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EN 1.7366 Steel vs. EN 1.6553 Steel

Both EN 1.7366 steel and EN 1.6553 steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.6553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
210 to 240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
19 to 21
Fatigue Strength, MPa 160 to 320
330 to 460
Impact Strength: V-Notched Charpy, J 38
30
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 460 to 710
710 to 800
Tensile Strength: Yield (Proof), MPa 230 to 480
470 to 670

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
420
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
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
2.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.6
Embodied Energy, MJ/kg 23
21
Embodied Water, L/kg 69
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
600 to 1190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
25 to 28
Strength to Weight: Bending, points 17 to 23
23 to 24
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 13 to 20
21 to 23

Alloy Composition

Carbon (C), % 0 to 0.18
0.23 to 0.28
Chromium (Cr), % 4.0 to 6.0
0.4 to 0.8
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 91.9 to 95.3
95.6 to 98.2
Manganese (Mn), % 0.3 to 0.8
0.6 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
0.15 to 0.3
Nickel (Ni), % 0
0.4 to 0.8
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025
Vanadium (V), % 0
0 to 0.030

Comparable Variants