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EN 1.4372 Stainless Steel vs. SAE-AISI 1118 Steel

Both EN 1.4372 stainless steel and SAE-AISI 1118 steel are iron alloys. They have 73% 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 1.4372 stainless steel and the bottom bar is SAE-AISI 1118 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 47
13
Fatigue Strength, MPa 330
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 560
300
Tensile Strength: Ultimate (UTS), MPa 790
490
Tensile Strength: Yield (Proof), MPa 350
410

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
61
Resilience: Unit (Modulus of Resilience), kJ/m3 320
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 17
15

Alloy Composition

Carbon (C), % 0 to 0.15
0.14 to 0.2
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 67.5 to 75
98 to 98.5
Manganese (Mn), % 5.5 to 7.5
1.3 to 1.6
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0.050 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13