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EN 1.0644 Steel vs. SAE-AISI 8617 Steel

Both EN 1.0644 steel and SAE-AISI 8617 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 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 1.0644 steel and the bottom bar is SAE-AISI 8617 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
25
Fatigue Strength, MPa 380
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 420
300
Tensile Strength: Ultimate (UTS), MPa 690
470
Tensile Strength: Yield (Proof), MPa 570
320

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
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 47
43
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 24
20
Embodied Water, L/kg 50
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 870
270
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 22
15

Alloy Composition

Aluminum (Al), % 0.010 to 0.050
0
Carbon (C), % 0.16 to 0.22
0.15 to 0.2
Chromium (Cr), % 0 to 0.3
0.4 to 0.6
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.1 to 98.4
96.9 to 98.1
Manganese (Mn), % 1.3 to 1.7
0.7 to 0.9
Molybdenum (Mo), % 0 to 0.080
0.15 to 0.25
Nickel (Ni), % 0 to 0.4
0.4 to 0.7
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.1 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0.080 to 0.15
0