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Nickel 685 vs. EN 1.1244 Steel

Nickel 685 belongs to the nickel alloys classification, while EN 1.1244 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 685 and the bottom bar is EN 1.1244 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 1250
730 to 770

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.9
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 10
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 340
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
26 to 28
Strength to Weight: Bending, points 31
23 to 24
Thermal Diffusivity, mm2/s 3.3
14
Thermal Shock Resistance, points 37
23 to 25

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0 to 0.050
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.1
0.65 to 0.75
Chromium (Cr), % 18 to 21
0
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.5
0 to 0.3
Iron (Fe), % 0 to 2.0
98.1 to 99.2
Manganese (Mn), % 0 to 1.0
0.8 to 1.1
Molybdenum (Mo), % 3.5 to 5.0
0
Nickel (Ni), % 49.6 to 62.5
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 2.8 to 3.3
0
Zinc (Zn), % 0.020 to 0.12
0