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EN 1.4477 Stainless Steel vs. Nickel 685

EN 1.4477 stainless steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. They have a modest 30% 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 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 210
200
Elongation at Break, % 22 to 23
17
Fatigue Strength, MPa 420 to 490
470
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
77
Shear Strength, MPa 550 to 580
770
Tensile Strength: Ultimate (UTS), MPa 880 to 930
1250
Tensile Strength: Yield (Proof), MPa 620 to 730
850

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 13
13
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
75
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 3.7
10
Embodied Energy, MJ/kg 52
140
Embodied Water, L/kg 190
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
190
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
1820
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 33
42
Strength to Weight: Bending, points 26 to 27
31
Thermal Diffusivity, mm2/s 3.5
3.3
Thermal Shock Resistance, points 23 to 25
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.030
0.030 to 0.1
Chromium (Cr), % 28 to 30
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0 to 0.8
0 to 0.5
Iron (Fe), % 56.6 to 63.6
0 to 2.0
Manganese (Mn), % 0.8 to 1.5
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.6
3.5 to 5.0
Nickel (Ni), % 5.8 to 7.5
49.6 to 62.5
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
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