What Number Lens for Arc Welding: Selecting the Best Shade for Your Safety
For Shielded Metal Arc Welding (SMAW), choose a lens shade based on the amperage. Use shade #7 for under 60 amps. Use shade #8 at 70 amps, shade #9 at 90 amps, and shade #11 for over 300 amps. Follow OSHA guidelines. Always prioritize safety and protect your eyes during arc welding. For example, if … Read more