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C38000 Brass vs. ASTM A372 Grade H Steel

C38000 brass belongs to the copper alloys classification, while ASTM A372 grade H steel belongs to the iron 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 C38000 brass and the bottom bar is ASTM A372 grade H steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 17
20 to 22
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 39
73
Shear Strength, MPa 230
410 to 570
Tensile Strength: Ultimate (UTS), MPa 380
650 to 910
Tensile Strength: Yield (Proof), MPa 120
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 110
410
Melting Completion (Liquidus), °C 800
1460
Melting Onset (Solidus), °C 760
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
45
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 330
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 74
500 to 810
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13
23 to 32
Strength to Weight: Bending, points 14
21 to 27
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 13
19 to 27

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0.3 to 0.4
Chromium (Cr), % 0
0.4 to 0.65
Copper (Cu), % 55 to 60
0
Iron (Fe), % 0 to 0.35
97.3 to 98.3
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0.75 to 1.1
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0
Residuals, % 0 to 0.5
0