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EN 1.4729 Stainless Steel vs. SAE-AISI T6 Steel

Both EN 1.4729 stainless steel and SAE-AISI T6 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 EN 1.4729 stainless steel and the bottom bar is SAE-AISI T6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
81

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1420
1830
Melting Onset (Solidus), °C 1380
1770
Specific Heat Capacity, J/kg-K 490
400
Thermal Conductivity, W/m-K 24
18
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
70
Density, g/cm3 7.6
9.5
Embodied Carbon, kg CO2/kg material 2.1
11
Embodied Energy, MJ/kg 29
170
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 14
39
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 6.5
4.7

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.75 to 0.85
Chromium (Cr), % 12 to 14
4.0 to 4.8
Cobalt (Co), % 0
11 to 13
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 80.4 to 86.7
55.9 to 63.5
Manganese (Mn), % 0 to 1.0
0.2 to 0.4
Molybdenum (Mo), % 0 to 0.5
0.4 to 1.0
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
18.5 to 21
Vanadium (V), % 0
1.5 to 2.1