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SAE-AISI T15 Steel vs. EN 1.4418 Stainless Steel

Both SAE-AISI T15 steel and EN 1.4418 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 EN 1.4418 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
860 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1690
1450
Melting Onset (Solidus), °C 1640
1400
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 43
13
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 16
2.8
Embodied Energy, MJ/kg 250
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 27
20
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 26 to 71
31 to 36
Strength to Weight: Bending, points 22 to 43
26 to 28
Thermal Diffusivity, mm2/s 5.6
4.0
Thermal Shock Resistance, points 26 to 70
31 to 36

Alloy Composition

Carbon (C), % 1.5 to 1.6
0 to 0.060
Chromium (Cr), % 3.8 to 5.0
15 to 17
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 67.5 to 73.5
73.2 to 80.2
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 0 to 1.0
0.8 to 1.5
Nickel (Ni), % 0 to 0.3
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0

Comparable Variants