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Nickel 30 vs. ASTM A229 Spring Steel

Nickel 30 belongs to the nickel alloys classification, while ASTM A229 spring steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is nickel 30 and the bottom bar is ASTM A229 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
14
Fatigue Strength, MPa 200
710 to 790
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
72
Shear Strength, MPa 440
1020 to 1140
Tensile Strength: Ultimate (UTS), MPa 660
1690 to 1890
Tensile Strength: Yield (Proof), MPa 270
1100 to 1230

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 10
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
1.8
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 9.4
1.4
Embodied Energy, MJ/kg 130
19
Embodied Water, L/kg 290
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 180
3260 to 4080
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 22
60 to 67
Strength to Weight: Bending, points 20
40 to 43
Thermal Diffusivity, mm2/s 2.7
14
Thermal Shock Resistance, points 18
54 to 60

Alloy Composition

Carbon (C), % 0 to 0.030
0.55 to 0.85
Chromium (Cr), % 28 to 31.5
0
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0
Iron (Fe), % 13 to 17
97.5 to 99
Manganese (Mn), % 0 to 0.030
0.3 to 1.2
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 30.2 to 52.2
0
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.050
Tungsten (W), % 1.5 to 4.0
0