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EN 1.4910 Stainless Steel vs. Nickel 684

EN 1.4910 stainless steel belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. They have a modest 35% 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4910 stainless steel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
310
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 41
11
Fatigue Strength, MPa 250
390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
76
Shear Strength, MPa 450
710
Tensile Strength: Ultimate (UTS), MPa 650
1190
Tensile Strength: Yield (Proof), MPa 290
800

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 950
1000
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
75
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 3.9
10
Embodied Energy, MJ/kg 54
140
Embodied Water, L/kg 150
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 23
40
Strength to Weight: Bending, points 21
30
Thermal Shock Resistance, points 14
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0.0015 to 0.0050
0.0030 to 0.010
Carbon (C), % 0 to 0.040
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), % 62 to 69.9
0 to 4.0
Manganese (Mn), % 0 to 2.0
0 to 0.75
Molybdenum (Mo), % 2.0 to 3.0
3.0 to 5.0
Nickel (Ni), % 12 to 14
42.7 to 64
Nitrogen (N), % 0.1 to 0.18
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3