X
, .

.
X

76

76 -. 0.65-0.75 .


Ni 75.0 - 76.5% Fe 15.13 - 17.95% Cu 4.8 - 5.2% Si 0.15 - 0.3% Mn 0.3 - 0.6% S 0.02%
P 0.02% Cr 1.8 - 2.2% C 0.03%

=20°

σ
σ
δ5
%
ψ
%
KCU
/2
.
, 10160-75 490 245 45 70
.,
10160-75
780 685 3 15

, , .
(0.05— 0.02 ) , .

76