MakeItFrom.com
Menu (ESC)

Type 3 Magnetic Alloy vs. ASTM A227 Spring Steel

Type 3 magnetic alloy belongs to the nickel alloys classification, while ASTM A227 spring steel belongs to the iron alloys. There are 27 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 Type 3 magnetic alloy and the bottom bar is ASTM A227 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Elongation at Break, % 43
12
Fatigue Strength, MPa 170
900 to 1160
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 70
72
Shear Strength, MPa 380
1030 to 1330
Tensile Strength: Ultimate (UTS), MPa 550
1720 to 2220
Tensile Strength: Yield (Proof), MPa 210
1430 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
1.8
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 8.7
1.4
Embodied Energy, MJ/kg 120
19
Embodied Water, L/kg 220
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
200 to 260
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
61 to 79
Strength to Weight: Bending, points 17
41 to 48
Thermal Shock Resistance, points 18
55 to 71

Alloy Composition

Carbon (C), % 0 to 0.050
0.45 to 0.85
Chromium (Cr), % 2.0 to 3.0
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 4.0 to 6.0
0
Iron (Fe), % 9.9 to 19
97.4 to 99.1
Manganese (Mn), % 0 to 1.5
0.3 to 1.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 75 to 78
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.050