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AISI 302B Stainless Steel vs. Grade M30H Nickel

AISI 302B 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 (6, in this case) are not shown.

For each property being compared, the top bar is AISI 302B 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, % 45
11
Fatigue Strength, MPa 210
230
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
61
Tensile Strength: Ultimate (UTS), MPa 580
770
Tensile Strength: Yield (Proof), MPa 230
470

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Mechanical, °C 930
900
Melting Completion (Liquidus), °C 1400
1250
Melting Onset (Solidus), °C 1360
1200
Specific Heat Capacity, J/kg-K 490
440
Thermal Conductivity, W/m-K 17
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 2.6
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
50
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 3.0
7.7
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 140
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
75
Resilience: Unit (Modulus of Resilience), kJ/m3 140
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.4
5.7
Thermal Shock Resistance, points 13
27

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.3
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 65.7 to 73
0 to 3.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 8.0 to 10
57.9 to 70.3
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 2.0 to 3.0
2.7 to 3.7
Sulfur (S), % 0 to 0.030
0 to 0.030