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EN 1.4469 Stainless Steel vs. SAE-AISI 4028 Steel

Both EN 1.4469 stainless steel and SAE-AISI 4028 steel are iron alloys. They have 62% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4469 stainless steel and the bottom bar is SAE-AISI 4028 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 25
14 to 23
Fatigue Strength, MPa 380
180 to 330
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 740
490 to 630
Tensile Strength: Yield (Proof), MPa 550
260 to 520

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.5
Embodied Energy, MJ/kg 57
19
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
81 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 730
180 to 720
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
17 to 22
Strength to Weight: Bending, points 23
18 to 21
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 20
16 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0.25 to 0.3
Chromium (Cr), % 25 to 27
0
Copper (Cu), % 0 to 1.3
0
Iron (Fe), % 56.4 to 65.9
98.1 to 98.7
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 3.0 to 5.0
0.2 to 0.3
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.12 to 0.22
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 0.025
0.035 to 0.050