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EN 1.7233 Steel vs. AISI 440C Stainless Steel

Both EN 1.7233 steel and AISI 440C stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 30 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 1.7233 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, % 18 to 23
2.0 to 14
Fatigue Strength, MPa 270 to 530
260 to 840
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 450 to 590
430 to 1120
Tensile Strength: Ultimate (UTS), MPa 700 to 960
710 to 1970
Tensile Strength: Yield (Proof), MPa 380 to 780
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 430
870
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
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 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.2
Embodied Energy, MJ/kg 21
31
Embodied Water, L/kg 53
120

Common Calculations

PREN (Pitting Resistance) 3.3
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
39 to 88
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 34
26 to 71
Strength to Weight: Bending, points 22 to 28
23 to 46
Thermal Diffusivity, mm2/s 11
6.0
Thermal Shock Resistance, points 21 to 28
26 to 71

Alloy Composition

Carbon (C), % 0.39 to 0.45
1.0 to 1.2
Chromium (Cr), % 1.2 to 1.5
16 to 18
Iron (Fe), % 96.2 to 97.5
78 to 83.1
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.5 to 0.7
0 to 0.75
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015

Comparable Variants