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Nickel 200 vs. ASTM A232 Spring Steel

Nickel 200 belongs to the nickel alloys classification, while ASTM A232 spring steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is nickel 200 and the bottom bar is ASTM A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 23 to 44
14
Fatigue Strength, MPa 120 to 350
1040
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
73
Shear Strength, MPa 300 to 340
1090
Tensile Strength: Ultimate (UTS), MPa 420 to 540
1790
Tensile Strength: Yield (Proof), MPa 120 to 370
1610

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 69
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 18
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 65
2.3
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 11
2.0
Embodied Energy, MJ/kg 150
28
Embodied Water, L/kg 230
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
250
Stiffness to Weight: Axial, points 11
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 13 to 17
64
Strength to Weight: Bending, points 14 to 17
42
Thermal Diffusivity, mm2/s 17
14
Thermal Shock Resistance, points 13 to 16
53

Alloy Composition

Carbon (C), % 0 to 0.15
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.4
96.8 to 97.7
Manganese (Mn), % 0 to 0.35
0.7 to 0.9
Nickel (Ni), % 99 to 100
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.35
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.035
Vanadium (V), % 0
0.15 to 0.3