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EN 1.7386 Steel vs. EN 1.8837 Steel

Both EN 1.7386 steel and EN 1.8837 steel are iron alloys. They have 90% 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 1.7386 steel and the bottom bar is EN 1.8837 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
19
Fatigue Strength, MPa 170 to 290
340
Impact Strength: V-Notched Charpy, J 38
90
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 340 to 410
390
Tensile Strength: Ultimate (UTS), MPa 550 to 670
630
Tensile Strength: Yield (Proof), MPa 240 to 440
490

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 28
21
Embodied Water, L/kg 88
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 24
22
Strength to Weight: Bending, points 19 to 22
21
Thermal Diffusivity, mm2/s 6.9
13
Thermal Shock Resistance, points 15 to 18
18

Alloy Composition

Aluminum (Al), % 0 to 0.040
0.020 to 0.040
Carbon (C), % 0.080 to 0.15
0 to 0.16
Chromium (Cr), % 8.0 to 10
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.8 to 90.5
96.6 to 99.98
Manganese (Mn), % 0.3 to 0.6
0 to 1.7
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.25 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.1