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SAE-AISI T1 Steel vs. S30615 Stainless Steel

Both SAE-AISI T1 steel and S30615 stainless steel are iron alloys. They have 66% 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 T1 steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
690

Thermal Properties

Latent Heat of Fusion, J/g 240
340
Melting Completion (Liquidus), °C 1810
1370
Melting Onset (Solidus), °C 1750
1320
Specific Heat Capacity, J/kg-K 410
500
Thermal Conductivity, W/m-K 20
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
19
Density, g/cm3 9.3
7.6
Embodied Carbon, kg CO2/kg material 8.2
3.7
Embodied Energy, MJ/kg 130
53
Embodied Water, L/kg 90
170

Common Calculations

PREN (Pitting Resistance) 34
18
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
25
Strength to Weight: Bending, points 20 to 40
23
Thermal Diffusivity, mm2/s 5.2
3.7
Thermal Shock Resistance, points 23 to 64
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.65 to 0.8
0.16 to 0.24
Chromium (Cr), % 3.8 to 4.5
17 to 19.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
56.7 to 65.3
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Nickel (Ni), % 0 to 0.3
13.5 to 16
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
3.2 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0