visual inspection on welding
23 June 2022


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Training Institute for Welding and NDT

Equipment’s required for Welding Institute set up. Welding is a process of joining metals or nonmetals such as plastic. There are different types of welding, and few of them are as below. SMAW- Shielded Metal Arc Welding (commonly…
17 June 2022


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Material Testing

Material testing Mechanical testing  have been designed to test several weld properties.Few other material testing techniques are Charpy V-Notch Toughness: Notch toughness is the capacity that a material possesses to absorb energy in the presence of a flaw, such as a notch or crack. The material will…
Welding procedure specification
18 May 2022


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Safety and Precautions during welding

As in any welding process, safety precautions are very important. All information relating to the safe operation of the welding equipment and process must be fully understood before beginning work. A careless welder who does not observe some simple rules can cause a dangerous situation…
Welder Qualification
3 May 2022


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Weld crack

Weld crack   1.1. Cracking: If a weld crack is found, it must be removed and magnetic-particle inspection performed to ensure every point has been removed before re-welding. Weld Crack can occur on top of a weld…
welding institute
23 April 2022


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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…
welding symbols
20 April 2022


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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…
31 March 2022


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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…
Welding procedure
18 March 2022


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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.
Welding standards
11 March 2022


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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…
welding inspector
28 February 2022


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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…