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SAE-AISI H25 Steel vs. C34000 Brass

SAE-AISI H25 steel belongs to the iron alloys classification, while C34000 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H25 steel and the bottom bar is C34000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 710 to 1620
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Melting Completion (Liquidus), °C 1750
930
Melting Onset (Solidus), °C 1700
890
Specific Heat Capacity, J/kg-K 420
380
Thermal Conductivity, W/m-K 26
120
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 38
24
Density, g/cm3 9.1
8.1
Embodied Carbon, kg CO2/kg material 6.2
2.6
Embodied Energy, MJ/kg 93
45
Embodied Water, L/kg 83
320

Common Calculations

Stiffness to Weight: Axial, points 12
7.1
Stiffness to Weight: Bending, points 22
19
Strength to Weight: Axial, points 22 to 50
11 to 22
Strength to Weight: Bending, points 20 to 34
13 to 21
Thermal Diffusivity, mm2/s 6.7
37
Thermal Shock Resistance, points 22 to 49
11 to 22

Alloy Composition

Carbon (C), % 0.22 to 0.32
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
62 to 65
Iron (Fe), % 77.2 to 81.3
0 to 0.1
Lead (Pb), % 0
0.8 to 1.5
Manganese (Mn), % 0.15 to 0.4
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0
Zinc (Zn), % 0
33 to 37.2
Residuals, % 0
0 to 0.4