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EN 1.7108 Steel vs. EN 1.3555 Steel

Both EN 1.7108 steel and EN 1.3555 steel are iron alloys. They have 87% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7108 steel and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 510
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
770

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 410
540
Melting Completion (Liquidus), °C 1430
1500
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.5
5.6
Embodied Energy, MJ/kg 20
81
Embodied Water, L/kg 47
90

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 75
27
Strength to Weight: Bending, points 22 to 47
23
Thermal Shock Resistance, points 20 to 63
22

Alloy Composition

Carbon (C), % 0.57 to 0.65
0.1 to 0.15
Chromium (Cr), % 0.2 to 0.45
3.9 to 4.3
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 95.9 to 96.9
85.4 to 87.7
Manganese (Mn), % 0.7 to 1.0
0.15 to 0.35
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0
3.2 to 3.6
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 1.6 to 2.0
0.1 to 0.25
Sulfur (S), % 0 to 0.025
0 to 0.010
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3