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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…
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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…
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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…
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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.
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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…
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Weld Position- Fillet Welds
Fillet Weld Positions The advantage of the fillet-welded joint is that it’s unnecessary to prepare the edges of the plates or sheets for welding. Double fillet-welded joints are an improvement over single-fillet joints because they can withstand loads from more than one direction. Three of the…
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STANDARDS FOR WELDING POSITIONS
Standards for Welding Positions: It is very important for the Weld Inspector to know the position, or location of a joint relative to the horizon, because it may determine what welding process, methods, and techniques can be used. Welding is usually easiest when the welder can…
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Types of Welding
Types of Welding Welding process involves joining of two metals and sometimes non-metals such as plastic There are many different types of weld, as below: Arc welding Atomic Hydrogen Welding ( AHW) Bare Metal Arc Welding (BMAW) Carbon Arc Welding (CAW) CAW-G—– Gas CAW-S—-Shielded CAW-T—–Twin Electro Gas Welding (EGW) …
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