What is the difference between steel and mild steel? Well, one might think that it’s all in the name bit this is most certainly not the case. There ar[……]
What is the difference between steel and mild steel? Well, one might think that it’s all in the name bit this is most certainly not the case. There ar[……]
Pipe and tube are same in shape etc. But only difference is the pipe is used for Transferring Material (Gas, Liquid etc.)
And where it is used for Heat Exchanging purpose , It is called tube.
Pipe is identified by NB and thickness is defined by Schedule whereas Tube is
identified by OD.[……]
On the other hand API 5L defines grades that are comparable to A106 (Gr A & B) while 5L encompasses much more higher strength grades mainly used outside plant piping for transmission pipelines of liquid and gas hydrocarbons.[……]
ASTM International, known until 2001 as the American Society for Testing and Materials (ASTM), is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and services.[……]
The most important difference is that pipe meeting the A106 standard must be seamless while pipe meeting A53 can either be seamless or welded[……]
ASTM A53 Standard Spec. for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless[……]
ASTM A53 is a carbon steel alloy, used for structural steel pipe. The alloy specifications are set by ASTM International, in specification ASTM A53/A53M. ASTM A53 pipe is suitable for structural or pressure applications.[……]
ASTM A106 Standard specification covers seamless carbon steel pipe for high-temperature service[……]
ASTM A106 Seamless Pressure Pipe (also known as ASME SA106 pipe) covers seamless carbon steel nominal wall pipe for high-temperature service. Suitable for bending, flanging and similar forming operations. NPS 1-1/2″ and under may be either hot finished or cold drawn.[……]
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