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EN 1.3558 Steel vs. SAE-AISI T15 Steel

Both EN 1.3558 steel and SAE-AISI T15 steel are iron alloys. They have 90% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is SAE-AISI T15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 770
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Melting Completion (Liquidus), °C 1810
1690
Melting Onset (Solidus), °C 1760
1640
Specific Heat Capacity, J/kg-K 410
430
Thermal Conductivity, W/m-K 20
21
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 45
43
Density, g/cm3 9.3
8.7
Embodied Carbon, kg CO2/kg material 8.4
16
Embodied Energy, MJ/kg 130
250
Embodied Water, L/kg 90
140

Common Calculations

PREN (Pitting Resistance) 35
27
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
22
Strength to Weight: Axial, points 23
26 to 71
Strength to Weight: Bending, points 20
22 to 43
Thermal Diffusivity, mm2/s 5.3
5.6
Thermal Shock Resistance, points 22
26 to 70

Alloy Composition

Carbon (C), % 0.7 to 0.8
1.5 to 1.6
Chromium (Cr), % 3.9 to 4.3
3.8 to 5.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 73.7 to 77.6
67.5 to 73.5
Manganese (Mn), % 0 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.6
0 to 1.0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0.15 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 17.5 to 19
11.8 to 13
Vanadium (V), % 1.0 to 1.3
4.5 to 5.3