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EN 1.7383 Steel vs. AISI 446 Stainless Steel

Both EN 1.7383 steel and AISI 446 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7383 steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 23
23
Fatigue Strength, MPa 210 to 270
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
79
Shear Strength, MPa 350 to 380
360
Tensile Strength: Ultimate (UTS), MPa 560 to 610
570
Tensile Strength: Yield (Proof), MPa 300 to 400
300

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 460
1180
Melting Completion (Liquidus), °C 1470
1510
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 39
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.4
Embodied Energy, MJ/kg 23
35
Embodied Water, L/kg 59
150

Common Calculations

PREN (Pitting Resistance) 5.6
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 420
230
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 20 to 22
21
Strength to Weight: Bending, points 19 to 20
20
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 16 to 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0 to 0.2
Chromium (Cr), % 2.0 to 2.5
23 to 27
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.3 to 96.6
69.2 to 77
Manganese (Mn), % 0.4 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.3
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030