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ASTM Grade HK Steel vs. EN 1.5503 Steel

Both ASTM grade HK steel and EN 1.5503 steel are iron alloys. They have 52% 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 ASTM grade HK steel and the bottom bar is EN 1.5503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
12 to 17
Fatigue Strength, MPa 150
180 to 280
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 500
400 to 520
Tensile Strength: Yield (Proof), MPa 270
270 to 430

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
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
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.4
Embodied Energy, MJ/kg 63
18
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
41 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 190
200 to 490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
14 to 19
Strength to Weight: Bending, points 18
15 to 18
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 11
12 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.2 to 0.6
0.16 to 0.2
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 44.8 to 57.8
98.4 to 99.239
Manganese (Mn), % 0 to 2.0
0.6 to 0.8
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 18 to 22
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.025