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EN 1.8871 Steel vs. EN 1.7375 Steel

Both EN 1.8871 steel and EN 1.7375 steel are iron alloys. They have a very high 97% 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 1.8871 steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
20
Fatigue Strength, MPa 320
270
Impact Strength: V-Notched Charpy, J 68
80
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 380
380
Tensile Strength: Ultimate (UTS), MPa 610
620
Tensile Strength: Yield (Proof), MPa 460
400

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.8
Embodied Energy, MJ/kg 22
23
Embodied Water, L/kg 50
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 550
420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 10
11
Thermal Shock Resistance, points 18
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0.1 to 0.15
Chromium (Cr), % 0 to 0.5
2.0 to 2.5
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 95.1 to 100
94.5 to 96.7
Manganese (Mn), % 0 to 1.7
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.1
Nickel (Ni), % 0 to 1.0
0 to 0.3
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.080
0
Zirconium (Zr), % 0 to 0.050
0