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SAE-AISI T15 Steel vs. S15700 Stainless Steel

Both SAE-AISI T15 steel and S15700 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T15 steel and the bottom bar is S15700 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 76
77
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
1180 to 1890

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1690
1440
Melting Onset (Solidus), °C 1640
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 43
15
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 16
3.4
Embodied Energy, MJ/kg 250
47
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 27
23
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 26 to 71
42 to 67
Strength to Weight: Bending, points 22 to 43
32 to 43
Thermal Diffusivity, mm2/s 5.6
4.2
Thermal Shock Resistance, points 26 to 70
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 1.5 to 1.6
0 to 0.090
Chromium (Cr), % 3.8 to 5.0
14 to 16
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 67.5 to 73.5
69.6 to 76.8
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
6.5 to 7.7
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0

Comparable Variants