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SAE-AISI 8627 Steel vs. EN 1.4466 Stainless Steel

Both SAE-AISI 8627 steel and EN 1.4466 stainless steel are iron alloys. They have 52% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8627 steel and the bottom bar is EN 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
42
Fatigue Strength, MPa 230
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 320
440
Tensile Strength: Ultimate (UTS), MPa 500
640
Tensile Strength: Yield (Proof), MPa 330
280

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 38
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
5.0
Embodied Energy, MJ/kg 20
70
Embodied Water, L/kg 50
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 280
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 10
3.7
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0.25 to 0.3
0 to 0.020
Chromium (Cr), % 0.4 to 0.6
24 to 26
Iron (Fe), % 96.8 to 98
45.6 to 52.9
Manganese (Mn), % 0.7 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
2.0 to 2.5
Nickel (Ni), % 0.4 to 0.7
21 to 23
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.010