102 what's the difference between red skin and white skin in covered electrode?

102 covered electrode red skin and white skin are two common covered electrode, and their differences are mainly reflected in the following aspects:

1. Chemical composition: The chemical composition of covered electrode with red skin is different from that of covered electrode with white skin. Red covered electrode usually contains high carbon content and alloying elements, which is suitable for welding high-strength materials. However, white leather covered electrode is usually low in carbon content and alloying elements, which is suitable for welding low-strength materials.

2. Welding performance: The welding performance of red covered electrode and white covered electrode is also different. Red covered electrode usually has high welding strength and toughness, and is suitable for welding high-strength structures. However, white covered electrode usually has low welding strength and toughness and is suitable for welding general structures.

3. Scope of application: covered electrode with red skin and covered electrode with white skin have different scope of application. Red covered electrode is usually suitable for welding thick plates and heavy structures; White leather covered electrode is usually suitable for welding thin plates and light structures.

It is necessary to choose a suitable covered electrode according to the specific welding requirements and working environment. If you need to weld high-strength materials or heavy structures, you can choose red covered electrode; If it is necessary to weld low-strength materials or light structures, white leather covered electrode can be selected.