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EN 1.4422 Stainless Steel vs. EN 1.7233 Steel

Both EN 1.4422 stainless steel and EN 1.7233 steel are iron alloys. They have 83% 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 1.4422 stainless steel and the bottom bar is EN 1.7233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
18 to 23
Fatigue Strength, MPa 380
270 to 530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 520
450 to 590
Tensile Strength: Ultimate (UTS), MPa 850
700 to 960
Tensile Strength: Yield (Proof), MPa 630
380 to 780

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.6
Embodied Energy, MJ/kg 37
21
Embodied Water, L/kg 110
53

Common Calculations

PREN (Pitting Resistance) 17
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
380 to 1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
25 to 34
Strength to Weight: Bending, points 25
22 to 28
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 31
21 to 28

Alloy Composition

Carbon (C), % 0 to 0.020
0.39 to 0.45
Chromium (Cr), % 11 to 13
1.2 to 1.5
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 76.8 to 83.5
96.2 to 97.5
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 1.3 to 1.8
0.5 to 0.7
Nickel (Ni), % 4.0 to 5.0
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.0030
0 to 0.035