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EN 1.6580 Steel vs. EN 1.1170 Steel

Both EN 1.6580 steel and EN 1.1170 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.6580 steel and the bottom bar is EN 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 350
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 19
16 to 17
Fatigue Strength, MPa 310 to 610
220 to 330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 450 to 700
390 to 450
Tensile Strength: Ultimate (UTS), MPa 720 to 1170
640 to 730
Tensile Strength: Yield (Proof), MPa 460 to 990
330 to 500

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 450
400
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 40
50
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 23
19
Embodied Water, L/kg 59
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 2590
290 to 670
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 41
23 to 26
Strength to Weight: Bending, points 23 to 31
21 to 23
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 21 to 34
20 to 23

Alloy Composition

Carbon (C), % 0.26 to 0.34
0.25 to 0.32
Chromium (Cr), % 1.8 to 2.2
0 to 0.4
Iron (Fe), % 93.7 to 95.5
96.7 to 98.5
Manganese (Mn), % 0.3 to 0.6
1.3 to 1.7
Molybdenum (Mo), % 0.3 to 0.5
0 to 0.1
Nickel (Ni), % 1.8 to 2.2
0 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.035

Comparable Variants