X
, .

.
X

29

29 .

Fe 51.14 - 54.5% Ni 28.5 - 29.5% Co 17.0 - 18.0% Si 0.3% Mn 0.4 S 0.015%
P 0.015% Cr 0.1% 0.03% Ti 0.1% Al 0.2% Cu 0.2%

=20°

σ
σ
δ5
%
ψ
%
KCU
/2
.
, 14080-78 490-610 23

, .

29