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EN 1.3558 Steel vs. EN 1.7102 Steel

Both EN 1.3558 steel and EN 1.7102 steel are iron alloys. They have 77% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is EN 1.7102 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 770
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Maximum Temperature: Mechanical, °C 490
410
Melting Completion (Liquidus), °C 1810
1440
Melting Onset (Solidus), °C 1760
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
47
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 45
2.2
Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 8.4
1.5
Embodied Energy, MJ/kg 130
20
Embodied Water, L/kg 90
48

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
24 to 72
Strength to Weight: Bending, points 20
22 to 46
Thermal Diffusivity, mm2/s 5.3
13
Thermal Shock Resistance, points 22
20 to 60

Alloy Composition

Carbon (C), % 0.7 to 0.8
0.51 to 0.59
Chromium (Cr), % 3.9 to 4.3
0.5 to 0.8
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 73.7 to 77.6
96.2 to 97.3
Manganese (Mn), % 0 to 0.4
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
1.2 to 1.6
Sulfur (S), % 0 to 0.015
0 to 0.025
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0