X
, .

.
X

77

77 – , 437.


Ni 70.0 - 77.4% Cr 19.0 - 22.0% Ti 2.4 - 2.8% C 0.07% Si 0.6% Mn 0.4%
S 0.007% P 0.015% Ce 0.02% Al 0.6 - 1.0% B 0.01% Pb 0.001%

=20°

σ
σ
δ5
%
ψ
%
KCU
/2
.
, =700 , 23705-79 740 620 15 20 400 1080C, 8, , 700C, 16,

T
E 10- 5
α 105
/(*)
λ
1/
ro
/3

/(*)
R 109
*
201.96 12.6 8200
100 12.6713.9 81801247
200 12.9 15.6 81401262
300 13.317.2 81101282
400 13.818.8 80701300
500 14.220.9 80401308
6001.57 14.623.5 80001288
7001.47 15.125.1 79601272
8001.28 15.528.2 79201253
900 16.231.1 78701232
1000 16.8

  • . -

77 :

  • 5632-72 , . .
  • 2590-2006 . .
  • 7417-75 . .

77 , , , , +750 , , -253 +500 (, +200 , ) , , , .

77 77 !
77 LME .

77