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SAE-AISI T4 Steel vs. EN 1.4571 Stainless Steel

Both SAE-AISI T4 steel and EN 1.4571 stainless steel are iron alloys. They have 72% 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 T4 steel and the bottom bar is EN 1.4571 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 80
78
Tensile Strength: Ultimate (UTS), MPa 800 to 2140
600 to 900

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1810
1440
Melting Onset (Solidus), °C 1750
1400
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 55
19
Density, g/cm3 9.4
7.9
Embodied Carbon, kg CO2/kg material 8.5
3.9
Embodied Energy, MJ/kg 130
54
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 37
25
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 24 to 64
21 to 32
Strength to Weight: Bending, points 20 to 39
20 to 26
Thermal Diffusivity, mm2/s 5.4
4.0
Thermal Shock Resistance, points 24 to 64
13 to 20

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.080
Chromium (Cr), % 3.8 to 4.5
16.5 to 18.5
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 66.3 to 72.3
61.7 to 71
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.4 to 1.0
2.0 to 2.5
Nickel (Ni), % 0 to 0.3
10.5 to 13.5
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.7
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 0.8 to 1.2
0

Comparable Variants