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Grade N12MV Nickel vs. ASTM A229 Spring Steel

Grade N12MV nickel belongs to the nickel alloys classification, while ASTM A229 spring steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade N12MV nickel and the bottom bar is ASTM A229 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Elongation at Break, % 6.8
14
Fatigue Strength, MPa 130
710 to 790
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 84
72
Tensile Strength: Ultimate (UTS), MPa 600
1690 to 1890
Tensile Strength: Yield (Proof), MPa 310
1100 to 1230

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1620
1450
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.8
Density, g/cm3 9.2
7.8
Embodied Carbon, kg CO2/kg material 16
1.4
Embodied Energy, MJ/kg 200
19
Embodied Water, L/kg 260
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 220
3260 to 4080
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
60 to 67
Strength to Weight: Bending, points 17
40 to 43
Thermal Shock Resistance, points 19
54 to 60

Alloy Composition

Carbon (C), % 0 to 0.12
0.55 to 0.85
Chromium (Cr), % 0 to 1.0
0
Iron (Fe), % 4.0 to 6.0
97.5 to 99
Manganese (Mn), % 0 to 1.0
0.3 to 1.2
Molybdenum (Mo), % 26 to 30
0
Nickel (Ni), % 60.2 to 69.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.050
Vanadium (V), % 0.2 to 0.6
0