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S34565 Stainless Steel vs. Grade M30C Nickel

S34565 stainless steel belongs to the iron alloys classification, while grade M30C nickel belongs to the nickel alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S34565 stainless steel and the bottom bar is grade M30C nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
160
Elongation at Break, % 39
29
Fatigue Strength, MPa 400
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
61
Tensile Strength: Ultimate (UTS), MPa 900
510
Tensile Strength: Yield (Proof), MPa 470
250

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1420
1290
Melting Onset (Solidus), °C 1380
1240
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 28
60
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 5.3
9.5
Embodied Energy, MJ/kg 73
140
Embodied Water, L/kg 210
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
120
Resilience: Unit (Modulus of Resilience), kJ/m3 540
200
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 32
16
Strength to Weight: Bending, points 26
16
Thermal Diffusivity, mm2/s 3.2
5.7
Thermal Shock Resistance, points 22
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 0
26 to 33
Iron (Fe), % 43.2 to 51.6
0 to 3.5
Manganese (Mn), % 5.0 to 7.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 16 to 18
56.6 to 72
Niobium (Nb), % 0 to 0.1
1.0 to 3.0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.030