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EN 1.4017 Stainless Steel vs. SAE-AISI 4419 Steel

Both EN 1.4017 stainless steel and SAE-AISI 4419 steel are iron alloys. Both are furnished in the annealed condition. They have 81% 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 1.4017 stainless steel and the bottom bar is SAE-AISI 4419 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14
23
Fatigue Strength, MPa 220
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 350
310
Tensile Strength: Ultimate (UTS), MPa 580
490
Tensile Strength: Yield (Proof), MPa 390
270

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
410
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
50
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 31
20
Embodied Water, L/kg 120
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
97
Resilience: Unit (Modulus of Resilience), kJ/m3 380
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 8.1
13
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0 to 0.080
0.18 to 0.23
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 78.3 to 82.8
98.1 to 98.8
Manganese (Mn), % 0 to 1.0
0.45 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 1.2 to 1.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040