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EN 1.7390 Steel vs. EN 1.7361 Steel

Both EN 1.7390 steel and EN 1.7361 steel are iron alloys. They have a very high 98% 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 1.7390 steel and the bottom bar is EN 1.7361 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
11
Fatigue Strength, MPa 310
480
Impact Strength: V-Notched Charpy, J 46
31
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 440
600
Tensile Strength: Ultimate (UTS), MPa 710
1010
Tensile Strength: Yield (Proof), MPa 480
780

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
470
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
41
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 4.3
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.7
Embodied Energy, MJ/kg 23
22
Embodied Water, L/kg 69
60

Common Calculations

PREN (Pitting Resistance) 6.8
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 600
1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
36
Strength to Weight: Bending, points 23
29
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 20
29

Alloy Composition

Carbon (C), % 0 to 0.18
0.28 to 0.35
Chromium (Cr), % 4.0 to 6.0
2.8 to 3.3
Iron (Fe), % 91.9 to 95.3
94.1 to 96.2
Manganese (Mn), % 0.3 to 0.8
0.4 to 0.7
Molybdenum (Mo), % 0.45 to 0.65
0.3 to 0.5
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035