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SAE-AISI T6 Steel vs. EN 1.4659 Stainless Steel

Both SAE-AISI T6 steel and EN 1.4659 stainless 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 (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T6 steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
900

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1830
1480
Melting Onset (Solidus), °C 1770
1430
Specific Heat Capacity, J/kg-K 400
460
Thermal Conductivity, W/m-K 18
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
37
Density, g/cm3 9.5
8.2
Embodied Carbon, kg CO2/kg material 11
6.5
Embodied Energy, MJ/kg 170
89
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 39
54
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 26 to 63
31
Strength to Weight: Bending, points 21 to 39
25
Thermal Diffusivity, mm2/s 4.7
3.2
Thermal Shock Resistance, points 26 to 64
19

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.020
Chromium (Cr), % 4.0 to 4.8
23 to 25
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
1.0 to 2.0
Iron (Fe), % 55.9 to 63.5
35.7 to 45.7
Manganese (Mn), % 0.2 to 0.4
2.0 to 4.0
Molybdenum (Mo), % 0.4 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), % 18.5 to 21
1.5 to 2.5
Vanadium (V), % 1.5 to 2.1
0