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EN 1.7701 Steel vs. EN 1.3559 Steel

Both EN 1.7701 steel and EN 1.3559 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.7701 steel and the bottom bar is EN 1.3559 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
500 to 1420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.2
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 26
19
Embodied Water, L/kg 52
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 71
18 to 50
Strength to Weight: Bending, points 22 to 45
18 to 36
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 20 to 59
15 to 42

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.48 to 0.56
0.17 to 0.23
Chromium (Cr), % 0.9 to 1.2
0.6 to 1.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.2 to 97.7
97.2 to 98.8
Manganese (Mn), % 0.7 to 1.1
0.6 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.1 to 0.2
0

Comparable Variants