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EN 1.7233 Steel vs. EN 1.4658 Stainless Steel

Both EN 1.7233 steel and EN 1.4658 stainless steel are iron alloys. They have 60% 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 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 290
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 18 to 23
28
Fatigue Strength, MPa 270 to 530
530
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 450 to 590
580
Tensile Strength: Ultimate (UTS), MPa 700 to 960
900
Tensile Strength: Yield (Proof), MPa 380 to 780
730

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1100
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
16
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
4.5
Embodied Energy, MJ/kg 21
61
Embodied Water, L/kg 53
200

Common Calculations

PREN (Pitting Resistance) 3.3
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
240
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1630
1280
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 34
32
Strength to Weight: Bending, points 22 to 28
26
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 21 to 28
24

Alloy Composition

Carbon (C), % 0.39 to 0.45
0 to 0.030
Chromium (Cr), % 1.2 to 1.5
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 96.2 to 97.5
50.9 to 63.7
Manganese (Mn), % 0.4 to 0.7
0 to 1.5
Molybdenum (Mo), % 0.5 to 0.7
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.010