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AISI 440C Stainless Steel vs. EN 1.7383 Steel

Both AISI 440C stainless steel and EN 1.7383 steel are iron alloys. They have 84% 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 AISI 440C stainless steel and the bottom bar is EN 1.7383 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.0 to 14
20 to 23
Fatigue Strength, MPa 260 to 840
210 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 430 to 1120
350 to 380
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
560 to 610
Tensile Strength: Yield (Proof), MPa 450 to 1900
300 to 400

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 870
460
Melting Completion (Liquidus), °C 1480
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 22
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
3.9
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.8
Embodied Energy, MJ/kg 31
23
Embodied Water, L/kg 120
59

Common Calculations

PREN (Pitting Resistance) 18
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
110
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 71
20 to 22
Strength to Weight: Bending, points 23 to 46
19 to 20
Thermal Diffusivity, mm2/s 6.0
11
Thermal Shock Resistance, points 26 to 71
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 1.0 to 1.2
0.080 to 0.15
Chromium (Cr), % 16 to 18
2.0 to 2.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 78 to 83.1
94.3 to 96.6
Manganese (Mn), % 0 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010