347 stainless steel

2019-01-22View Original

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What is the allowable temperature for 347 stainless steel? I have a product whose operating temperature is 680 degrees; after being used for some time, it becomes brittle. What is the reason for this, and how can it be resolved?

Reply #22019-01-22

347 stainless steel tube is a grade of stainless steel produced in accordance with the American ASTM standards. 347 stainless steel pipe is equivalent to China’s 0Cr18Ni11Nb stainless steel pipe. Right?

Reply #32019-01-23

In ASME standards, the operating temperature for 347 should be below 600 degrees, around 590 degrees.

Reply #42019-01-23

The operating temperature for 347 should not be too high; it is known that it tends to develop cracks when used in environments with temperatures above 600 degrees.

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347 stainless steel

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