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EN 1.4558 Stainless Steel vs. SAE-AISI T15 Steel

Both EN 1.4558 stainless steel and SAE-AISI T15 steel are iron alloys. They have 49% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4558 stainless steel and the bottom bar is SAE-AISI T15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 510
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1400
1690
Melting Onset (Solidus), °C 1350
1640
Specific Heat Capacity, J/kg-K 480
430
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
43
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 5.5
16
Embodied Energy, MJ/kg 77
250
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 22
27
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 18
26 to 71
Strength to Weight: Bending, points 18
22 to 43
Thermal Diffusivity, mm2/s 3.1
5.6
Thermal Shock Resistance, points 12
26 to 70

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Carbon (C), % 0 to 0.030
1.5 to 1.6
Chromium (Cr), % 20 to 23
3.8 to 5.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 39.2 to 47.9
67.5 to 73.5
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 32 to 35
0 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.7
0.15 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.6
0
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3