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EN 1.3555 Steel vs. ASTM Grade HT Steel

Both EN 1.3555 steel and ASTM grade HT steel are iron alloys. They have 53% 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 HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 770
500

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 540
1010
Melting Completion (Liquidus), °C 1500
1390
Melting Onset (Solidus), °C 1450
1340
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 5.6
5.4
Embodied Energy, MJ/kg 81
76
Embodied Water, L/kg 90
190

Common Calculations

PREN (Pitting Resistance) 18
18
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 23
18
Thermal Shock Resistance, points 22
12

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.35 to 0.75
Chromium (Cr), % 3.9 to 4.3
15 to 19
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 85.4 to 87.7
38.2 to 51.7
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
33 to 37
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0.1 to 0.25
0 to 2.5
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