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ASTM A387 Grade 2 Steel vs. C42200 Brass

ASTM A387 grade 2 steel belongs to the iron alloys classification, while C42200 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 2 steel and the bottom bar is C42200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25
2.0 to 46
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Shear Strength, MPa 300 to 350
210 to 350
Tensile Strength: Ultimate (UTS), MPa 470 to 550
300 to 610
Tensile Strength: Yield (Proof), MPa 260 to 350
100 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1470
1040
Melting Onset (Solidus), °C 1420
1020
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 45
130
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
31
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
32

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
29
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 1.6
2.7
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 50
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
49 to 1460
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 16 to 20
9.5 to 19
Strength to Weight: Bending, points 17 to 19
11 to 18
Thermal Diffusivity, mm2/s 12
39
Thermal Shock Resistance, points 14 to 16
10 to 21

Alloy Composition

Carbon (C), % 0.050 to 0.21
0
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 97.1 to 98.3
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.55 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.35
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
0.8 to 1.4
Zinc (Zn), % 0
8.7 to 13.2
Residuals, % 0
0 to 0.5