Sanicro® 75X

Datasheet updated

2023-11-09 14:39
(supersedes all previous editions)

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)

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

Nominal values at 20°C (68°F)
Condition¹⁾	Tensile strength, R_m		Proof strength, R_p0,2^a)		Elongation, A_11,3
Condition¹⁾	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) R_p0.2 corresponds to 0.2% offset yield strength.

1 MPa = 1 N/mm2

Physical properties

Density: 8.3 g/cm³, 0.30 lb/in³

**Specific heat capacity**
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
100	16.3	210
300	19.8	570
500	25.6	930
700	30.2	1 290
900	37.2	1 650

Resistivity
Temperature, °C	μΩm	Temperature, °F
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

**Thermal expansion**, mean values in temperatur ranges ( x10^-6)
Temperature, °C	per °C	Temperature, °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, m_max: 1.004

Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Alleima materials.