ASTM A 36 Steel – Mechanical & Chemical Properties and Equivalent Steel Grades
ASTM A 36 or SA 36 is basically carbon steel of structural quality which is widely used in industries. It
Read more
Mechanical Properties of Materials
The mechanical properties of the metals are those which are associated with the ability of the material to resist mechanical
Read more
Knuckle Joints
WHAT IS A KNUCKLE JOINT? A knuckle joint is a type of mechanical joint used to join two components that
Read more
Glossary of Valve Terms
The commonly used terms and definitions related to valves is given below; Actual pressure drop: The difference between the inlet
Read more
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
Read more
Aluminum and aluminum alloys
Introduction: Aluminum is found on the earth in its oxidized form known as Bauxite. Bauxite is refined to produce Alumina
Read more
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
Read more
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
Read more
Low Hydrogen Electrodes
Low Hydrogen electrodes are very popular in the industries because of the following reasons; Ability to produce X-ray quality welds
Read more
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
Read more
Underwater Welding
Underwater welding is used for repairing ships, offshore structures including oil drilling rigs, and pipelines that are submerged in water.
Read more
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
Read more
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
Read more
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
Read more
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
Read more
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
Read more
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
Read more
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
Read more
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
Read more
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
Read more
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
Read more
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
Read more
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
Read more
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,
Read more
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
Read more
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.
Read more
Plasma Arc Welding (PAW)
Plasma arc welding (PAW) is an arc welding process in which the heat required for welding is generated by a
Read more