标准摘要
[中文适用范围]： 本文件定义了奥铁体球墨铸铁的牌号和相应的要求。 本文件规定了奥铁素体球墨铸铁的五个等级，其分类是根据机加工试件确定的机械性能进行的，这些试件由以下材料制备： ——单独铸造样品、并列铸造或铸造样品； ——从铸件上切下的样品。 本文件还根据硬度的函数分类指定了两个等级。 [外文原描述]： This document defines the grades and the corresponding requirements for ausferritic spheroidal graphite cast irons. This document specifies five grades of ausferritic spheroidal graphite cast iron by a classification based on mechanical properties determined on machined test pieces prepared from: — separately cast samples, side-by-side cast or cast-on samples; — samples cut from a casting. This document also specifies two grades by a classification as a function of hardness.
英文名称Founding — Ausferritic spheroidal graphite cast irons — Classification