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EN 1.7390 Steel vs. SAE-AISI 1026 Steel

Both EN 1.7390 steel and SAE-AISI 1026 steel are iron alloys. They have a moderately high 94% 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 1.7390 steel and the bottom bar is SAE-AISI 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
17 to 27
Fatigue Strength, MPa 310
200 to 310
Poisson's Ratio 0.29
0.29
Reduction in Area, % 50
45 to 55
Shear Modulus, GPa 74
73
Shear Strength, MPa 440
320 to 340
Tensile Strength: Ultimate (UTS), MPa 710
500 to 550
Tensile Strength: Yield (Proof), MPa 480
270 to 470

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 510
400
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
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.4
Embodied Energy, MJ/kg 23
18
Embodied Water, L/kg 69
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 600
200 to 580
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
18 to 20
Strength to Weight: Bending, points 23
18 to 19
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 20
16 to 18

Alloy Composition

Carbon (C), % 0 to 0.18
0.22 to 0.28
Chromium (Cr), % 4.0 to 6.0
0
Iron (Fe), % 91.9 to 95.3
98.7 to 99.18
Manganese (Mn), % 0.3 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0 to 0.050