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SAE-AISI T6 Steel vs. EN 1.4903 Stainless Steel

Both SAE-AISI T6 steel and EN 1.4903 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, 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 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 880 to 2150
670 to 680

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1830
1460
Melting Onset (Solidus), °C 1770
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 18
26
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
7.0
Density, g/cm3 9.5
7.8
Embodied Carbon, kg CO2/kg material 11
2.6
Embodied Energy, MJ/kg 170
36
Embodied Water, L/kg 160
88

Common Calculations

PREN (Pitting Resistance) 39
13
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 26 to 63
24
Strength to Weight: Bending, points 21 to 39
22
Thermal Diffusivity, mm2/s 4.7
7.0
Thermal Shock Resistance, points 26 to 64
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.75 to 0.85
0.080 to 0.12
Chromium (Cr), % 4.0 to 4.8
8.0 to 9.5
Cobalt (Co), % 11 to 13
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 55.9 to 63.5
87.1 to 90.5
Manganese (Mn), % 0.2 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 0.4 to 1.0
0.85 to 1.1
Nickel (Ni), % 0 to 0.3
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 18.5 to 21
0
Vanadium (V), % 1.5 to 2.1
0.18 to 0.25