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SAE-AISI H25 Steel vs. C68800 Brass

SAE-AISI H25 steel belongs to the iron alloys classification, while C68800 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H25 steel and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 79
41
Tensile Strength: Ultimate (UTS), MPa 710 to 1620
570 to 890

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Melting Completion (Liquidus), °C 1750
960
Melting Onset (Solidus), °C 1700
950
Specific Heat Capacity, J/kg-K 420
400
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 12
19

Otherwise Unclassified Properties

Base Metal Price, % relative 38
26
Density, g/cm3 9.1
8.2
Embodied Carbon, kg CO2/kg material 6.2
2.8
Embodied Energy, MJ/kg 93
48
Embodied Water, L/kg 83
350

Common Calculations

Stiffness to Weight: Axial, points 12
7.3
Stiffness to Weight: Bending, points 22
19
Strength to Weight: Axial, points 22 to 50
19 to 30
Strength to Weight: Bending, points 20 to 34
19 to 25
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 22 to 49
19 to 30

Alloy Composition

Aluminum (Al), % 0
3.0 to 3.8
Carbon (C), % 0.22 to 0.32
0
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 0 to 0.25
70.8 to 75.5
Iron (Fe), % 77.2 to 81.3
0 to 0.2
Lead (Pb), % 0
0 to 0.050
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
21.3 to 24.1
Residuals, % 0
0 to 0.5