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What the change of mechanical properties after rolled

What the change of mechanical properties after rolled

What the change of mechanical properties after rolled

(OP)
Hi Gents,

From the plate, we rolled become the pipe, so what is the change mechanica properties after rolled. How can we know the change tensile, yield strength, chemincal...
Could you pls show to me guide book for me study.

RE: What the change of mechanical properties after rolled

Thuhuongengineer, I don"t know how fine you are tyring to chop this, but in pressure vessel work we generally consider there to be a negligable change in properties unless the material is strained over, say, 5% for carbon steels (and much more in some cases), other amounts for other metals.

Regards,

Mike

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