ISO 946:1975
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Grey cast iron Beam unnotched impact test
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
02-26-2019
English, French
11-01-1975
Specifies requirements for the determination of the impact strength. The test consists in breaking a series of unnotched machined cylindrical test pieces resting freely between supports, and measuring the difference between the kinetic energy of the hammer before and after fracture of the test piece. Annex A includes non-standard test pieces, annex B includes notes on coefficients for calculation of impact strength.
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