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EN 1.4886 Stainless Steel vs. SAE-AISI 4419 Steel

Both EN 1.4886 stainless steel and SAE-AISI 4419 steel are iron alloys. They have 45% 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 1.4886 stainless steel and the bottom bar is SAE-AISI 4419 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
23
Fatigue Strength, MPa 280
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 400
310
Tensile Strength: Ultimate (UTS), MPa 580
490
Tensile Strength: Yield (Proof), MPa 300
270

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1390
1470
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
50
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.4
1.5
Embodied Energy, MJ/kg 76
20
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
97
Resilience: Unit (Modulus of Resilience), kJ/m3 230
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 3.1
13
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.15
0.18 to 0.23
Chromium (Cr), % 17 to 20
0
Iron (Fe), % 38.7 to 49
98.1 to 98.8
Manganese (Mn), % 0 to 2.0
0.45 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 33 to 37
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.030
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