Sanicro® 75X is a precipitation hardening nickel alloy with good spring properties and good resistance to gas corrosion at high temperatures. Due to the grade's low cobalt content, Sanicro® 75X is particularly suitable for nuclear power applications.
Standards
-
UNS: N07750
Chemical composition (nominal)
| C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|
| ≤0.030 | 0.3 | 0.6 | ≤0.015 | ≤0.010 | 16 | 72 |
Others: Fe=7.0 Al=0.7 Ti=2.5 Nb=0.8
Mechanical properties
Static strength
| Condition1) |
Tensile strength, Rm
|
Proof strength, Rp0,2a)
|
Elongation, A11,3
|
||
|---|---|---|---|---|---|
|
MPa
|
ksi
|
MPa
|
ksi
|
%
|
|
| A |
800
|
116
|
340
|
49
|
52
|
| AT |
1210
|
176
|
810
|
118
|
27
|
1) A = Annealed, AT = Annealed and tempered, 705°C (1300°F)/20 h
a) Rp0.2 corresponds to 0.2% offset yield strength.
1 MPa = 1 N/mm2
Physical properties
Density: 8.3 g/cm3, 0.30 lb/in3
| 420 - 460 J/kg °C | in the temperature range 20 - 100°C |
| 540 J/kg °C | in the temperature range 50 - 900°C |
| Temperature, °C | W/m °C | Temperature, °F | Btu/ft h °F |
|---|---|---|---|
| 100 | 16.3 | 210 | |
| 300 | 19.8 | 570 | |
| 500 | 25.6 | 930 | |
| 700 | 30.2 | 1 290 | |
|
900
|
37.2
|
1 650
|
| Temperature, °C | μΩm | Temperature, °F | μΩin. |
|---|---|---|---|
| 20 | 1.20 | 70 | |
| 100 | 1.25 | 210 | |
| 200 | 1.25 | 390 | |
| 300 | 1.25 | 570 | |
| 500 | 1.30 | 930 | |
|
700
|
1.30
|
1 290
|
| Temperature, °C | per °C | Temperature, °F | per °F |
|---|---|---|---|
|
30 - 100
|
12.2
|
85 - 210
|
|
|
30 - 300
|
13.4
|
85 - 570
|
|
| 30 - 500 | 13.8 | 85 - 930 | |
| 30 - 700 | 14.9 | 85 - 1 290 | |
|
30 - 900
|
16.5
|
85 - 1 650
|
Permeability, mmax: 1.004