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EN 1.4805 Stainless Steel vs. Grade M30H Nickel

EN 1.4805 stainless steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 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 1.4805 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, % 9.0
11
Fatigue Strength, MPa 130
230
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
61
Tensile Strength: Ultimate (UTS), MPa 490
770
Tensile Strength: Yield (Proof), MPa 250
470

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1000
900
Melting Completion (Liquidus), °C 1390
1250
Melting Onset (Solidus), °C 1350
1200
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 14
22
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
50
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 4.7
7.7
Embodied Energy, MJ/kg 66
110
Embodied Water, L/kg 180
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
75
Resilience: Unit (Modulus of Resilience), kJ/m3 150
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.7
5.7
Thermal Shock Resistance, points 11
27

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.3
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 44.9 to 56.8
0 to 3.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
57.9 to 70.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.0
2.7 to 3.7
Sulfur (S), % 0 to 0.030
0 to 0.030