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ASTM Grade HF Steel vs. EN 1.8515 Steel

Both ASTM grade HF steel and EN 1.8515 steel are iron alloys. They have 71% 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 ASTM grade HF steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
11
Fatigue Strength, MPa 200
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 550
1130
Tensile Strength: Yield (Proof), MPa 270
940

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
470
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.6
Embodied Energy, MJ/kg 46
22
Embodied Water, L/kg 150
60

Common Calculations

PREN (Pitting Resistance) 21
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180
2310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
40
Strength to Weight: Bending, points 19
31
Thermal Diffusivity, mm2/s 4.2
11
Thermal Shock Resistance, points 12
33

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.28 to 0.35
Chromium (Cr), % 18 to 23
2.8 to 3.3
Iron (Fe), % 60 to 73.8
94.7 to 96.5
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.3 to 0.5
Nickel (Ni), % 8.0 to 12
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035