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EN 1.3555 Steel vs. ACI-ASTM CH20 Steel

Both EN 1.3555 steel and ACI-ASTM CH20 steel are iron alloys. They have 69% 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 ACI-ASTM CH20 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
78
Tensile Strength: Ultimate (UTS), MPa 770
610

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 540
1100
Melting Completion (Liquidus), °C 1500
1410
Melting Onset (Solidus), °C 1450
1430
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.6
3.7
Embodied Energy, MJ/kg 81
53
Embodied Water, L/kg 90
180

Common Calculations

PREN (Pitting Resistance) 18
25
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 22
15

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.2
Chromium (Cr), % 3.9 to 4.3
22 to 26
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 85.4 to 87.7
54.7 to 66
Manganese (Mn), % 0.15 to 0.35
0 to 1.5
Molybdenum (Mo), % 4.0 to 4.5
0 to 0.5
Nickel (Ni), % 3.2 to 3.6
12 to 15
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