STM PDF

Metallic powders - Determination of flow rate by means of a calibrated funnel (Hall flowmeter). Original standard ISO 4490-2018 in PDF full version. Additional info + preview on request

Document status: Active

Metallic powders - Determination of oxygen content by reduction methods - Part 1- General guidelines. Original standard ISO 4491-1-2023 in PDF full version. Additional info + preview on request

Document status: Active

Metallic powders - Determination of oxygen content by reduction methods - Part 2- Loss of mass on hydrogen reduction (hydrogen loss). Original standard ISO 4491-2-2023 in PDF full version. Additional info + preview on request

Document status: Active

Metallic powders - Determination of oxygen content by reduction methods - Part 3- Hydrogen-reducible oxygen. Original standard ISO 4491-3-1997 in PDF full version. Additional info + preview on request

Document status: Replaced by St ISO 4491-3-2025

Metallic powders - Determination of oxygen content by reduction methods - Part 4- Total oxygen by reduction-extraction. Original standard ISO 4491-4-2019 in PDF full version. Additional info + preview on request

Document status: Active

Metallic powders, excluding powders for hardmetals - Determination of dimensional changes associated with compacting and sintering. Original standard ISO 4492-2017 in PDF full version. Additional info + preview on request

Document status: Active