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ASTM A227 Spring Steel vs. C93800 Bronze

ASTM A227 spring steel belongs to the iron alloys classification, while C93800 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A227 spring steel and the bottom bar is C93800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
96
Elongation at Break, % 12
9.7
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 72
35
Tensile Strength: Ultimate (UTS), MPa 1720 to 2220
200
Tensile Strength: Yield (Proof), MPa 1430 to 1850
120

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 400
140
Melting Completion (Liquidus), °C 1450
940
Melting Onset (Solidus), °C 1410
850
Specific Heat Capacity, J/kg-K 470
340
Thermal Conductivity, W/m-K 52
52
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
31
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 19
51
Embodied Water, L/kg 46
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 260
17
Stiffness to Weight: Axial, points 13
5.9
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 61 to 79
6.1
Strength to Weight: Bending, points 41 to 48
8.4
Thermal Diffusivity, mm2/s 14
17
Thermal Shock Resistance, points 55 to 71
8.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0.45 to 0.85
0
Copper (Cu), % 0
75 to 79
Iron (Fe), % 97.4 to 99.1
0 to 0.15
Lead (Pb), % 0
13 to 16
Manganese (Mn), % 0.3 to 1.3
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 1.5
Silicon (Si), % 0.15 to 0.35
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 0
6.3 to 7.5
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 1.0