Take over and conduct the -20° impact test
Thread Content
For the takeover -20° impact test, for pipes of 57*6 dimensions, what to do if it’s not possible to fabricate the test specimens?
If the specimen cannot be manufactured, a low-temperature impact test will not be conducted.
Raw materials? Then make a 2.5 small sample. . .
I vaguely remember that if it’s not possible to fabricate the test specimen, there’s no need to proceed.
GB/T150.2-2011 specifies the various usage limitations for steel pipes of different standard numbers, as well as the mechanical property tests that such pipes must undergo at different operating temperatures. It also specifies the mechanical property requirements and thicknesses for various steel pipes according to different standard numbers. You can go and take a look. Under normal circumstances, steel pipes with a diameter of less than 70 mm and a thickness of less than 6.5 mm do not require processing.
Standard samples cannot be manufactured; prototypes need to be made instead
First, figure out why you need to do it, and then discuss how to do it.