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SAE-AISI 4419 Steel vs. S31060 Stainless Steel

Both SAE-AISI 4419 steel and S31060 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% of their average alloy composition in common. There are 31 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 SAE-AISI 4419 steel and the bottom bar is S31060 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
46
Fatigue Strength, MPa 190
290
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Shear Strength, MPa 310
480
Tensile Strength: Ultimate (UTS), MPa 490
680
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
1080
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 20
48
Embodied Water, L/kg 47
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97
260
Resilience: Unit (Modulus of Resilience), kJ/m3 190
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 14
15

Alloy Composition

Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.18 to 0.23
0.050 to 0.1
Cerium (Ce), % 0
0 to 0.070
Chromium (Cr), % 0
22 to 24
Iron (Fe), % 98.1 to 98.8
61.4 to 67.8
Lanthanum (La), % 0
0 to 0.070
Manganese (Mn), % 0.45 to 0.65
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0
10 to 12.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.030