MakeItFrom.com
Menu (ESC)

ASTM A227 Spring Steel vs. C99400 Brass

ASTM A227 spring steel belongs to the iron alloys classification, while C99400 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A227 spring steel and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
44
Tensile Strength: Ultimate (UTS), MPa 1720 to 2220
460 to 550
Tensile Strength: Yield (Proof), MPa 1430 to 1850
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
230
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1450
1070
Melting Onset (Solidus), °C 1410
1020
Specific Heat Capacity, J/kg-K 470
400
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
17
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
30
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 46
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 61 to 79
15 to 17
Strength to Weight: Bending, points 41 to 48
15 to 17
Thermal Shock Resistance, points 55 to 71
16 to 19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0.45 to 0.85
0
Copper (Cu), % 0
83.5 to 96.5
Iron (Fe), % 97.4 to 99.1
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.3 to 1.3
0 to 0.5
Nickel (Ni), % 0
1.0 to 3.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.15 to 0.35
0.5 to 2.0
Sulfur (S), % 0 to 0.050
0
Zinc (Zn), % 0
0.5 to 5.0
Residuals, % 0
0 to 0.3

Comparable Variants