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EN 1.7375 Steel vs. SAE-AISI T8 Steel

Both EN 1.7375 steel and SAE-AISI T8 steel are iron alloys. They have 76% 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 EN 1.7375 steel and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 620
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1470
1730
Melting Onset (Solidus), °C 1430
1670
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 39
18
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
45
Density, g/cm3 7.9
9.0
Embodied Carbon, kg CO2/kg material 1.8
10
Embodied Energy, MJ/kg 23
160
Embodied Water, L/kg 59
120

Common Calculations

PREN (Pitting Resistance) 5.6
30
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 22
24 to 66
Strength to Weight: Bending, points 20
21 to 41
Thermal Diffusivity, mm2/s 11
4.8
Thermal Shock Resistance, points 18
24 to 66

Alloy Composition

Aluminum (Al), % 0.010 to 0.040
0
Carbon (C), % 0.1 to 0.15
0.75 to 0.85
Chromium (Cr), % 2.0 to 2.5
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 94.5 to 96.7
69.3 to 75.4
Manganese (Mn), % 0.3 to 0.8
0.2 to 0.4
Molybdenum (Mo), % 0.9 to 1.1
0.4 to 1.0
Nickel (Ni), % 0 to 0.3
0 to 0.3
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.3
0.2 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4