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SAE-AISI T15 Steel vs. EN 1.4539 Stainless Steel

Both SAE-AISI T15 steel and EN 1.4539 stainless steel are iron alloys. They have 53% 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 T15 steel and the bottom bar is EN 1.4539 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
79
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
630

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1690
1440
Melting Onset (Solidus), °C 1640
1390
Specific Heat Capacity, J/kg-K 430
460
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 43
31
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 16
5.7
Embodied Energy, MJ/kg 250
78
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 27
36
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26 to 71
22
Strength to Weight: Bending, points 22 to 43
20
Thermal Diffusivity, mm2/s 5.6
3.2
Thermal Shock Resistance, points 26 to 70
14

Alloy Composition

Carbon (C), % 1.5 to 1.6
0 to 0.020
Chromium (Cr), % 3.8 to 5.0
19 to 21
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 67.5 to 73.5
43.1 to 51.8
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
4.0 to 5.0
Nickel (Ni), % 0 to 0.3
24 to 26
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0