0cr21al6nbalwminiwm chrome ferrogwifren gwanwyn ffwrnais diwydiannol
Gradd:
FeCrAl:1Cr13AI4, 0Cr19AI2, 0Cr15AI5, 0Cr20AI5, 0Cr25AI5, 0Cr21AI6 Nb,OCr27Al7Mo2
Ni-Cr: Cr20Ni80, Cr15Ni60, Cr20Ni35, Cr25Ni20 ac ati.
Manganin: 6J12, 6J8, 6J13
Cystennin: 6J40
Cysonydd newydd: 6J11
Maint:
Gwifren ymwrthedd dia.0.05-10mm
Trwch stribed ymwrthedd 0.56-5mm, lled6-50mm
Trwch gwifren stribed gwrthiant 0.1 - 0.6mm, lled gwifren stribed 1 - 6mm
Trwch ffoil ymwrthedd rholio oer 0.05-3mm, lled stribed 4-250mm