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EN 1.4736 Stainless Steel vs. SAE-AISI 1023 Steel

Both EN 1.4736 stainless steel and SAE-AISI 1023 steel are iron alloys. They have 80% 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 EN 1.4736 stainless steel and the bottom bar is SAE-AISI 1023 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
17 to 29
Fatigue Strength, MPa 230
180 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 370
280 to 300
Tensile Strength: Ultimate (UTS), MPa 580
430 to 480
Tensile Strength: Yield (Proof), MPa 310
240 to 410

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 21
53
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 35
18
Embodied Water, L/kg 140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
150 to 450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
15 to 17
Strength to Weight: Bending, points 20
16 to 17
Thermal Diffusivity, mm2/s 5.6
14
Thermal Shock Resistance, points 21
14 to 15

Alloy Composition

Aluminum (Al), % 1.7 to 2.1
0
Carbon (C), % 0 to 0.040
0.2 to 0.25
Chromium (Cr), % 17 to 18
0
Iron (Fe), % 77 to 81.1
99.06 to 99.5
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
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
Titanium (Ti), % 0.2 to 0.8
0