Mechanical Properties of Materials
The mechanical properties of the metals are those which are associated with the ability of the material to resist mechanical
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Knuckle Joints
WHAT IS A KNUCKLE JOINT? A knuckle joint is a type of mechanical joint used to join two components that
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Glossary of Valve Terms
The commonly used terms and definitions related to valves is given below; Actual pressure drop: The difference between the inlet
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Pressure Safety Valve – What is a Valve (Part – 6)
Pressure Safety Valve / Relief Valve A safety valve is a valve that acts as a protection of equipment from
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Aluminum and aluminum alloys
Introduction: Aluminum is found on the earth in its oxidized form known as Bauxite. Bauxite is refined to produce Alumina
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Butterfly Valves – What is a Valve (Part – 6)
In the Valves Part-1, we discussed what is a valve, its history, and its categorization (Click here to read). In
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Ball Valves – What is a Valve (Part – 5)
In the Valves Part-1, we discussed what is a valve, its history, and its categorization (Click here to read). In
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Low Hydrogen Electrodes
Low Hydrogen electrodes are very popular in the industries because of the following reasons; Ability to produce X-ray quality welds
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What is stainless steel
This article covers the following topics/questions; What is stainless steel? Types of stainless steel. Is stainless steel magnetic? Stainless steel
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Underwater Welding
Underwater welding is used for repairing ships, offshore structures including oil drilling rigs, and pipelines that are submerged in water.
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Plug Valves – What is a Valve (Part – 4)
In the Valves Part-1, you learned what is a valve, its history, and its categorization (Click here to read). In
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Gate Valves – What is a Valve (Part – 3)
In the Valves Part-1, you learned What is a valve, its history, and its categorization (Click here to read). In
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Basics of Heat Treatment for Metallic Material (Part-1)
Scope: In this article fundamentals of heat treatment will be discussed briefly mainly related to the “base material” of welded
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Basics of Heat Treatment (Part-0)
Scope: In this article, fundamental concepts of heat treatment will be discussed to give an overview to the reader with
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How to select welding electrodes
The selection of right welding electrodes is a quite challenging job because we need to consider many factors while choosing
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How To Make Weld Map, Shop Weld Plan, WPS, PQR & WPQ for A Static Pressure Vessel (Part-3)
Scope: In part-2, of this article, we had discussed the sequence to be used for qualification of procedure (PQR) which
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Summary of ASME BPVC Section VIII Div 1 (Part 4)
In Part-3 of this article the Subsection A was covered from UG-36 up to UG-79, to read the Part-3 of
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Globe Valves – What is a Valve (Part – 2)
In the Valves Part-1, you learned, What is a valve, its history and its categorization, to read that article please
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How To Make Weld Map, Shop Weld Plan, WPS, PQR & WPQ for A Static Pressure Vessel (Part-2)
Scope: In part-1 (Click here to read), of this article, we had discussed about the preparation and approval of the
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Summary of ASME BPVC Section VIII Div 1 (Part 3)
In Part-2 of this article, the Subsection A was covered from UG-17 up to UG-35 Design and to read the
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What is a Valve (Part – 1)
Introduction: Valves are mechanical devices, specifically designed to direct, start, stop, mix, or regulate the flow, pressure and temperature of
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Summary of ASME BPVC Section VIII Div 1 (Part 2)
In Part-1 of this article we had discussed about what ASME SEC VIII DIV I deals, code cases, scope, its
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How To Make Weld Map, Shop Weld Plan, WPS, PQR & WPQ for A Static Pressure Vessel (Part-1)
Scope: This article will deal with step by step guide for the preparation of Weld Map, Shop Weld Plan, WPS,
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Summary of ASME BPVC Section VIII Div 1 (Part 1)
ASME SEC VIII DIV I deals with the rules for the construction of pressure vessels. This code is a part
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How to calculate heat input
Heat input is a critical parameter for arc welding processes and it must be controlled to ensure sound weld quality.
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Plasma Arc Welding (PAW)
Plasma arc welding (PAW) is an arc welding process in which the heat required for welding is generated by a
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Acceptance Criteria for Weld Defects
This article covers the weld defect acceptance criteria as per ASME Section VIII Div 1 Acceptance criteria for Visual Inspection
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