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SAE-AISI T6 Steel vs. EN 1.4740 Stainless Steel

Both SAE-AISI T6 steel and EN 1.4740 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 18 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 SAE-AISI T6 steel and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1830
1420
Melting Onset (Solidus), °C 1770
1370
Specific Heat Capacity, J/kg-K 400
490
Thermal Conductivity, W/m-K 18
18
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 9.5
7.6
Embodied Carbon, kg CO2/kg material 11
2.3
Embodied Energy, MJ/kg 170
32
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 39
18
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 4.7
4.8

Alloy Composition

Carbon (C), % 0.75 to 0.85
0.3 to 0.5
Chromium (Cr), % 4.0 to 4.8
16 to 19
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 55.9 to 63.5
75.4 to 82.7
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
0 to 0.5
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0