X
, .

.
X

52

52 .

Ni 51.5 - 52.5% Fe 46.42 - 48.5% Mn 0.4% Si 0.2% 0.05% S 0.015%
P 0.015% Cr 0.2% Cu 0.2%

=20°

σ
σ
δ5
%
ψ
%
KCU
/2
.
450-550

.

52