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SAE-AISI 4028 Steel vs. EN 1.4415 Stainless Steel

Both SAE-AISI 4028 steel and EN 1.4415 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4028 steel and the bottom bar is EN 1.4415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 23
17 to 20
Fatigue Strength, MPa 180 to 330
470 to 510
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 310 to 380
520 to 570
Tensile Strength: Ultimate (UTS), MPa 490 to 630
830 to 930
Tensile Strength: Yield (Proof), MPa 260 to 520
730 to 840

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
790
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
19
Thermal Expansion, µm/m-K 12
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
13
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
3.6
Embodied Energy, MJ/kg 19
51
Embodied Water, L/kg 47
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 95
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 720
1350 to 1790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 22
29 to 33
Strength to Weight: Bending, points 18 to 21
25 to 27
Thermal Diffusivity, mm2/s 13
5.1
Thermal Shock Resistance, points 16 to 20
30 to 34

Alloy Composition

Carbon (C), % 0.25 to 0.3
0 to 0.030
Chromium (Cr), % 0
11.5 to 13.5
Iron (Fe), % 98.1 to 98.7
75.9 to 82.4
Manganese (Mn), % 0.7 to 0.9
0 to 0.5
Molybdenum (Mo), % 0.2 to 0.3
1.5 to 2.5
Nickel (Ni), % 0
4.5 to 6.5
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0.035 to 0.050
0 to 0.015
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.1 to 0.5

Comparable Variants