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ASTM Grade HH Steel vs. C34500 Brass

ASTM grade HH steel belongs to the iron alloys classification, while C34500 brass belongs to the copper alloys. There are 28 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 grade HH steel and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 11
12 to 28
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 79
40
Tensile Strength: Ultimate (UTS), MPa 580
340 to 430
Tensile Strength: Yield (Proof), MPa 270
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1400
910
Melting Onset (Solidus), °C 1360
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 14
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
29

Otherwise Unclassified Properties

Base Metal Price, % relative 20
24
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.7
2.6
Embodied Energy, MJ/kg 53
45
Embodied Water, L/kg 180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 53
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 190
69 to 160
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 21
12 to 15
Strength to Weight: Bending, points 20
13 to 16
Thermal Diffusivity, mm2/s 3.8
37
Thermal Shock Resistance, points 12
11 to 14

Alloy Composition

Carbon (C), % 0.2 to 0.5
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 52.9 to 64.8
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 11 to 14
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
32 to 36.5
Residuals, % 0
0 to 0.4