本文件规定了通过校准漏斗（Gustavsson流量计）测定金属粉末流速的方法，包括硬质合金粉末、金属粉末和有机添加剂（如润滑剂）的混合物。 该方法仅适用于自由流过规定测试孔的粉末。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document specifies a method for determining the flow rate of metallic powders, including powders for hardmetals and mixes of metallic powders and organic additives such as lubricants, by means of a calibrated funnel (Gustavsson flowmeter). The method is applicable only to powders which flow freely through the specified test orifice.All current amendments available at time of purchase are included with the purchase of this document.