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Tolerance for different wall thickness among JIS seamless steel pipe

Except the influence coming from outside diameter for seamless steel pipe on tolerance, actually, we know that wall thickness also plays an important role for the pipeline‚Äôs characters.


Today, our main topic would focus on JIS G3441, G3444 and G3445 for their different wall thickness and relative tolerance. There are several data we need to focus is 4, 3, 2 for the wall thickness. With the change of these data, we will get different tolerance for steel tubes. Here is the list for the details about it. You can contact us if you need to know better before wholesale.