MakeItFrom.com
Menu (ESC)

SAE-AISI S7 Steel vs. Nickel 908

SAE-AISI S7 steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 44% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
70
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
1340

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
11
Thermal Expansion, µm/m-K 12
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.3
9.3
Embodied Energy, MJ/kg 31
140
Embodied Water, L/kg 65
170

Common Calculations

PREN (Pitting Resistance) 8.4
4.2
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 72
45
Strength to Weight: Bending, points 22 to 46
33
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 22 to 66
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0.45 to 0.55
0 to 0.030
Chromium (Cr), % 3.0 to 3.5
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 91.6 to 94.9
35.6 to 44.6
Manganese (Mn), % 0.2 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.2 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
1.2 to 1.8
Vanadium (V), % 0 to 0.3
0