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EN 1.4590 Stainless Steel vs. SAE-AISI 1043 Steel

Both EN 1.4590 stainless steel and SAE-AISI 1043 steel are iron alloys. They have 82% 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 EN 1.4590 stainless steel and the bottom bar is SAE-AISI 1043 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 26
13 to 18
Fatigue Strength, MPa 190
230 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 310
400 to 430
Tensile Strength: Ultimate (UTS), MPa 480
650 to 710
Tensile Strength: Yield (Proof), MPa 270
350 to 600

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 37
18
Embodied Water, L/kg 120
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
320 to 980
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
23 to 25
Strength to Weight: Bending, points 18
21 to 22
Thermal Diffusivity, mm2/s 7.0
14
Thermal Shock Resistance, points 17
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0.4 to 0.47
Chromium (Cr), % 16 to 17.5
0
Iron (Fe), % 79.7 to 83.7
98.4 to 98.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Niobium (Nb), % 0.35 to 0.55
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Zirconium (Zr), % 0 to 0.15
0