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SAE-AISI T1 Steel vs. ASTM Grade HP Steel

Both SAE-AISI T1 steel and ASTM grade HP steel are iron alloys. They have 41% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, 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 HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
490

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Melting Completion (Liquidus), °C 1810
1370
Melting Onset (Solidus), °C 1750
1330
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
34
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.2
5.8
Embodied Energy, MJ/kg 130
82
Embodied Water, L/kg 90
220

Common Calculations

PREN (Pitting Resistance) 34
27
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
17
Strength to Weight: Bending, points 20 to 40
17
Thermal Diffusivity, mm2/s 5.2
3.2
Thermal Shock Resistance, points 23 to 64
11

Alloy Composition

Carbon (C), % 0.65 to 0.8
0.35 to 0.75
Chromium (Cr), % 3.8 to 4.5
24 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
29.2 to 42.7
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.3
33 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 2.5
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