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ASTM A106 is a specification for seamless carbon steel pipe intended for high-temperature service. On the other hand, stainless steel 304 is an alloy of iron that contains a minimum of 18% chromium and 8% nickel.

I ‘ve never think about this problem till I have do business for stainless steel pipe and fittings. I can see this material every where and it is really very important in our life.

Stainless steel electrolytic polishing is mainly to take the pipe as the anode, take insoluble metal as the cathode, the two poles are immersed in the electrolytic polishing tank at the same time, through direct current, resulting in selective anode dissolution, anode surface brightness increases, this process is the opposite of the plating process.

When I enter into the business of the stainless steel tube/pipe production as a beginner, I did not noticed the letter of “PIPE” and “TUBE” have the different identity. Someday, when I compare the size of standard ASTM and NPS, I find some different and confused in abruptly. So if you have the same doubts as me, hope it is helpful for you.

It is Martensitic Stainless Steel. A steel whose mechanical properties can be adjusted by heat treatment. It has different strength and toughness at different tempering temperatures.

Socket welded pipe fittings, also known as socket weld fittings, are a type of pipe fittings that are designed to be welded to the pipe by inserting the pipe into a socket-like opening of the fitting. The joint is then welded from the inside to create a strong and permanent connection.