Li-coe tsa tšepe tsa tšepe li na le li-cipe tse 10% tsa nickel le li-chromium tse phahameng. Baetsi ba litebele tsa tšepe ba nang le majoe ba nang le mabele ba hlahisa li-tritheling, Penaesese, Ploasphorus, Carbon, Silicon le Silphur ho kenyelletsa likarolo tse peli tse ka sehloohong.