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ASTM A285 Carbon Steel vs. C43400 Brass

ASTM A285 carbon steel belongs to the iron alloys classification, while C43400 brass belongs to the copper alloys. There are 29 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 A285 carbon steel and the bottom bar is C43400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 30 to 34
3.0 to 49
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Shear Strength, MPa 250 to 290
250 to 390
Tensile Strength: Ultimate (UTS), MPa 380 to 450
310 to 690
Tensile Strength: Yield (Proof), MPa 190 to 230
110 to 560

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1470
1020
Melting Onset (Solidus), °C 1420 to 1430
990
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 53
140
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
31
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
32

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 18
44
Embodied Water, L/kg 46
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 150
57 to 1420
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 13 to 16
10 to 22
Strength to Weight: Bending, points 15 to 17
12 to 20
Thermal Diffusivity, mm2/s 14
41
Thermal Shock Resistance, points 12 to 14
11 to 24