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ASTM A572 Steel vs. Grade N7M Nickel

ASTM A572 steel belongs to the iron alloys classification, while grade N7M nickel belongs to the nickel 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 ASTM A572 steel and the bottom bar is grade N7M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 18 to 25
22
Fatigue Strength, MPa 240 to 340
190
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
85
Tensile Strength: Ultimate (UTS), MPa 470 to 620
590
Tensile Strength: Yield (Proof), MPa 330 to 510
310

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
900
Melting Completion (Liquidus), °C 1460
1650
Melting Onset (Solidus), °C 1420
1590
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 13
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
75
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 1.6
16
Embodied Energy, MJ/kg 22
200
Embodied Water, L/kg 47
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 17 to 22
18
Strength to Weight: Bending, points 17 to 21
17
Thermal Shock Resistance, points 14 to 18
19