3/8 in. Plate Welder Performance Qualification Coupon (Single Bevel) Welder Certification Oxygen pressure too high

Oxygen pressure too high

Appropriate measuring tools include the ruler for rough estimates and either the micrometer or caliper for more exact measurements

wall pipe ready for tacking to your preferred root gap

XXH wall pipe ready for tacking to your preferred root gap

3/8 in. Plate Welder Performance Qualification Coupon (Single Bevel) Welder Certification Oxygen pressure too highReady to weld coupon for limited thickness (1 8 in. to 3 4 in.) welder performance qualification to AWS D1. 1, and ASME IX. 45 Degree single bevel with 1 4" root gap and backer bar Intended for 2G welding position Hot rolled ASTM A36 material