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EN 1.8201 Steel vs. EN 1.3551 Steel

Both EN 1.8201 steel and EN 1.3551 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.8201 steel and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 630
720

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 450
530
Melting Completion (Liquidus), °C 1500
1490
Melting Onset (Solidus), °C 1450
1450
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
36
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.5
4.9
Embodied Energy, MJ/kg 36
71
Embodied Water, L/kg 59
82

Common Calculations

PREN (Pitting Resistance) 5.7
18
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 11
9.8
Thermal Shock Resistance, points 18
21

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0.77 to 0.85
Chromium (Cr), % 1.9 to 2.6
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 93.6 to 96.2
88.8 to 91.1
Manganese (Mn), % 0.1 to 0.6
0.15 to 0.35
Molybdenum (Mo), % 0.050 to 0.3
4.0 to 4.5
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0 to 0.25
Vanadium (V), % 0.2 to 0.3
0.9 to 1.1