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EN 1.3975 Stainless Steel vs. SAE-AISI T15 Steel

Both EN 1.3975 stainless steel and SAE-AISI T15 steel are iron alloys. They have 67% of their average alloy composition in common. There are 20 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 1.3975 stainless steel and the bottom bar is SAE-AISI T15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 660
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Melting Completion (Liquidus), °C 1360
1690
Melting Onset (Solidus), °C 1320
1640
Specific Heat Capacity, J/kg-K 500
430
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
43
Density, g/cm3 7.5
8.7
Embodied Carbon, kg CO2/kg material 3.3
16
Embodied Energy, MJ/kg 47
250
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 21
27
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
22
Strength to Weight: Axial, points 24
26 to 71
Strength to Weight: Bending, points 22
22 to 43
Thermal Shock Resistance, points 15
26 to 70

Alloy Composition

Carbon (C), % 0 to 0.050
1.5 to 1.6
Chromium (Cr), % 16 to 18
3.8 to 5.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 58.2 to 65.4
67.5 to 73.5
Manganese (Mn), % 7.0 to 9.0
0.15 to 0.4
Molybdenum (Mo), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 8.0 to 9.0
0 to 0.3
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 0
4.5 to 5.3