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AISI 334 Stainless Steel vs. Nickel 242

AISI 334 stainless steel belongs to the iron alloys classification, while nickel 242 belongs to the nickel alloys. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 334 stainless steel and the bottom bar is nickel 242.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 34
45
Fatigue Strength, MPa 150
300
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 77
84
Shear Strength, MPa 360
570
Tensile Strength: Ultimate (UTS), MPa 540
820
Tensile Strength: Yield (Proof), MPa 190
350

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 1000
930
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1290
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
75
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 4.1
14
Embodied Energy, MJ/kg 59
180
Embodied Water, L/kg 170
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
300
Resilience: Unit (Modulus of Resilience), kJ/m3 96
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 12
25

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0 to 0.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 18 to 20
7.0 to 9.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 55.7 to 62.7
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 0
24 to 26
Nickel (Ni), % 19 to 21
59.3 to 69
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.15 to 0.6
0