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Grade N7M Nickel vs. SAE-AISI 51B60 Steel

Grade N7M nickel belongs to the nickel alloys classification, while SAE-AISI 51B60 steel belongs to the iron alloys. There are 25 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 grade N7M nickel and the bottom bar is SAE-AISI 51B60 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 22
12 to 21
Fatigue Strength, MPa 190
280 to 340
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 85
73
Tensile Strength: Ultimate (UTS), MPa 590
660
Tensile Strength: Yield (Proof), MPa 310
400 to 550

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 900
420
Melting Completion (Liquidus), °C 1650
1450
Melting Onset (Solidus), °C 1590
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 9.9
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.1
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 16
1.4
Embodied Energy, MJ/kg 200
19
Embodied Water, L/kg 270
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
73 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
420 to 800
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 17
22
Thermal Shock Resistance, points 19
19

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.070
0.56 to 0.64
Chromium (Cr), % 0 to 1.0
0.7 to 0.9
Iron (Fe), % 0 to 3.0
97 to 97.8
Manganese (Mn), % 0 to 1.0
0.75 to 1.0
Molybdenum (Mo), % 30 to 33
0
Nickel (Ni), % 60.9 to 70
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040