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SAE-AISI T15 Steel vs. EN 1.7706 Steel

Both SAE-AISI T15 steel and EN 1.7706 steel are iron alloys. They have 74% 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 1.7706 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
690

Thermal Properties

Latent Heat of Fusion, J/g 250
260
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
3.7
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 16
2.3
Embodied Energy, MJ/kg 250
32
Embodied Water, L/kg 140
57

Common Calculations

PREN (Pitting Resistance) 27
4.7
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 26 to 71
24
Strength to Weight: Bending, points 22 to 43
22
Thermal Diffusivity, mm2/s 5.6
11
Thermal Shock Resistance, points 26 to 70
20

Alloy Composition

Carbon (C), % 1.5 to 1.6
0.15 to 0.2
Chromium (Cr), % 3.8 to 5.0
1.2 to 1.5
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
94.7 to 97.1
Manganese (Mn), % 0.15 to 0.4
0.5 to 0.9
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.15 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 11.8 to 13
0
Vanadium (V), % 4.5 to 5.3
0.2 to 0.3