BS EN ISO 148-3:2016规定了合格试件的要求、制备和方法 用于根据ISO 148-2对摆锤冲击试验机进行间接验证。它规定了标称尺寸与ISO 148-1中规定的相同的缺口试样； 然而，公差更为严格。注1:化学成分或热处理，或两者，根据所需的能量水平而变化。注2:参考试样在参考摆锤冲击试验机上合格，且 在ISO 148的本部分中进行了描述。交叉引用:ISO 148-1ISO 148-2EN 10045-2ASTM E23ISO指南34ISO指南30ISO指南31ISO指南33ISO指南35: 2006年ISO/IEC指南98-3ISO 5725-2购买时可用的所有现行修订版均包含在本文件的购买中。

BS EN ISO 148-3:2016 specifies the requirements, preparation and methods for qualifying test pieces used for the indirect verification of pendulum impact testing machines in accordance with ISO 148-2.It specifies notched test pieces with nominal dimensions identical to those specified in ISO 148-1; however, the tolerances are more stringent.NOTE 1 The chemical composition or heat treatment, or both, are varied according to the energy level desired.NOTE 2 Reference test pieces are qualified on reference pendulum impact testing machines which are also described in this part of ISO 148.Cross References:ISO 148-1ISO 148-2EN 10045-2ASTM E23ISO Guide 34ISO Guide 30ISO Guide 31ISO Guide 33ISO Guide 35:2006ISO/IEC Guide 98-3ISO 5725-2All current amendments available at time of purchase are included with the purchase of this document.