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EN 1.7233 Steel vs. EN 1.4408 Stainless Steel

Both EN 1.7233 steel and EN 1.4408 stainless steel are iron alloys. They have 69% 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 1.7233 steel and the bottom bar is EN 1.4408 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 290
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 23
34
Fatigue Strength, MPa 270 to 530
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 700 to 960
510
Tensile Strength: Yield (Proof), MPa 380 to 780
210

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
990
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
16

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
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.7
Embodied Energy, MJ/kg 21
52
Embodied Water, L/kg 53
150

Common Calculations

PREN (Pitting Resistance) 3.3
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
140
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1630
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 34
18
Strength to Weight: Bending, points 22 to 28
18
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 21 to 28
11

Alloy Composition

Carbon (C), % 0.39 to 0.45
0 to 0.070
Chromium (Cr), % 1.2 to 1.5
18 to 20
Iron (Fe), % 96.2 to 97.5
62.4 to 71
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.5 to 0.7
2.0 to 2.5
Nickel (Ni), % 0
9.0 to 12
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