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EN 1.4518 Stainless Steel vs. SAE-AISI 1132 Steel

Both EN 1.4518 stainless steel and SAE-AISI 1132 steel are iron alloys. They have 67% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4518 stainless steel and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
14 to 18
Fatigue Strength, MPa 160
240 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 490
640 to 720
Tensile Strength: Yield (Proof), MPa 210
350 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.4
Embodied Energy, MJ/kg 55
19
Embodied Water, L/kg 160
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 100
330 to 940
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 23
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 14
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0.24 to 0.34
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 61.4 to 70
97.8 to 98.3
Manganese (Mn), % 0 to 1.5
1.4 to 1.7
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13