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SAE-AISI T4 Steel vs. EN 1.4910 Stainless Steel

Both SAE-AISI T4 steel and EN 1.4910 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 (12, 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 1.4910 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
650

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
16
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 55
20
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
27
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 24 to 64
23
Strength to Weight: Bending, points 20 to 39
21
Thermal Diffusivity, mm2/s 5.4
4.3
Thermal Shock Resistance, points 24 to 64
14

Alloy Composition

Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0.7 to 0.8
0 to 0.040
Chromium (Cr), % 3.8 to 4.5
16 to 18
Cobalt (Co), % 4.3 to 5.8
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 66.3 to 72.3
62 to 69.9
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.4 to 1.0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
12 to 14
Nitrogen (N), % 0
0.1 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.2 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 0.8 to 1.2
0