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Nickel 625 vs. ASTM A225 Steel

Nickel 625 belongs to the nickel alloys classification, while ASTM A225 steel belongs to the iron 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 nickel 625 and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
21 to 23
Fatigue Strength, MPa 240 to 320
330 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 530 to 600
390 to 520
Tensile Strength: Ultimate (UTS), MPa 790 to 910
620 to 830
Tensile Strength: Yield (Proof), MPa 320 to 450
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1290
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 80
2.3
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
1.8
Embodied Energy, MJ/kg 190
24 to 25
Embodied Water, L/kg 290
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
580 to 820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
22 to 29
Strength to Weight: Bending, points 22 to 24
21 to 25
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 22 to 25
18 to 24

Comparable Variants