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S21603 Stainless Steel vs. Grade M30C Nickel

S21603 stainless steel belongs to the iron alloys classification, while grade M30C nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is grade M30C nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 45
29
Fatigue Strength, MPa 360
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 79
61
Tensile Strength: Ultimate (UTS), MPa 690
510
Tensile Strength: Yield (Proof), MPa 390
250

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Mechanical, °C 990
900
Melting Completion (Liquidus), °C 1420
1290
Melting Onset (Solidus), °C 1380
1240
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
60
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.6
9.5
Embodied Energy, MJ/kg 50
140
Embodied Water, L/kg 160
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
120
Resilience: Unit (Modulus of Resilience), kJ/m3 380
200
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 25
16
Strength to Weight: Bending, points 22
16
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 17.5 to 22
0
Copper (Cu), % 0
26 to 33
Iron (Fe), % 57.6 to 67.8
0 to 3.5
Manganese (Mn), % 7.5 to 9.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
56.6 to 72
Niobium (Nb), % 0
1.0 to 3.0
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030