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EN 1.3558 Steel vs. ASTM B817 Type I

EN 1.3558 steel belongs to the iron alloys classification, while ASTM B817 type I belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is ASTM B817 type I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 770
770 to 960

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Maximum Temperature: Mechanical, °C 490
340
Melting Completion (Liquidus), °C 1810
1600
Melting Onset (Solidus), °C 1760
1550
Specific Heat Capacity, J/kg-K 410
560
Thermal Conductivity, W/m-K 20
7.1
Thermal Expansion, µm/m-K 12
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 45
36
Density, g/cm3 9.3
4.4
Embodied Carbon, kg CO2/kg material 8.4
38
Embodied Energy, MJ/kg 130
610
Embodied Water, L/kg 90
200

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
35
Strength to Weight: Axial, points 23
48 to 60
Strength to Weight: Bending, points 20
42 to 49
Thermal Diffusivity, mm2/s 5.3
2.9
Thermal Shock Resistance, points 22
54 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0.7 to 0.8
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 73.7 to 77.6
0 to 0.4
Manganese (Mn), % 0 to 0.4
0
Molybdenum (Mo), % 0 to 0.6
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
87 to 91
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
3.5 to 4.5
Residuals, % 0
0 to 0.4