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ASTM A387 Grade 11 Steel vs. C43400 Brass

ASTM A387 grade 11 steel belongs to the iron alloys classification, while C43400 brass belongs to the copper alloys. There are 29 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 A387 grade 11 steel and the bottom bar is C43400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25
3.0 to 49
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Shear Strength, MPa 320 to 390
250 to 390
Tensile Strength: Ultimate (UTS), MPa 500 to 600
310 to 690
Tensile Strength: Yield (Proof), MPa 270 to 350
110 to 560

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Maximum Temperature: Mechanical, °C 430
170
Melting Completion (Liquidus), °C 1460
1020
Melting Onset (Solidus), °C 1420
990
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 39
140
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
31
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
32

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
28
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.6
2.7
Embodied Energy, MJ/kg 21
44
Embodied Water, L/kg 53
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
19 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
57 to 1420
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18 to 21
10 to 22
Strength to Weight: Bending, points 18 to 20
12 to 20
Thermal Diffusivity, mm2/s 11
41
Thermal Shock Resistance, points 15 to 18
11 to 24

Alloy Composition


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Carbon (C), % 0.050 to 0.17
0
Chromium (Cr), % 1.0 to 1.5
0
Copper (Cu), % 0
84 to 87
Iron (Fe), % 96.2 to 97.6
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.4 to 0.65
0
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.5 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0.4 to 1.0
Zinc (Zn), % 0
11.4 to 15.6
Residuals, % 0
0 to 0.5