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EN 1.8888 Steel vs. EN 1.7383 Steel

Both EN 1.8888 steel and EN 1.7383 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.8888 steel and the bottom bar is EN 1.7383 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
20 to 23
Fatigue Strength, MPa 470
210 to 270
Impact Strength: V-Notched Charpy, J 110
38
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 510
350 to 380
Tensile Strength: Ultimate (UTS), MPa 830
560 to 610
Tensile Strength: Yield (Proof), MPa 720
300 to 400

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 420
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 40
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.8
Embodied Energy, MJ/kg 26
23
Embodied Water, L/kg 54
59

Common Calculations

PREN (Pitting Resistance) 2.0
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
240 to 420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
20 to 22
Strength to Weight: Bending, points 25
19 to 20
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 24
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0.080 to 0.15
Chromium (Cr), % 0 to 1.5
2.0 to 2.5
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 91.9 to 100
94.3 to 96.6
Manganese (Mn), % 0 to 1.7
0.4 to 0.8
Molybdenum (Mo), % 0 to 0.7
0.9 to 1.1
Nickel (Ni), % 0 to 2.5
0 to 0.3
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0