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S40910 Stainless Steel vs. SAE-AISI T1 Steel

Both S40910 stainless steel and SAE-AISI T1 steel are iron alloys. They have 80% 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 S40910 stainless steel and the bottom bar is SAE-AISI T1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 430
770 to 2130

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Melting Completion (Liquidus), °C 1450
1810
Melting Onset (Solidus), °C 1410
1750
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 26
20
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
45
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 2.0
8.2
Embodied Energy, MJ/kg 28
130
Embodied Water, L/kg 94
90

Common Calculations

PREN (Pitting Resistance) 11
34
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 16
23 to 64
Strength to Weight: Bending, points 16
20 to 40
Thermal Diffusivity, mm2/s 6.9
5.2
Thermal Shock Resistance, points 16
23 to 64

Alloy Composition

Carbon (C), % 0 to 0.030
0.65 to 0.8
Chromium (Cr), % 10.5 to 11.7
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 85 to 89.5
73.2 to 77.2
Manganese (Mn), % 0 to 1.0
0.1 to 0.4
Nickel (Ni), % 0 to 0.5
0 to 0.3
Niobium (Nb), % 0 to 0.17
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0
Tungsten (W), % 0
17.3 to 18.8
Vanadium (V), % 0
0.9 to 1.3