welding procedure
14 November 2023


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Welding Procedure Qualification – WPS/PQR Plan

Scope of Work: Welding test coupons and qualification of Welding Procedure in reference with International standard ASME BPVC Section IX , revision 2021. Procedure for WPS/PQR: 1) Preparation of test coupon ofdimension:150x350mm Plate 10mm thick as shown in figure1 (qualification range 1.5mm to 20mm- full penetration, Fillet- all…
welder qualification
8 August 2022


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Types of Weld Joints

Here we are going to see about two types of weld Joints Groove Welds Fillet Welds Dimensions 1.1.  Groove Welds: In the following figures, the perspective drawings of types of weld joints are shown at the left, looking at each joint from the arrow side. The…
welding procedure
8 July 2022


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WELDING INSPECTION DUTIES

Welding Inspection duties General Conditions:    Understand shop drawings, erection drawings, referenced codes and standards. Review the manufacturer’s Material Test Report (MTR). Verify all materials properties and that all materials are readily identifiable and traceable to an MTR.    Conduct a complete visual examination…
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
27 May 2022


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Welding Safety

Welding Safety with Gas Cylinders On an oxyacetylene system there will be three types of valves, the cylinder valve, the regulator valve, and the torch valve. There will always be a set of three valves for each system, since  the gas in the cylinders is…
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…
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…