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EN 1.7233 Steel vs. EN 1.4508 Stainless Steel

Both EN 1.7233 steel and EN 1.4508 stainless steel are iron alloys. They have 68% 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 1.7233 steel and the bottom bar is EN 1.4508 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 23
34
Fatigue Strength, MPa 270 to 530
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 700 to 960
570
Tensile Strength: Yield (Proof), MPa 380 to 780
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1000
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.0
Embodied Energy, MJ/kg 21
55
Embodied Water, L/kg 53
160

Common Calculations

PREN (Pitting Resistance) 3.3
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
160
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1630
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 34
20
Strength to Weight: Bending, points 22 to 28
19
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 21 to 28
17

Alloy Composition

Carbon (C), % 0.39 to 0.45
0 to 0.030
Chromium (Cr), % 1.2 to 1.5
18 to 20
Iron (Fe), % 96.2 to 97.5
61.2 to 69.9
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.5 to 0.7
3.0 to 3.5
Nickel (Ni), % 0
9.0 to 12
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.5
Sulfur (S), % 0 to 0.035
0 to 0.030