Beryllium Copper Hardness Changes due to Temperature
Beryllium Copper Hardness Changes due to Temperature
(OP)
I am using a tempered stress relieved beryllium copper which has an ultimate strength of 200ksi. I would like to heat the parts to 400 degrees Fahrenheit for a maximum of eight hours (1 work shift) so that I may bend the parts without cracking. Is this temperature going to affect the physical properties of the metal?





RE: Beryllium Copper Hardness Changes due to Temperature
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RE: Beryllium Copper Hardness Changes due to Temperature
Did you consider forming the part in the annealed condition to avoid the cracking problem?
RE: Beryllium Copper Hardness Changes due to Temperature
1. Heating to 400F will not cause microstructural change, grain recovery etc which help your bending process. There will not be any micro structure change due to age hardening temp is well above 400F.
2. Annealed condition is best microstructure for further cold forming. annealed microstructure will have all cold worked gains recovered for further deformation process. Based on the alloy grade , keep it above 770-800C ( UNS C17200- TS-200ksi) for 1hr for 1 inch thickness.
3. If you have cold word part then the grains will be elogated and further bending will cause cracks.
RE: Beryllium Copper Hardness Changes due to Temperature
@tbuelna Thank you for the information. I do not currently have the ability to heat treat an annealed form of the BECU after bending.
@kumkumvijay Thank you for the information.