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SAE-AISI T1 Steel vs. S30415 Stainless Steel

Both SAE-AISI T1 steel and S30415 stainless steel are iron alloys. They have 75% 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 S30415 stainless 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
77
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
670

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1410
Melting Onset (Solidus), °C 1750
1370
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
21
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 45
15
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.2
3.1
Embodied Energy, MJ/kg 130
43
Embodied Water, L/kg 90
140

Common Calculations

PREN (Pitting Resistance) 34
21
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
24
Strength to Weight: Bending, points 20 to 40
22
Thermal Diffusivity, mm2/s 5.2
5.6
Thermal Shock Resistance, points 23 to 64
15

Alloy Composition

Carbon (C), % 0.65 to 0.8
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 3.8 to 4.5
18 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
67.8 to 71.8
Manganese (Mn), % 0.1 to 0.4
0 to 0.8
Nickel (Ni), % 0 to 0.3
9.0 to 10
Nitrogen (N), % 0
0.12 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.4
1.0 to 2.0
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