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ASTM A225 Steel vs. N07750 Nickel

ASTM A225 steel belongs to the iron alloys classification, while N07750 nickel belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A225 steel and the bottom bar is N07750 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 23
25
Fatigue Strength, MPa 330 to 390
520
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 390 to 520
770
Tensile Strength: Ultimate (UTS), MPa 620 to 830
1200
Tensile Strength: Yield (Proof), MPa 460 to 550
820

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
960
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 52
13
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
60
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 1.8
10
Embodied Energy, MJ/kg 24 to 25
150
Embodied Water, L/kg 48
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 170
270
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 820
1770
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22 to 29
40
Strength to Weight: Bending, points 21 to 25
30
Thermal Diffusivity, mm2/s 14
3.3
Thermal Shock Resistance, points 18 to 24
36