MakeItFrom.com
Menu (ESC)

ASTM A229 Spring Steel vs. CR011A Copper

ASTM A229 spring steel belongs to the iron alloys classification, while CR011A copper 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 A229 spring steel and the bottom bar is CR011A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 14
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
43
Tensile Strength: Ultimate (UTS), MPa 1690 to 1890
220
Tensile Strength: Yield (Proof), MPa 1100 to 1230
130

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 50
390
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
100
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
32
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
42
Embodied Water, L/kg 46
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
29
Resilience: Unit (Modulus of Resilience), kJ/m3 3260 to 4080
76
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 60 to 67
6.8
Strength to Weight: Bending, points 40 to 43
9.0
Thermal Diffusivity, mm2/s 14
110
Thermal Shock Resistance, points 54 to 60
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.55 to 0.85
0
Copper (Cu), % 0
99.88 to 99.97
Iron (Fe), % 97.5 to 99
0
Manganese (Mn), % 0.3 to 1.2
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
0.030 to 0.050
Sulfur (S), % 0 to 0.050
0