【徹底検証】溶接する時に黒皮を取らないとどうなる?

This time, we investigated the effect of mill scale on welding. *If you use this video as a reference, please prioritize your company's instructions and proceed at your own risk. ---------------- We post daily steel stories, including welding beads, on Instagram, so please follow us if you're interested! ↓ Instagram ↓   / welding_0818