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Per a Parker brochure introducing this nib material on the Parker 51 model Octanium is an alloy composed of eight different metals ,each chosen for certain attributes. v+'*.Iv:
Strenght and hardness KuMH,rXF
40℅Cobalt KR>o 2
15℅Nickel ^[b DE0
20℅Chromium P5v;o9B&
High resilience Kae-Y
7℅Molybdenum K/8TwB?I
2℅Manganese .v['INK9
15℅Iron(approximately) <BK?@Xy
Additiond strength against all stresses and chimatic conditions [!`5kI
0.04℅Beryllium j-t"
0.15℅Carbon