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SAE-AISI H26 Steel vs. ACI-ASTM CT15C Steel

Both SAE-AISI H26 steel and ACI-ASTM CT15C steel are iron alloys. They have 50% of their average alloy composition in common. 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 SAE-AISI H26 steel and the bottom bar is ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 720 to 2100
500

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Melting Completion (Liquidus), °C 1810
1410
Melting Onset (Solidus), °C 1760
1360
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
36
Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 8.1
6.1
Embodied Energy, MJ/kg 120
88
Embodied Water, L/kg 90
190

Common Calculations

PREN (Pitting Resistance) 34
20
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 22 to 63
17
Strength to Weight: Bending, points 19 to 39
17
Thermal Diffusivity, mm2/s 5.6
3.2
Thermal Shock Resistance, points 22 to 63
12

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.050 to 0.15
Chromium (Cr), % 3.8 to 4.5
19 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.3 to 77.5
40.3 to 49.2
Manganese (Mn), % 0.15 to 0.4
0.15 to 1.5
Nickel (Ni), % 0 to 0.3
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0.15 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 19
0
Vanadium (V), % 0.75 to 1.3
0