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EN 1.4988 Stainless Steel vs. Grade M30H Nickel

EN 1.4988 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4988 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, % 34
11
Fatigue Strength, MPa 230
230
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
61
Tensile Strength: Ultimate (UTS), MPa 640
770
Tensile Strength: Yield (Proof), MPa 290
470

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 920
900
Melting Completion (Liquidus), °C 1450
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 2.2
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
50
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 6.0
7.7
Embodied Energy, MJ/kg 89
110
Embodied Water, L/kg 150
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
75
Resilience: Unit (Modulus of Resilience), kJ/m3 210
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 4.0
5.7
Thermal Shock Resistance, points 14
27

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.3
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 62.1 to 69.5
0 to 3.5
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 1.1 to 1.5
0
Nickel (Ni), % 12.5 to 14.5
57.9 to 70.3
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.3 to 0.6
2.7 to 3.7
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.6 to 0.85
0