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SAE-AISI T1 Steel vs. EN 1.7709 Steel

Both SAE-AISI T1 steel and EN 1.7709 steel are iron alloys. They have 78% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T1 steel and the bottom bar is EN 1.7709 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 240
250
Melting Completion (Liquidus), °C 1810
1470
Melting Onset (Solidus), °C 1750
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
33
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 45
3.4
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
2.3
Embodied Energy, MJ/kg 130
32
Embodied Water, L/kg 90
56

Common Calculations

PREN (Pitting Resistance) 34
3.6
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 23 to 64
23 to 27
Strength to Weight: Bending, points 20 to 40
21 to 24
Thermal Diffusivity, mm2/s 5.2
8.9
Thermal Shock Resistance, points 23 to 64
22 to 26

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0.65 to 0.8
0.17 to 0.25
Chromium (Cr), % 3.8 to 4.5
1.2 to 1.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
95.2 to 97.5
Manganese (Mn), % 0.1 to 0.4
0.4 to 0.8
Molybdenum (Mo), % 0
0.55 to 0.8
Nickel (Ni), % 0 to 0.3
0 to 0.6
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0.2 to 0.35