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EN 1.4482 Stainless Steel vs. SAE-AISI 8655 Steel

Both EN 1.4482 stainless steel and SAE-AISI 8655 steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 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 EN 1.4482 stainless steel and the bottom bar is SAE-AISI 8655 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
23
Fatigue Strength, MPa 420 to 450
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 510 to 530
390
Tensile Strength: Ultimate (UTS), MPa 770 to 800
620
Tensile Strength: Yield (Proof), MPa 530 to 570
410

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 38
20
Embodied Water, L/kg 150
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 250
130
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 820
440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 29
22
Strength to Weight: Bending, points 24 to 25
21
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 21 to 22
18

Alloy Composition

Carbon (C), % 0 to 0.030
0.51 to 0.59
Chromium (Cr), % 19.5 to 21.5
0.4 to 0.6
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.1 to 74.9
96.4 to 97.6
Manganese (Mn), % 4.0 to 6.0
0.75 to 1.0
Molybdenum (Mo), % 0.1 to 0.6
0.15 to 0.25
Nickel (Ni), % 1.5 to 3.5
0.4 to 0.7
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040