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ASTM A372 Grade L Steel vs. C68700 Brass

ASTM A372 grade L steel belongs to the iron alloys classification, while C68700 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade L steel and the bottom bar is C68700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 1160
390
Tensile Strength: Yield (Proof), MPa 1040
140

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 430
160
Melting Completion (Liquidus), °C 1460
970
Melting Onset (Solidus), °C 1420
930
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 44
100
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
25

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
26
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 22
46
Embodied Water, L/kg 54
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 2890
90
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 41
13
Strength to Weight: Bending, points 31
14
Thermal Diffusivity, mm2/s 12
30
Thermal Shock Resistance, points 34
13

Alloy Composition


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Aluminum (Al), % 0
1.8 to 2.5
Arsenic (As), % 0
0.020 to 0.1
Carbon (C), % 0.38 to 0.43
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
76 to 79
Iron (Fe), % 95.2 to 96.3
0 to 0.060
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0.6 to 0.8
0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.7 to 2.0
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.010
0
Zinc (Zn), % 0
17.8 to 22.2
Residuals, % 0
0 to 0.5