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EN 1.8505 Steel vs. ASTM Grade HF Steel

Both EN 1.8505 steel and ASTM grade HF steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 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 1.8505 steel and the bottom bar is ASTM grade HF steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 320
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13
29
Fatigue Strength, MPa 540
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 1050
550
Tensile Strength: Yield (Proof), MPa 860
270

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1000
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 39
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
3.2
Embodied Energy, MJ/kg 22
46
Embodied Water, L/kg 65
150

Common Calculations

PREN (Pitting Resistance) 2.6
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1950
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 37
20
Strength to Weight: Bending, points 30
19
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 31
12

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.28 to 0.35
0.2 to 0.4
Chromium (Cr), % 1.5 to 1.8
18 to 23
Iron (Fe), % 95.4 to 97.1
60 to 73.8
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.4
0 to 0.5
Nickel (Ni), % 0
8.0 to 12
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 2.0
Sulfur (S), % 0 to 0.035
0 to 0.040