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EN 1.3555 Steel vs. EN 1.7767 Steel

Both EN 1.3555 steel and EN 1.7767 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.3555 steel and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 770
670 to 690

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 540
480
Melting Completion (Liquidus), °C 1500
1470
Melting Onset (Solidus), °C 1450
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
4.5
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.6
2.4
Embodied Energy, MJ/kg 81
33
Embodied Water, L/kg 90
64

Common Calculations

PREN (Pitting Resistance) 18
6.4
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 22
19 to 20

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.1 to 0.15
Chromium (Cr), % 3.9 to 4.3
2.8 to 3.3
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 85.4 to 87.7
93.8 to 95.8
Manganese (Mn), % 0.15 to 0.35
0.3 to 0.6
Molybdenum (Mo), % 4.0 to 4.5
0.9 to 1.1
Nickel (Ni), % 3.2 to 3.6
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0.1 to 0.25
0 to 0.15
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0.2 to 0.3