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SAE-AISI H11 Steel vs. C84400 Valve Metal

SAE-AISI H11 steel belongs to the iron alloys classification, while C84400 valve metal belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H11 steel and the bottom bar is C84400 valve metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
39
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
230

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Melting Completion (Liquidus), °C 1460
1000
Melting Onset (Solidus), °C 1410
840
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 42
72
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
16
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
17

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
29
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.0
2.8
Embodied Energy, MJ/kg 43
46
Embodied Water, L/kg 75
340

Common Calculations

Stiffness to Weight: Axial, points 14
6.6
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25 to 66
7.2
Strength to Weight: Bending, points 22 to 43
9.4
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 22 to 58
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.33 to 0.43
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
78 to 82
Iron (Fe), % 89.6 to 92.5
0 to 0.4
Lead (Pb), % 0
6.0 to 8.0
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 1.1 to 1.6
0
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 1.5
Silicon (Si), % 0.8 to 1.2
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
2.3 to 3.5
Vanadium (V), % 0.3 to 0.6
0
Zinc (Zn), % 0
7.0 to 10
Residuals, % 0
0 to 0.7