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EN 1.7367 Steel vs. EN 1.6579 Steel

Both EN 1.7367 steel and EN 1.6579 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.7367 steel and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
11 to 14
Fatigue Strength, MPa 310
380 to 570
Impact Strength: V-Notched Charpy, J 31
35 to 41
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 670
850 to 980
Tensile Strength: Yield (Proof), MPa 460
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
440
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 37
22
Embodied Water, L/kg 88
56

Common Calculations

PREN (Pitting Resistance) 13
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 560
950 to 2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
30 to 35
Strength to Weight: Bending, points 22
25 to 28
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 19
25 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0.32 to 0.38
Chromium (Cr), % 8.0 to 9.5
1.4 to 1.7
Iron (Fe), % 87.3 to 90.3
94.2 to 96.1
Manganese (Mn), % 0.3 to 0.6
0.6 to 1.0
Molybdenum (Mo), % 0.85 to 1.1
0.15 to 0.35
Nickel (Ni), % 0 to 0.4
1.4 to 1.7
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.2 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0