengthened aluminum alloys that are prone to hot cracks, and can obtain better results.

焊丝化学成分：

供应规格（mm）：

注意事项：

1. 焊前应严格清除工件焊接边缘及焊丝表面的氧化膜和油污等污物。

2. 施焊时可采用垫板托住熔化金属，以保证焊缝的成形。

3. 氧-乙炔气焊时必须配铝气焊熔剂共同使用。

1. Strictly remove the oxide film and oil stains on the welding edge of the workpiece and the surface of the welding wire before welding.

2. When welding, a backing plate can be used to hold the molten metal to ensure the formation of the weld.

3. Oxygen-acetylene gas welding must be used together with aluminum gas welding flux.