API API-577 Question Answer
At least how far on each side of the weld should preheat be maintained?
2 in. (5.1 cm)
3 in. (7.6 cm)
4 in. (10.2 cm)
6 in. (15.2 cm)
TESTED 15 Aug 2025
Copyright © 2014-2025 ACE4Sure. All Rights Reserved