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ASTM A572 Steel vs. C47940 Brass

ASTM A572 steel belongs to the iron alloys classification, while C47940 brass 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 A572 steel and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 18 to 25
14 to 34
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
40
Shear Strength, MPa 300 to 380
250 to 310
Tensile Strength: Ultimate (UTS), MPa 470 to 620
380 to 520
Tensile Strength: Yield (Proof), MPa 330 to 510
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 400
130
Melting Completion (Liquidus), °C 1460
850
Melting Onset (Solidus), °C 1420
800
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 51
110
Thermal Expansion, µm/m-K 13
20

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.6
2.8
Embodied Energy, MJ/kg 22
47
Embodied Water, L/kg 47
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 690
120 to 740
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17 to 22
13 to 17
Strength to Weight: Bending, points 17 to 21
14 to 17
Thermal Diffusivity, mm2/s 14
36
Thermal Shock Resistance, points 14 to 18
13 to 17