If we qualified a welder with thickness with test coupon of 10 mm or 14mm , then is there a range of accepted thickness (max & min.) for each case with GTAW or SMAW process.
The range of weld metal thickness for a welder is for each process deposited on a coupon thickness with the limits presented in QW-452.1(b). Look at QW-306 for combined welding processes in a coupon.