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SAE-AISI 8627 Steel vs. EN 1.4841 Stainless Steel

Both SAE-AISI 8627 steel and EN 1.4841 stainless steel are iron alloys. They have 54% 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 SAE-AISI 8627 steel and the bottom bar is EN 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
32
Fatigue Strength, MPa 230
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 320
430
Tensile Strength: Ultimate (UTS), MPa 500
650
Tensile Strength: Yield (Proof), MPa 330
260

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 410
1150
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 38
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.3
Embodied Energy, MJ/kg 20
62
Embodied Water, L/kg 50
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
170
Resilience: Unit (Modulus of Resilience), kJ/m3 280
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 10
4.0
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0.25 to 0.3
0 to 0.2
Chromium (Cr), % 0.4 to 0.6
24 to 26
Iron (Fe), % 96.8 to 98
47.1 to 55.5
Manganese (Mn), % 0.7 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
19 to 22
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
1.5 to 2.5
Sulfur (S), % 0 to 0.040
0 to 0.015