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SAE-AISI 8617 Steel vs. EN 1.4805 Stainless Steel

Both SAE-AISI 8617 steel and EN 1.4805 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8617 steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
9.0
Fatigue Strength, MPa 230
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 470
490
Tensile Strength: Yield (Proof), MPa 320
250

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
1000
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
4.7
Embodied Energy, MJ/kg 20
66
Embodied Water, L/kg 50
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
37
Resilience: Unit (Modulus of Resilience), kJ/m3 270
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 15
11

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.2 to 0.5
Chromium (Cr), % 0.4 to 0.6
19 to 23
Iron (Fe), % 96.9 to 98.1
44.9 to 56.8
Manganese (Mn), % 0.7 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.5
Nickel (Ni), % 0.4 to 0.7
23 to 27
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
1.0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.030