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EN 1.4864 Stainless Steel vs. SAE-AISI 8630 Steel

Both EN 1.4864 stainless steel and SAE-AISI 8630 steel are iron alloys. They have 49% 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 1.4864 stainless steel and the bottom bar is SAE-AISI 8630 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 33
12 to 24
Fatigue Strength, MPa 200
260 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 430
340 to 410
Tensile Strength: Ultimate (UTS), MPa 650
540 to 680
Tensile Strength: Yield (Proof), MPa 260
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
39
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.6
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
1.5
Embodied Energy, MJ/kg 75
20
Embodied Water, L/kg 180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
340 to 840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
19 to 24
Strength to Weight: Bending, points 21
19 to 22
Thermal Diffusivity, mm2/s 3.3
10
Thermal Shock Resistance, points 17
18 to 23

Alloy Composition

Carbon (C), % 0 to 0.15
0.28 to 0.33
Chromium (Cr), % 15 to 17
0.4 to 0.6
Iron (Fe), % 41.7 to 51
96.8 to 97.9
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 33 to 37
0.4 to 0.7
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040