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ASTM Grade HE Steel vs. EN 1.8880 Steel

Both ASTM grade HE steel and EN 1.8880 steel are iron alloys. They have 63% 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 HE steel and the bottom bar is EN 1.8880 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 10
16
Fatigue Strength, MPa 160
470
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 670
830
Tensile Strength: Yield (Proof), MPa 310
720

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.7
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.9
Embodied Energy, MJ/kg 50
26
Embodied Water, L/kg 190
54

Common Calculations

PREN (Pitting Resistance) 29
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
130
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1370
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 3.6
11
Thermal Shock Resistance, points 14
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0.2 to 0.5
0 to 0.2
Chromium (Cr), % 26 to 30
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 53.9 to 65.8
91.9 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.7
Nickel (Ni), % 8.0 to 11
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.8
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15