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ASTM A202 Steel vs. Nickel 725

ASTM A202 steel belongs to the iron alloys classification, while nickel 725 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A202 steel and the bottom bar is nickel 725.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 18
34
Fatigue Strength, MPa 240
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
78
Shear Strength, MPa 360 to 410
580
Tensile Strength: Ultimate (UTS), MPa 590 to 670
860
Tensile Strength: Yield (Proof), MPa 350 to 360
350

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 410
980
Melting Completion (Liquidus), °C 1450
1340
Melting Onset (Solidus), °C 1410
1270
Specific Heat Capacity, J/kg-K 470
440
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
75
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.4
13
Embodied Energy, MJ/kg 19
190
Embodied Water, L/kg 49
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
240
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 24
28
Strength to Weight: Bending, points 20 to 22
24
Thermal Shock Resistance, points 17 to 20
23