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EN 1.3555 Steel vs. EN 1.6570 Steel

Both EN 1.3555 steel and EN 1.6570 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 (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 EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
270 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 770
910 to 1130

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 540
440
Melting Completion (Liquidus), °C 1500
1460
Melting Onset (Solidus), °C 1450
1420
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
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 5.6
1.7
Embodied Energy, MJ/kg 81
23
Embodied Water, L/kg 90
56

Common Calculations

PREN (Pitting Resistance) 18
2.5
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27
32 to 40
Strength to Weight: Bending, points 23
27 to 31
Thermal Shock Resistance, points 22
27 to 33

Alloy Composition

Carbon (C), % 0.1 to 0.15
0.28 to 0.35
Chromium (Cr), % 3.9 to 4.3
1.0 to 1.4
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 85.4 to 87.7
94 to 96.2
Manganese (Mn), % 0.15 to 0.35
0.6 to 1.0
Molybdenum (Mo), % 4.0 to 4.5
0.3 to 0.5
Nickel (Ni), % 3.2 to 3.6
1.6 to 2.1
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0.1 to 0.25
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0