There are many kinds machines GTAW-HW. It is important to enter in contact with the manufacturer in order to understand the machines and accessories. An examples is ARC SPECIALTIES or FRONIUS. In another way, the requirement 5% is only possible by this process. If you try GTAW-manual this...
I am trying use Prediction of Microstructure and Hardness in Low-Alloy Steel : The tool calculates the fractions of different ferrite morphology that forms from the austenite and relates the same to Vickers hardness
http://calculations.ewi.org/vjp/MaterialsModeling.html
but which cooling rate is...
The calculation method (hardenability) described in the ASTM A255 is applicable only to a range of chemical composition. Nickel max is 1,50. It is not applicable for 4340. Someone knows how can I calculate hardenability for this steel (4340)?
In accordance with API 6A, the size of a TC or a QTC for a part shall be determined using the ER method give in 5.7.2. What is exactly the method ER? Could you give me an example?
