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SAE-AISI T1 Steel vs. S32750 Stainless Steel

Both SAE-AISI T1 steel and S32750 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T1 steel and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
860

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1450
Melting Onset (Solidus), °C 1750
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
21
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
4.1
Embodied Energy, MJ/kg 130
56
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 34
43
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
31
Strength to Weight: Bending, points 20 to 40
26
Thermal Diffusivity, mm2/s 5.2
4.0
Thermal Shock Resistance, points 23 to 64
25

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
24 to 26
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 73.2 to 77.2
58.1 to 66.8
Manganese (Mn), % 0.1 to 0.4
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.3
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0