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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. ..yuEA
Strenght and hardness $YvT*
T$_
40℅Cobalt eto3dJ!R
15℅Nickel tqLn A
20℅Chromium 6Q]c]cCu
High resilience ]PVPt,c
7℅Molybdenum ra\Moy
2℅Manganese @-dM'R6C
15℅Iron(approximately) aVv$k
Additiond strength against all stresses and chimatic conditions QF/A-[V
0.04℅Beryllium 6x KbK1W
0.15℅Carbon