ASTM-A370 › Standard Test Methods and Definitions for Mechanical Testing of Steel Products
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ASTM-A370 test methods center on Ductile vs. Brittle Behavior. Body-centered-cubic or ferritic alloys exhibit a significant transition in behavior when impact tested over a range of temperatures. At temperatures above transition, impact specimens fracture by a ductile (usually microvoid coalescence) mechanism, absorbing relatively large amounts of energy. At lower temperatures, they fracture in a brittle (usually cleavage) manner absorbing appreciably less energy. Within the transition range, the fracture will generally be a mixture of areas of ductile fracture and brittle fracture.
ICS Number Code 77.040.10 (Mechanical testing of metals)
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July 1, 2019