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ASTM Grade HK Steel vs. EN 1.8527 Steel

Both ASTM grade HK steel and EN 1.8527 steel are iron alloys. They have 57% 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 HK steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
16
Fatigue Strength, MPa 150
520
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 500
900
Tensile Strength: Yield (Proof), MPa 270
800

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
490
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.7
Embodied Energy, MJ/kg 63
23
Embodied Water, L/kg 200
66

Common Calculations

PREN (Pitting Resistance) 27
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
140
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 11
26

Alloy Composition

Carbon (C), % 0.2 to 0.6
0.040 to 0.12
Chromium (Cr), % 24 to 28
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 44.8 to 57.8
93.2 to 95.1
Manganese (Mn), % 0 to 2.0
0.85 to 1.2
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.6
Nickel (Ni), % 18 to 22
0
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