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SAE-AISI T1 Steel vs. ASTM Grade HD Steel

Both SAE-AISI T1 steel and ASTM grade HD steel are iron alloys. They have 69% 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 T1 steel and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
590

Thermal Properties

Latent Heat of Fusion, J/g 240
310
Melting Completion (Liquidus), °C 1810
1410
Melting Onset (Solidus), °C 1750
1370
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 20
16
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 45
17
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.2
3.1
Embodied Energy, MJ/kg 130
45
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 34
29
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 21
26
Strength to Weight: Axial, points 23 to 64
21
Strength to Weight: Bending, points 20 to 40
20
Thermal Diffusivity, mm2/s 5.2
4.3
Thermal Shock Resistance, points 23 to 64
19

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.5
Chromium (Cr), % 3.8 to 4.5
26 to 30
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
58.4 to 70
Manganese (Mn), % 0.1 to 0.4
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
4.0 to 7.0
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), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0