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Nickel 684 vs. EN 1.7213 Steel

Nickel 684 belongs to the nickel alloys classification, while EN 1.7213 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is nickel 684 and the bottom bar is EN 1.7213 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1190
500 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
420
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1320
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.5
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 10
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 360
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 40
18 to 55
Strength to Weight: Bending, points 30
18 to 38
Thermal Shock Resistance, points 34
15 to 45

Alloy Composition

Aluminum (Al), % 2.5 to 3.3
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0 to 0.15
0.22 to 0.29
Chromium (Cr), % 15 to 20
0.9 to 1.2
Cobalt (Co), % 13 to 20
0
Copper (Cu), % 0 to 0.15
0 to 0.25
Iron (Fe), % 0 to 4.0
96.7 to 98.1
Manganese (Mn), % 0 to 0.75
0.6 to 0.9
Molybdenum (Mo), % 3.0 to 5.0
0.15 to 0.3
Nickel (Ni), % 42.7 to 64
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.3
Sulfur (S), % 0 to 0.015
0.020 to 0.040
Titanium (Ti), % 2.5 to 3.3
0