Could anybody tell me the MDMT of ASTM A36 steel for designing 35 psi MAWP pneumatic tank? Based on discussion of Sam Cheung et al, I am under the impression that as per ASME COde Sec VIII, Fig UCS 66 M, the minimum temperature recommended without the need to conduct Impact test is +20 deg. F or -7 deg. C. Someother information I received from steel supplier is not to be used below 5 deg. C. Any shed of light on this matter is much appreciated
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