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SAE-AISI T2 Steel vs. EN 1.4740 Stainless Steel

Both SAE-AISI T2 steel and EN 1.4740 stainless steel are iron alloys. They have 79% 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 T2 steel and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
77

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1820
1420
Melting Onset (Solidus), °C 1760
1370
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 19
18
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 46
9.5
Density, g/cm3 9.3
7.6
Embodied Carbon, kg CO2/kg material 11
2.3
Embodied Energy, MJ/kg 170
32
Embodied Water, L/kg 98
120

Common Calculations

PREN (Pitting Resistance) 36
18
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 4.9
4.8

Alloy Composition

Carbon (C), % 0.8 to 0.9
0.3 to 0.5
Chromium (Cr), % 3.8 to 4.5
16 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 70.8 to 75.8
75.4 to 82.7
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 0 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), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0