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EN 1.7376 Steel vs. EN 1.8503 Steel

Both EN 1.7376 steel and EN 1.8503 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a moderately high 91% 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 1.7376 steel and the bottom bar is EN 1.8503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
16
Fatigue Strength, MPa 320
600
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 710
1000
Tensile Strength: Yield (Proof), MPa 460
910

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
440
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
2.3
Embodied Energy, MJ/kg 29
33
Embodied Water, L/kg 88
57

Common Calculations

PREN (Pitting Resistance) 12
3.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
150
Resilience: Unit (Modulus of Resilience), kJ/m3 560
2200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
35
Strength to Weight: Bending, points 23
28
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 20
29

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.12 to 0.19
0.16 to 0.24
Chromium (Cr), % 8.0 to 10
1.2 to 1.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.2 to 90.6
95.8 to 97.5
Manganese (Mn), % 0.35 to 0.65
0.4 to 0.8
Molybdenum (Mo), % 0.9 to 1.2
0.65 to 0.8
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0 to 0.050
0.25 to 0.35