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SAE-AISI 1345 Steel vs. C68400 Brass

SAE-AISI 1345 steel belongs to the iron alloys classification, while C68400 brass belongs to the copper alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1345 steel and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 23
18
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
41
Shear Strength, MPa 370 to 440
330
Tensile Strength: Ultimate (UTS), MPa 590 to 730
540
Tensile Strength: Yield (Proof), MPa 330 to 620
310

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Maximum Temperature: Mechanical, °C 400
130
Melting Completion (Liquidus), °C 1450
840
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 51
66
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
87
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
99

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
47
Embodied Water, L/kg 48
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 120
81
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 1040
460
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 21 to 26
19
Strength to Weight: Bending, points 20 to 23
19
Thermal Diffusivity, mm2/s 14
21
Thermal Shock Resistance, points 19 to 23
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Carbon (C), % 0.43 to 0.48
0
Copper (Cu), % 0
59 to 64
Iron (Fe), % 97.2 to 97.8
0 to 1.0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 1.6 to 1.9
0.2 to 1.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.035
0.030 to 0.3
Silicon (Si), % 0.15 to 0.35
1.5 to 2.5
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
28.6 to 39.3
Residuals, % 0
0 to 0.5