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EN 1.4597 Stainless Steel vs. Nickel 684

EN 1.4597 stainless steel belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. They have a modest 21% 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 1.4597 stainless steel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
310
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 45
11
Fatigue Strength, MPa 300
390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
76
Shear Strength, MPa 470
710
Tensile Strength: Ultimate (UTS), MPa 680
1190
Tensile Strength: Yield (Proof), MPa 330
800

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 860
1000
Melting Completion (Liquidus), °C 1400
1370
Melting Onset (Solidus), °C 1350
1320
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.5
10
Embodied Energy, MJ/kg 36
140
Embodied Water, L/kg 140
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
40
Strength to Weight: Bending, points 22
30
Thermal Shock Resistance, points 15
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 15 to 18
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 2.0 to 3.5
0 to 0.15
Iron (Fe), % 63 to 76.4
0 to 4.0
Manganese (Mn), % 6.5 to 9.0
0 to 0.75
Molybdenum (Mo), % 0 to 1.0
3.0 to 5.0
Nickel (Ni), % 0 to 3.0
42.7 to 64
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3