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EN 1.7383 Steel vs. AISI 440C Stainless Steel

Both EN 1.7383 steel and AISI 440C stainless 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 EN 1.7383 steel and the bottom bar is AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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