Welding Inspector !exclusive! -

“Hold,” John said.

“The crack doesn’t know that,” John said quietly. He pointed to the HAZ—the heat-affected zone. Under that tiny, proud ridge, the microstructure of the steel had changed. It was slightly harder. Slightly more brittle. “You rushed the cool-down on the last fill. Pumped the heat too high to beat the weather. This isn’t a bridge in Kansas, kid. This is a pipeline carrying sour gas at twelve hundred psi, two thousand feet below the surface, in water cold enough to make steel shatter like glass.” welding inspector

“Ship it,” John said.