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EN 1.3520 Steel vs. EN 1.7177 Steel

Both EN 1.3520 steel and EN 1.7177 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 1.3520 steel and the bottom bar is EN 1.7177 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 220
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 620 to 730
660 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
420
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 43
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 54
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 26
23 to 71
Strength to Weight: Bending, points 21 to 23
21 to 45
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 18 to 22
19 to 59

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0.55 to 0.65
Chromium (Cr), % 1.4 to 1.7
0.6 to 0.9
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 95.9 to 97.2
97 to 98.2
Manganese (Mn), % 1.0 to 1.2
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.45 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants