ISO 946-1975 灰铸铁 无缺口冲击试验

标准号：ISO 946-1975
中文标准名称：灰铸铁 无缺口冲击试验
英文标准名称：Grey cast iron; Beam unnotched impact test
标准类型：H22
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：H22
国际标准分类号：77.080.10
适用范围：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.