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EN 1.6579 Steel vs. ASTM Grade HC Steel

Both EN 1.6579 steel and ASTM grade HC steel are iron alloys. They have 72% of their average alloy composition in common. There are 30 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 1.6579 steel and the bottom bar is ASTM grade HC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
6.0
Fatigue Strength, MPa 380 to 570
96
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 850 to 980
430
Tensile Strength: Yield (Proof), MPa 600 to 910
200

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 39
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
14
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 22
40
Embodied Water, L/kg 56
170

Common Calculations

PREN (Pitting Resistance) 2.4
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 120
21
Resilience: Unit (Modulus of Resilience), kJ/m3 950 to 2210
95
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 30 to 35
16
Strength to Weight: Bending, points 25 to 28
16
Thermal Diffusivity, mm2/s 11
4.5
Thermal Shock Resistance, points 25 to 29
14

Alloy Composition

Carbon (C), % 0.32 to 0.38
0 to 0.5
Chromium (Cr), % 1.4 to 1.7
26 to 30
Iron (Fe), % 94.2 to 96.1
61.9 to 74
Manganese (Mn), % 0.6 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.35
0 to 0.5
Nickel (Ni), % 1.4 to 1.7
0 to 4.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040