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EN 1.4857 Stainless Steel vs. Grade M30C Nickel

EN 1.4857 stainless steel belongs to the iron alloys classification, while grade M30C nickel belongs to the nickel alloys. They have a modest 39% 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4857 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, % 6.7
29
Fatigue Strength, MPa 120
170
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
61
Tensile Strength: Ultimate (UTS), MPa 500
510
Tensile Strength: Yield (Proof), MPa 250
250

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1370
1290
Melting Onset (Solidus), °C 1320
1240
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 13
22
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 34
60
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 5.7
9.5
Embodied Energy, MJ/kg 81
140
Embodied Water, L/kg 220
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
200
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 18
16
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 3.4
5.7
Thermal Shock Resistance, points 11
18

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.3
Chromium (Cr), % 24 to 27
0
Copper (Cu), % 0
26 to 33
Iron (Fe), % 31.4 to 41.7
0 to 3.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 36
56.6 to 72
Niobium (Nb), % 0
1.0 to 3.0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
1.0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030