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SAE-AISI T2 Steel vs. EN 1.4659 Stainless Steel

Both SAE-AISI T2 steel and EN 1.4659 stainless steel are iron alloys. They have 48% 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 T2 steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
900

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1820
1480
Melting Onset (Solidus), °C 1760
1430
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 19
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 46
37
Density, g/cm3 9.3
8.2
Embodied Carbon, kg CO2/kg material 11
6.5
Embodied Energy, MJ/kg 170
89
Embodied Water, L/kg 98
220

Common Calculations

PREN (Pitting Resistance) 36
54
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23 to 64
31
Strength to Weight: Bending, points 20 to 40
25
Thermal Diffusivity, mm2/s 4.9
3.2
Thermal Shock Resistance, points 23 to 65
19

Alloy Composition

Carbon (C), % 0.8 to 0.9
0 to 0.020
Chromium (Cr), % 3.8 to 4.5
23 to 25
Copper (Cu), % 0 to 0.25
1.0 to 2.0
Iron (Fe), % 70.8 to 75.8
35.7 to 45.7
Manganese (Mn), % 0.2 to 0.4
2.0 to 4.0
Molybdenum (Mo), % 0 to 1.0
5.5 to 6.5
Nickel (Ni), % 0 to 0.3
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 17.5 to 19
1.5 to 2.5
Vanadium (V), % 1.8 to 2.4
0