MakeItFrom.com
Menu (ESC)

SAE-AISI H21 Steel vs. C68000 Brass

SAE-AISI H21 steel belongs to the iron alloys classification, while C68000 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H21 steel and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 720 to 1790
390

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Melting Completion (Liquidus), °C 1630
880
Melting Onset (Solidus), °C 1580
870
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 27
96
Thermal Expansion, µm/m-K 11
21

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.5
8.0
Embodied Carbon, kg CO2/kg material 4.5
2.8
Embodied Energy, MJ/kg 68
48
Embodied Water, L/kg 72
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 23 to 58
14
Strength to Weight: Bending, points 21 to 38
15
Thermal Diffusivity, mm2/s 7.1
31
Thermal Shock Resistance, points 24 to 59
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.28 to 0.36
0
Chromium (Cr), % 3.0 to 3.8
0
Copper (Cu), % 0 to 0.25
56 to 60
Iron (Fe), % 87.6 to 93.8
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.4
0.010 to 0.5
Nickel (Ni), % 0 to 0.3
0.2 to 0.8
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.5
0.040 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.75 to 1.1
Tungsten (W), % 8.5 to 10
0
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
35.6 to 42.8
Residuals, % 0
0 to 0.5