Posts by wilson
What is Cold Welding?
Cold welding also known as Thread Galling is a phenomenon that can occur during the tightening - mainly at high speed - of threaded connections. It is caused by a combination of pressure and friction ...
Hastelloy® Alloys
Hastelloy® metals and alloys are known for their superior ability to withstand high temperatures and corrosion. Haynes International first developed this type of super alloys after the invention of st...
Inconel® Alloys
Inconel® is a registered trademark of Special Metals Corporation for a family of austenitic nickel-chromium-based superalloys.
Inconel® alloys are one of the most versatile metals available. Thanks...
Is Inconel® 625 the same as Nickel 625?
The chemical properties, mechanical properties and applications are within the same quality standards, so both materials are the same. Inconel® however, is a trademark that can only be used by one man...
Stainless Steel 316/304 vs 316L/304L
As American Iron and Steel Institute (AISI) basic grades, the only practical difference between 304 / 316 and 304L / 316L is carbon content; the means the lower carbon content.
The carbon ranges a...
Learn about Six ASME B31.3 Fluid Service Types
Category D Fluid Service
Any ASME B31.3 Fluid Service Types that fulfilled all the requirements stated here; are categorized as Category D.
The first condition is that the fluid handled is non-fla...
What is Sour Service for pipeline system?
Any process fluid that contains hydrogen sulphide is defined as Sour Service.
As per MR0175, it is a process atmosphere that contains H2S, which may lead to cracking in the material.
Sour Servic...
What’s the NACE Steel Pipe?
What is NACE?
While working in piping, you may have come across the term NACE Pipe. Well. Pipes are generally defined by materials such as carbon steel or stainless steel or by manufacturing type suc...
ASME B16.47 Nipo Flange
Nipo Flange Pressure Rating ANSI
Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Nipo Flange
Nipo Flange Pressure Calculation in DIN
6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN...
Introduction to heat exchangers
Refining chemical projects several common heat exchanger introduction
1. All-welded plate and shell heat exchanger
Refining PX combined unit, reforming, disproportionation, isomerization unit feed h...
