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EN 1.8507 Steel vs. ASTM Grade HK Steel

Both EN 1.8507 steel and ASTM grade HK steel are iron alloys. They have 54% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.8507 steel and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
11
Fatigue Strength, MPa 440
150
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
79
Tensile Strength: Ultimate (UTS), MPa 900
500
Tensile Strength: Yield (Proof), MPa 670
270

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
4.4
Embodied Energy, MJ/kg 21
63
Embodied Water, L/kg 63
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
48
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 27
18
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 26
11

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0.2 to 0.6
Chromium (Cr), % 1.0 to 1.3
24 to 28
Iron (Fe), % 96.1 to 97.7
44.8 to 57.8
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.5
Nickel (Ni), % 0
18 to 22
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