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AISI 301L Stainless Steel vs. Nickel 684

AISI 301L stainless steel belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. They have a modest 27% 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 (7, in this case) are not shown.

For each property being compared, the top bar is AISI 301L stainless steel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
310
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 50
11
Fatigue Strength, MPa 240 to 530
390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
76
Shear Strength, MPa 440 to 660
710
Tensile Strength: Ultimate (UTS), MPa 620 to 1040
1190
Tensile Strength: Yield (Proof), MPa 250 to 790
800

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 890
1000
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1390
1320
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
75
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 2.7
10
Embodied Energy, MJ/kg 39
140
Embodied Water, L/kg 130
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1580
1610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22 to 37
40
Strength to Weight: Bending, points 21 to 29
30
Thermal Shock Resistance, points 14 to 24
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 16 to 18
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 70.7 to 78
0 to 4.0
Manganese (Mn), % 0 to 2.0
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 6.0 to 8.0
42.7 to 64
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3