Difference between TP321 and 321

2012-07-04View Original

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I would like to ask the experts: what are the differences between the TP321 and 321 materials?

Reply #22012-07-04

What is the difference between the furnace tube material P9 and CR9Mo? Thank you.

Reply #32012-07-05

321 was not found; I wonder if it is an abbreviated form spoken aloud~ It should be 9Cr1Mo, which corresponds to P9

Reply #42012-07-05

TP321 is the grade for stainless steel pipes in ASME materials； The application range of grade 321 is broader. The corresponding domestic grade should be 0Cr18Ni10Ti (old) and S32168 (new)

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Difference between TP321 and 321

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