BS 131-1:1961

This standard BS 131-1:1961 Methods for notched bar tests is classified in these ICS categories:

• 77.040.10 Mechanical testing of metals

This British Standard specifies the conditions for carrying out the Izod impact test on metals. The test consists of measuring the energy absorbed in breaking a notched test piece by one blow from a striker carried by a pendulum. The test piece is gripped vertically with the root of the notch in the same plane as the upper face of the grips. The blow is struck on the same face as the notch and at a fixed height above it.

Conditions for the test; nominal dimensions and tolerances for ferrous and non-ferrous test pieces. Structure, dimensions of testing machine. Installation of the machine, in an appendix.