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EN 1.4872 Stainless Steel vs. Nickel 685

EN 1.4872 stainless steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. They have a modest 28% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
17
Fatigue Strength, MPa 410
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
77
Shear Strength, MPa 620
770
Tensile Strength: Ultimate (UTS), MPa 950
1250
Tensile Strength: Yield (Proof), MPa 560
850

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1150
1000
Melting Completion (Liquidus), °C 1390
1380
Melting Onset (Solidus), °C 1340
1330
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
75
Density, g/cm3 7.6
8.4
Embodied Carbon, kg CO2/kg material 3.3
10
Embodied Energy, MJ/kg 47
140
Embodied Water, L/kg 180
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
190
Resilience: Unit (Modulus of Resilience), kJ/m3 780
1820
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 35
42
Strength to Weight: Bending, points 28
31
Thermal Diffusivity, mm2/s 3.9
3.3
Thermal Shock Resistance, points 21
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.2 to 0.3
0.030 to 0.1
Chromium (Cr), % 24 to 26
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 54.2 to 61.6
0 to 2.0
Manganese (Mn), % 8.0 to 10
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 6.0 to 8.0
49.6 to 62.5
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0
0.020 to 0.12