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EN 1.7725 Steel vs. Nickel 30

EN 1.7725 steel belongs to the iron alloys classification, while nickel 30 belongs to the nickel alloys. There are 29 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 EN 1.7725 steel and the bottom bar is nickel 30.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 14
34
Fatigue Strength, MPa 390 to 550
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
82
Tensile Strength: Ultimate (UTS), MPa 830 to 1000
660
Tensile Strength: Yield (Proof), MPa 610 to 860
270

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 440
1020
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 39
10
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
60
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.8
9.4
Embodied Energy, MJ/kg 24
130
Embodied Water, L/kg 54
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
180
Resilience: Unit (Modulus of Resilience), kJ/m3 980 to 1940
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 29 to 35
22
Strength to Weight: Bending, points 25 to 28
20
Thermal Diffusivity, mm2/s 11
2.7
Thermal Shock Resistance, points 24 to 29
18

Alloy Composition

Carbon (C), % 0.27 to 0.34
0 to 0.030
Chromium (Cr), % 1.3 to 1.7
28 to 31.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0
1.0 to 2.4
Iron (Fe), % 95.7 to 97.5
13 to 17
Manganese (Mn), % 0.6 to 1.0
0 to 0.030
Molybdenum (Mo), % 0.3 to 0.5
4.0 to 6.0
Nickel (Ni), % 0
30.2 to 52.2
Niobium (Nb), % 0
0.3 to 1.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 4.0
Vanadium (V), % 0.050 to 0.15
0