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EN 1.4762 Stainless Steel vs. Nickel 685

EN 1.4762 stainless steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. They have a modest 23% 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 1.4762 stainless steel and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13
17
Fatigue Strength, MPa 180
470
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
77
Shear Strength, MPa 370
770
Tensile Strength: Ultimate (UTS), MPa 620
1250
Tensile Strength: Yield (Proof), MPa 310
850

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1150
1000
Melting Completion (Liquidus), °C 1410
1380
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
75
Density, g/cm3 7.6
8.4
Embodied Carbon, kg CO2/kg material 2.5
10
Embodied Energy, MJ/kg 37
140
Embodied Water, L/kg 170
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
190
Resilience: Unit (Modulus of Resilience), kJ/m3 250
1820
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 23
42
Strength to Weight: Bending, points 21
31
Thermal Diffusivity, mm2/s 4.6
3.3
Thermal Shock Resistance, points 22
37

Alloy Composition

Aluminum (Al), % 1.2 to 1.7
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.12
0.030 to 0.1
Chromium (Cr), % 23 to 26
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 69.7 to 75.1
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 5.0
Nickel (Ni), % 0
49.6 to 62.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.7 to 1.4
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