Pyrowear Alloy 53- Grain refinement
Pyrowear Alloy 53- Grain refinement
(OP)
Pyrowear Alloy 53 material.
After forging grain coarsening occurred from the original billet.
A grain refinement heat treatment was attempted which achieved an improvement of 2 ASTMs. This was still not enough. The heat treatment was 920deg C for 4.5 hours with an air cool.
Should the time in the furnace effect the improved grain size?
Can anyone suggest a better recovery heat treatment?
Any help in appreciated
Shaw123
After forging grain coarsening occurred from the original billet.
A grain refinement heat treatment was attempted which achieved an improvement of 2 ASTMs. This was still not enough. The heat treatment was 920deg C for 4.5 hours with an air cool.
Should the time in the furnace effect the improved grain size?
Can anyone suggest a better recovery heat treatment?
Any help in appreciated
Shaw123





RE: Pyrowear Alloy 53- Grain refinement
RE: Pyrowear Alloy 53- Grain refinement
Billet grain size = ASTM 5-7
Forging grain size = ASTM 1-3
Desired grain size = ASTM 5
Forging temperature = 1120degC
A heat treatment of 920 for 4.5hrs AC reduced grain size from ASTM 3.5 to 5.5.
Shaw123
RE: Pyrowear Alloy 53- Grain refinement
= = = = = = = = = = = = = = = = = = = =
Corrosion never sleeps, but it can be managed.
http://www.trenttube.com/Trent/tech_form.htm
RE: Pyrowear Alloy 53- Grain refinement
Regards,
Cory
Please see FAQ731-376 for tips on how to make the best use of Eng-Tips Fora.
RE: Pyrowear Alloy 53- Grain refinement
Maybe they got carried away with the last reheat during forge?
= = = = = = = = = = = = = = = = = = = =
Corrosion never sleeps, but it can be managed.
http://www.trenttube.com/Trent/tech_form.htm
RE: Pyrowear Alloy 53- Grain refinement
Has anyone got any idea for a recovery treatment?
Shaw123