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EN 1.4401 Stainless Steel vs. Grade M30H Nickel

EN 1.4401 stainless steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. 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 EN 1.4401 stainless steel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 14 to 40
11
Fatigue Strength, MPa 200 to 320
230
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
61
Tensile Strength: Ultimate (UTS), MPa 600 to 900
770
Tensile Strength: Yield (Proof), MPa 230 to 570
470

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 950
900
Melting Completion (Liquidus), °C 1440
1250
Melting Onset (Solidus), °C 1400
1200
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
50
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 3.8
7.7
Embodied Energy, MJ/kg 52
110
Embodied Water, L/kg 150
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
75
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 21 to 32
25
Strength to Weight: Bending, points 20 to 26
22
Thermal Diffusivity, mm2/s 4.0
5.7
Thermal Shock Resistance, points 13 to 20
27

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.3
Chromium (Cr), % 16.5 to 18.5
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 62.8 to 71.5
0 to 3.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
57.9 to 70.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
2.7 to 3.7
Sulfur (S), % 0 to 0.015
0 to 0.030