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SAE-AISI T15 Steel vs. EN 1.7720 Steel

Both SAE-AISI T15 steel and EN 1.7720 steel are iron alloys. They have 73% of their average alloy composition in common. There are 22 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 T15 steel and the bottom bar is EN 1.7720 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 76
73
Tensile Strength: Ultimate (UTS), MPa 830 to 2240
590

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1690
1470
Melting Onset (Solidus), °C 1640
1430
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 21
40
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 43
2.8
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 16
2.2
Embodied Energy, MJ/kg 250
30
Embodied Water, L/kg 140
51

Common Calculations

PREN (Pitting Resistance) 27
2.1
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26 to 71
21
Strength to Weight: Bending, points 22 to 43
20
Thermal Diffusivity, mm2/s 5.6
11
Thermal Shock Resistance, points 26 to 70
17

Alloy Composition

Carbon (C), % 1.5 to 1.6
0.1 to 0.15
Chromium (Cr), % 3.8 to 5.0
0.3 to 0.5
Cobalt (Co), % 4.8 to 5.3
0
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 67.5 to 73.5
96.6 to 98.6
Manganese (Mn), % 0.15 to 0.4
0.4 to 0.7
Molybdenum (Mo), % 0 to 1.0
0.4 to 0.6
Nickel (Ni), % 0 to 0.3
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0.22 to 0.3