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EN 1.7779 Steel vs. SAE-AISI 1005 Steel

Both EN 1.7779 steel and SAE-AISI 1005 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 31 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 1.7779 steel and the bottom bar is SAE-AISI 1005 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
95
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
23
Fatigue Strength, MPa 430
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 500
210
Tensile Strength: Ultimate (UTS), MPa 810
330
Tensile Strength: Yield (Proof), MPa 660
260

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 470
400
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 39
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 41
18
Embodied Water, L/kg 64
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
70
Resilience: Unit (Modulus of Resilience), kJ/m3 1150
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
12
Strength to Weight: Bending, points 25
13
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 23
10

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.17 to 0.23
0 to 0.060
Chromium (Cr), % 3.0 to 3.3
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 93.8 to 95.4
99.5 to 100
Manganese (Mn), % 0.3 to 0.5
0 to 0.35
Molybdenum (Mo), % 0.5 to 0.6
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.010
0 to 0.050
Vanadium (V), % 0.45 to 0.55
0