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EN 1.3555 Steel vs. ASTM Grade HE Steel

Both EN 1.3555 steel and ASTM grade HE steel are iron alloys. They have 68% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3555 steel and the bottom bar is ASTM grade HE steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 770
670

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 540
1100
Melting Completion (Liquidus), °C 1500
1400
Melting Onset (Solidus), °C 1450
1360
Specific Heat Capacity, J/kg-K 460
490
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.6
3.5
Embodied Energy, MJ/kg 81
50
Embodied Water, L/kg 90
190

Common Calculations

PREN (Pitting Resistance) 18
29
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 22
14

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.2 to 0.5
Chromium (Cr), % 3.9 to 4.3
26 to 30
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 85.4 to 87.7
53.9 to 65.8
Manganese (Mn), % 0.15 to 0.35
0 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
0 to 0.5
Nickel (Ni), % 3.2 to 3.6
8.0 to 11
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.1 to 0.25
0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.040
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0