Standard Test Method for Determination of Grain Stability of Calcined Petroleum Coke Ingestion-build-48974 BS EN 2139 on flat

BS EN 2139 on flat heat-resisting steel washers for aerospace applications is useful for:

Note: The method is not applicable to cold ramming pastes made with resin-based binders

They provide a flexible framework for the control of heat treatment in the following cases:

long-term clinical experience of the use of the material referred to in ISO 13779 has shown that an acceptable level of biological response can be expected

you can protect these tubes from hazardous substances used in the manufacturing process

Standard Test Method for Determination of Grain Stability of Calcined Petroleum Coke Ingestion-build-48974 BS EN 2139 on flat