blogs
blogs
blogs
Dissimilar metal in TIG Welding process
Why use this TIG welding process: TIG Tungsten Inert Gas otherwise called as GTAW- Gas Tungsten Arc Welding , Involves melting the metal using the arc created by tungsten electrode, The welding can be done with or without filler metal, Argon Gas is used as shielding around…
blogs
WELDING PROCEDURE FOR JOISTS
WELDING FOR JOISTS AND FINISHING OF MACHINING RAILS Unless otherwise authorized by the engineer, any welding to the top flange of steel members for supporting floor form joists and finishing machine rails will not be permitted. Welding of hangers and supports to shear studs will…
blogs
Weld Test Coupon Preparation
Bend Test Coupon Preparation First the centerline on the plate shall be marked. Then another line 1.0 inch above the center line and another line 1 inch below the center line. This is the section that can be used as an alternate coupon in the event…
blogs
WELDING TEST COUPON PROCEDURES
Welding Procedures Follow a clear example of test coupons welding procedures for a 3G welding certification. In this 3G welding procedure the notes were taken from the same section of the AWS code that are used for the 3/8 inch limited thickness test procedure.
blogs
Weld defects
Failure investigation often uncovers facts that lead to changes in design, manufacturing, or operating practice, which will eliminate similar failures in the future. Failures of insignificant parts can also lead to advances in knowledge and should be done objectively, as with a large structure. The…
blogs
Welding Inspector certification
Levels of Certification AWS 1:2003 There are three levels of qualifications for welding inspector personnel. These levels are: AWI – Associate Welding Inspector; WI – Welding Inspector; SWI – Senior Welding Inspector. 1.1) Associate Welding…
blogs
Concepts of Welding Defects and Discontinuities
Welding defects can be classified as structural discontinuities and consist of: porosity, slag inclusions, lack of fusion, cracks, etc. Porosity is gas pockets or voids in the weld metal which are free of any solid materials, such as It is formed as a result…
blogs
Fillet Weld Sizes as per AWS D1.1 & AWS D1.2
Fillet Weld Sizes as per AWS D1.1 & AWS D1.2 This blog here answers your questions about: What is the tolerance for Fillet weld sizes as per AWS D1.1 ? What is the weld size tolerance? What is the required fillet weld size for structures…
blogs