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ASTM Grade HP Steel vs. C99400 Brass

ASTM grade HP steel belongs to the iron alloys classification, while C99400 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HP steel and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
44
Tensile Strength: Ultimate (UTS), MPa 490
460 to 550
Tensile Strength: Yield (Proof), MPa 260
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 320
230
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1370
1070
Melting Onset (Solidus), °C 1330
1020
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 34
30
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 5.8
2.8
Embodied Energy, MJ/kg 82
45
Embodied Water, L/kg 220
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 170
230 to 590
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
15 to 17
Strength to Weight: Bending, points 17
15 to 17
Thermal Shock Resistance, points 11
16 to 19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0.35 to 0.75
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
83.5 to 96.5
Iron (Fe), % 29.2 to 42.7
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
1.0 to 3.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.5
0.5 to 2.0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0.5 to 5.0
Residuals, % 0
0 to 0.3