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ASTM A227 Spring Steel vs. C83300 Brass

ASTM A227 spring steel belongs to the iron alloys classification, while C83300 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A227 spring steel and the bottom bar is C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 500 to 640
35
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
35
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
42
Tensile Strength: Ultimate (UTS), MPa 1720 to 2220
220
Tensile Strength: Yield (Proof), MPa 1430 to 1850
69

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1450
1060
Melting Onset (Solidus), °C 1410
1030
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 52
160
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
33

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
30
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 46
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 260
60
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 61 to 79
6.9
Strength to Weight: Bending, points 41 to 48
9.2
Thermal Diffusivity, mm2/s 14
48
Thermal Shock Resistance, points 55 to 71
7.9

Alloy Composition

Carbon (C), % 0.45 to 0.85
0
Copper (Cu), % 0
92 to 94
Iron (Fe), % 97.4 to 99.1
0
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 0.3 to 1.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0
1.0 to 2.0
Zinc (Zn), % 0
2.0 to 6.0
Residuals, % 0
0 to 0.7