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EN 1.3558 Steel vs. ASTM B817 Type II

EN 1.3558 steel belongs to the iron alloys classification, while ASTM B817 type II belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, 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 II.

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
900 to 960

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Maximum Temperature: Mechanical, °C 490
350
Melting Completion (Liquidus), °C 1810
1580
Melting Onset (Solidus), °C 1760
1530
Specific Heat Capacity, J/kg-K 410
550
Thermal Expansion, µm/m-K 12
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 45
37
Density, g/cm3 9.3
4.6
Embodied Carbon, kg CO2/kg material 8.4
40
Embodied Energy, MJ/kg 130
650
Embodied Water, L/kg 90
220

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
34
Strength to Weight: Axial, points 23
55 to 58
Strength to Weight: Bending, points 20
45 to 47
Thermal Shock Resistance, points 22
62 to 66

Alloy Composition

Aluminum (Al), % 0
5.0 to 6.0
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
0.35 to 1.0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 73.7 to 77.6
0.35 to 1.0
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
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
82.1 to 87.8
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
5.0 to 6.0
Residuals, % 0
0 to 0.4