GOST 9454-78: Impact Strength Testing | PDF | Metals - Scribd
: English translations are available through platforms like Auremo and Scribd .
: Rectangular bars are machined with specific "concentrators" (notches) to promote fracture: Type U : U-shaped notch (often for general quality control). gost 9454 78 skachat pdf
: Fatigue crack concentrator (for assessing resistance to crack propagation).
: Active (most current), with a planned supersession by GOST 9454-2025 in May 2026. GOST 9454-78: Impact Strength Testing | PDF |
), which is the total energy expended to destroy a notched sample with a single pendulum blow.
: The standard refers to other critical GOSTs, including GOST 10708 for pendulum machine requirements and GOST 166 for caliper measurement accuracy. : Active (most current), with a planned supersession
: Impact work is designated by letters indicating the concentrator type and numbers for pendulum energy, depth, and width (e.g., KCUcap K cap C cap U KCVcap K cap C cap V KCTcap K cap C cap T Technical Data & Access