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EN 1.7366 Steel vs. EN 1.5521 Steel

Both EN 1.7366 steel and EN 1.5521 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7366 steel and the bottom bar is EN 1.5521 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
11 to 21
Fatigue Strength, MPa 160 to 320
210 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 290 to 440
310 to 360
Tensile Strength: Ultimate (UTS), MPa 460 to 710
430 to 1390
Tensile Strength: Yield (Proof), MPa 230 to 480
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 23
19
Embodied Water, L/kg 69
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
250 to 630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
15 to 49
Strength to Weight: Bending, points 17 to 23
16 to 35
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 13 to 20
13 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.18
0.16 to 0.2
Chromium (Cr), % 4.0 to 6.0
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 91.9 to 95.3
98 to 98.9
Manganese (Mn), % 0.3 to 0.8
0.9 to 1.2
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025