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EN 1.7383 Steel vs. EN 1.7390 Steel

Both EN 1.7383 steel and EN 1.7390 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 33 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 1.7383 steel and the bottom bar is EN 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 23
16
Fatigue Strength, MPa 210 to 270
310
Impact Strength: V-Notched Charpy, J 38
46
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 350 to 380
440
Tensile Strength: Ultimate (UTS), MPa 560 to 610
710
Tensile Strength: Yield (Proof), MPa 300 to 400
480

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 460
510
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
4.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.7
Embodied Energy, MJ/kg 23
23
Embodied Water, L/kg 59
69

Common Calculations

PREN (Pitting Resistance) 5.6
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 420
600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 22
25
Strength to Weight: Bending, points 19 to 20
23
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 16 to 18
20

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0 to 0.18
Chromium (Cr), % 2.0 to 2.5
4.0 to 6.0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.3 to 96.6
91.9 to 95.3
Manganese (Mn), % 0.4 to 0.8
0.3 to 0.8
Molybdenum (Mo), % 0.9 to 1.1
0.45 to 0.65
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.015