Apr 15, 2009 · Hey guys, I have to make a couple of API-1104 welding procedures for a project we are going to be working on, and was hoping to get some insight on the differences in the codes and what …

Feb 18, 2014 · When qualifying a welder to API 1104, can a different grade of pipe be substituted for what is listed on the weld procedure being used for welder qualification. I understand that pipe grade …

Feb 24, 2015 · API 1104 5.4.2.2 reference follows: “ When welding materials of two separate material groups, the procedure for the higher strength group shall be used ”. However, for you to be …

Feb 19, 2013 · Hi, With regards to API-1104 Section-5.4.2.2. Can you please inform if I am interpreting the section on base materials correctly. 1. If i qualify a weld procedure using API X70 to X70 pipe, …

Jun 21, 2007 · A 1104 repair procedure consist of making a regular butt weld, Then removing weld metal including the bead. You measure the perameters just like when setting the original procedure.

Aug 21, 2009 · API 1104 is a standard for the qualification of WPS and welders for oil and gas pipelines. ASME B31.3 is a standard for the design and erection of chemical plant and oil refinery piping.

Sep 17, 2014 · So I struggle with this section of the standard (1104) and its interpretation: 5.4.2.3 Joint Design A major change in joint design (e.g. from V groove to U groove) constitutes an essential …

Sep 6, 2013 · As per your suggestion I have posted question (c) in the API section, still awaiting answer. As weld procedures have to be qualified and tested prior to any welding to API-1104 specification …

Nov 26, 2009 · I have recently been involved at my company in the development of crack repair procedures for natural gas pipelines. The code specifically requires a qualified procedure for cracks …

Sep 15, 2013 · API-1104 Section 5.4.22 states; When welding pipe of different base materials. The procedure for the higher strength base material group shall be used for the qualification of welding …