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AISI 334 Stainless Steel vs. Grade M30H Nickel

AISI 334 stainless steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 334 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 150
230
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
61
Tensile Strength: Ultimate (UTS), MPa 540
770
Tensile Strength: Yield (Proof), MPa 190
470

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 1000
900
Melting Completion (Liquidus), °C 1410
1250
Melting Onset (Solidus), °C 1370
1200
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
50
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 4.1
7.7
Embodied Energy, MJ/kg 59
110
Embodied Water, L/kg 170
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
75
Resilience: Unit (Modulus of Resilience), kJ/m3 96
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
22
Thermal Shock Resistance, points 12
27

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.3
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 55.7 to 62.7
0 to 3.5
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 19 to 21
57.9 to 70.3
Phosphorus (P), % 0 to 0.030
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
Titanium (Ti), % 0.15 to 0.6
0