To qualify a WPS, test coupons must pass: | Test Type | Applicability | Acceptance Criteria | |-----------|---------------|----------------------| | | All procedures | Ultimate tensile strength ≥ specified base metal minimum | | Guided Bend Test (QW-160) | All procedures (except impact-tested) | No open defects > 1/8” in bend direction | | Fillet Weld Break Test (QW-180) | Fillet welds only | Complete fusion at root; no visible cracks | | Impact Test (QW-170) | When required by design code (e.g., Section VIII Div. 1) | Minimum absorbed energy (e.g., 20 ft-lbf at -20°F) |
A record of the welding data used to weld a test coupon. It includes the actual values of variables used and the results of required tests (such as tension and bend tests) to prove the procedure produces a sound weld. welding standard asme
Recent editions of Section IX have introduced: To qualify a WPS, test coupons must pass: