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SAE-AISI T6 Steel vs. ASTM Grade HC Steel

Both SAE-AISI T6 steel and ASTM grade HC steel are iron alloys. They have 65% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T6 steel and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
430

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1830
1410
Melting Onset (Solidus), °C 1770
1370
Specific Heat Capacity, J/kg-K 400
490
Thermal Conductivity, W/m-K 18
17
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
14
Density, g/cm3 9.5
7.6
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 170
40
Embodied Water, L/kg 160
170

Common Calculations

PREN (Pitting Resistance) 39
29
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 21
26
Strength to Weight: Axial, points 26 to 63
16
Strength to Weight: Bending, points 21 to 39
16
Thermal Diffusivity, mm2/s 4.7
4.5
Thermal Shock Resistance, points 26 to 64
14

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.5
Chromium (Cr), % 4.0 to 4.8
26 to 30
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 55.9 to 63.5
61.9 to 74
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
0 to 0.5
Nickel (Ni), % 0 to 0.3
0 to 4.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0