The nick-break test is specified by API 1104, Standard for Welding Pipelines and Related Facilities, to evaluate the quality of pipe welds. Nick Break Test Procedure

May 29, 2003 · Some nick-break specimens tested (prepared from welds made with a manual process -SMAW-) broken in the fusion zone or in the weld/fusion zone, should the specimens be considered …

Oct 24, 2014 · Qualifying a procedure or welder to API 1104 typically has fewer steps than most AWS or ASME requirements. Testing in API Procedures Some API procedures can be completed without the …

Dec 23, 2022 · Nick Break Test is mainly used for welder performace qualification as per API 1104 code. This is similar to fillet weld test but instead it is used for groove welds.

Welding of Pipelines and Related Facilities Pipeline Segment API STANDARD 1104 NINETEENTH EDITION, SEPTEMBER 1999 ERRATA 1, OCTOBER 31,2001 Reproduced By IHS Wilh The …

May 15, 2010 · To my knowledge only API 1104 recognizes the nick break test. One must remember it is only used for cross country transmission lines, so the acceptance criteria is pretty loosey goosey. …

The fractured specimen cross section is then visually examined for imperfections. The test is performed on fillet weld and butt weld joint. Fracture Test: T – Joint Lap Joint Nick-Break Test: Butt Joint Test …

API-1104 QUALIFIED RANGES Diameter: 2.375” o.d. thru 12.75” o.d. Filler Metal Group: API Group 1 Thickness: 0.187” thru 0.750” Joint Type: Material: Yield greater than 42 kip to – equal to or less than …