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EN 1.4854 Stainless Steel vs. SAE-AISI 8615 Steel

Both EN 1.4854 stainless steel and SAE-AISI 8615 steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4854 stainless steel and the bottom bar is SAE-AISI 8615 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
25
Fatigue Strength, MPa 310
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 520
310
Tensile Strength: Ultimate (UTS), MPa 750
480
Tensile Strength: Yield (Proof), MPa 340
310

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1170
410
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 11
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
1.5
Embodied Energy, MJ/kg 81
20
Embodied Water, L/kg 220
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 2.9
10
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.13 to 0.18
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 24 to 26
0.4 to 0.6
Iron (Fe), % 33.6 to 40.6
96.9 to 98.1
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 34 to 36
0.4 to 0.7
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.2 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040