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ASTM Grade HD Steel vs. EN 1.8527 Steel

Both ASTM grade HD steel and EN 1.8527 steel are iron alloys. They have 70% 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 HD steel and the bottom bar is EN 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
16
Fatigue Strength, MPa 140
520
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 590
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 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 16
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 17
4.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.7
Embodied Energy, MJ/kg 45
23
Embodied Water, L/kg 180
66

Common Calculations

PREN (Pitting Resistance) 29
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 44
140
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1670
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 19
26

Alloy Composition

Carbon (C), % 0 to 0.5
0.040 to 0.12
Chromium (Cr), % 26 to 30
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 58.4 to 70
93.2 to 95.1
Manganese (Mn), % 0 to 1.5
0.85 to 1.2
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.6
Nickel (Ni), % 4.0 to 7.0
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