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S41045 Stainless Steel vs. Nickel 908

S41045 stainless steel belongs to the iron alloys classification, while nickel 908 belongs to the nickel alloys. They have 46% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S41045 stainless steel and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180
Elongation at Break, % 25
11
Fatigue Strength, MPa 160
450
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
70
Shear Strength, MPa 280
800
Tensile Strength: Ultimate (UTS), MPa 430
1340
Tensile Strength: Yield (Proof), MPa 230
930

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 740
920
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 29
11
Thermal Expansion, µm/m-K 10
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
50
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.2
9.3
Embodied Energy, MJ/kg 31
140
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 13
4.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
2340
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 16
45
Strength to Weight: Bending, points 16
33
Thermal Diffusivity, mm2/s 7.8
2.9
Thermal Shock Resistance, points 16
61

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 12 to 13
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 83.8 to 88
35.6 to 44.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 0 to 0.5
47 to 51
Niobium (Nb), % 0 to 0.6
2.7 to 3.3
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 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