Standard Swedish standard · SS-ISO 18549-2:2010

Metallic powders - Determination of apparent density and flow rate at elevated temperatures - Part 2: Determination of flow rate at elevated temperatures (ISO 18549-2:2009, IDT)

Status: Valid

Scope
This part of ISO 18549 describes two methods for the determination of the time (flow rate) it takes for a given quantity of a heated powder mix, based on iron or steel powders and to be used for warm compaction, to pass through a funnel with a given orifice diameter.

Method A uses a funnel with an orifice of 2,5 mm and a test portion of 50 g and is, to a large extent, based on the method standardized in ISO 4490. The method can only be used for powder mixes that flow freely through the 2,5 mm orifice in the heated condition.

Method B uses a funnel with an orifice of 5 mm and a test portion with a size of 150 g.

Both methods cover a testing temperature range of 60 °C to 180 °C and either of them can be selected after agreement between the parties involved.

Subjects

Powder metallurgy (77.160)


Product information

Language: English

Written by: SIS - Materialteknik

International title:

Article no: STD-72797

Edition: 1

Approved: 2/22/2010

No of pages: 16