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Preheating in Welding Procedure Specification
Preheating in Welding Procedure Specification: Preheating is the act of heating the base metal before starting to weld. It is considered very essential in high thickness materials, Cr-Mo Steels & HSLA High Speed Low Alloy steels, etc… Here we are going to answer the below topics …
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Welder Qualification Certificate
Welding Welding – Process of joining similar metals (or thermoplastic). By heating them to suitable temperature May or may not require pressure May or may not require Filler metal Brazing -Process of joining dis-similar metals. By Melting and pouring the filler metal and pouring…
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Ultrasonic testing of Weld Joints
Ultrasonic Testing involves utilization of ultrasonic sound waves to detect defects inside a material. The welded joints have possibilities of defects inside the welds , or sometime near the weld zone. The few of defects that are often found in welds are Porosity, Cracks, Slag Inclusion,…
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What is stud welding?
Studs are welded to steel structures for the purpose of anchoring. They are used as anchoring for Concretes, Insulation etc., The studs may be threaded or headed bolts.The stud is inserted into the chuck of the welding…
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How to qualify a welder?
This blog will let you know how to qualify a welder. Purpose of welder qualification: To certify the ability of the welder to perform a specific welding process based on the qualified Welding Procedure Specification WPS, about qualification of welding procedure as per standard , I…
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How to get Welder Certificate?
What is welder qualification test? Welder Certificate is a document that shows ability of a welder to make a quality weld in a particular welding process. The Certificate also denotes on which type of welding material and…
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Welder Qualification Certificate
How to get Welder Certificate ? I will guide you here for attaining yourself or your employer an welder qualification certificate. Welding is an operator skill based process which should be controlled by a proper welding procedure (WPS), The welding process involves liquefying the base…
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Welder Certificate Approval by Welding Institute
How to make Welder Qualification ? Generally welder qualification test is made in the same industry facility.The company should possess their own welding Procedure Specification WPS for qualification of Welder. How to get this Welder Certificate Approval by Welding Institute . Lets see in this…
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