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EN 1.8515 Steel vs. ASTM Grade HK Steel

Both EN 1.8515 steel and ASTM grade HK steel are iron alloys. They have 56% 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 1.8515 steel and the bottom bar is ASTM grade HK steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
11
Fatigue Strength, MPa 580
150
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
79
Tensile Strength: Ultimate (UTS), MPa 1130
500
Tensile Strength: Yield (Proof), MPa 940
270

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 470
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
4.4
Embodied Energy, MJ/kg 22
63
Embodied Water, L/kg 60
200

Common Calculations

PREN (Pitting Resistance) 4.4
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
48
Resilience: Unit (Modulus of Resilience), kJ/m3 2310
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
18
Strength to Weight: Bending, points 31
18
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 33
11

Alloy Composition

Carbon (C), % 0.28 to 0.35
0.2 to 0.6
Chromium (Cr), % 2.8 to 3.3
24 to 28
Iron (Fe), % 94.7 to 96.5
44.8 to 57.8
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.3 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 0.3
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