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EN 1.7366 Steel vs. EN 1.8838 Steel

Both EN 1.7366 steel and EN 1.8838 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 1.8838 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
19
Fatigue Strength, MPa 160 to 320
290
Impact Strength: V-Notched Charpy, J 38
58
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 290 to 440
380
Tensile Strength: Ultimate (UTS), MPa 460 to 710
610
Tensile Strength: Yield (Proof), MPa 230 to 480
430

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
410
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
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.7
Embodied Energy, MJ/kg 23
23
Embodied Water, L/kg 69
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
21
Strength to Weight: Bending, points 17 to 23
20
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 13 to 20
18

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.054
Carbon (C), % 0 to 0.18
0 to 0.18
Chromium (Cr), % 4.0 to 6.0
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 91.9 to 95.3
95 to 99.985
Manganese (Mn), % 0.3 to 0.8
0 to 1.8
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.23
Nickel (Ni), % 0
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.14