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EN 1.5535 Steel vs. EN 1.7390 Steel

Both EN 1.5535 steel and EN 1.7390 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 32 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 1.5535 steel and the bottom bar is EN 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 22
16
Fatigue Strength, MPa 210 to 320
310
Poisson's Ratio 0.29
0.29
Reduction in Area, % 62 to 72
50
Shear Modulus, GPa 73
74
Shear Strength, MPa 320 to 370
440
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
710
Tensile Strength: Yield (Proof), MPa 300 to 500
480

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
510
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 50
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 19
23
Embodied Water, L/kg 48
69

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 250
100
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 680
600
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 53
25
Strength to Weight: Bending, points 17 to 37
23
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 13 to 44
20

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0 to 0.18
Chromium (Cr), % 0 to 0.3
4.0 to 6.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.6 to 98.9
91.9 to 95.3
Manganese (Mn), % 0.9 to 1.2
0.3 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.015