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EN 1.7272 Steel vs. Nickel 685

EN 1.7272 steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.7272 steel and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 490 to 1650
1250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
1000
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 45
13
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
75
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.5
10
Embodied Energy, MJ/kg 19
140
Embodied Water, L/kg 49
340

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 17 to 59
42
Strength to Weight: Bending, points 18 to 40
31
Thermal Diffusivity, mm2/s 12
3.3
Thermal Shock Resistance, points 14 to 48
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0.00080 to 0.0050
0.0030 to 0.010
Carbon (C), % 0.28 to 0.33
0.030 to 0.1
Chromium (Cr), % 0.4 to 0.55
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 97.2 to 98.3
0 to 2.0
Manganese (Mn), % 0.9 to 1.2
0 to 1.0
Molybdenum (Mo), % 0.1 to 0.15
3.5 to 5.0
Nickel (Ni), % 0
49.6 to 62.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0
0.020 to 0.12