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EN 1.4658 Stainless Steel vs. S20433 Stainless Steel

Both EN 1.4658 stainless steel and S20433 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 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 1.4658 stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
46
Fatigue Strength, MPa 530
250
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 580
440
Tensile Strength: Ultimate (UTS), MPa 900
630
Tensile Strength: Yield (Proof), MPa 730
270

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.5
2.7
Embodied Energy, MJ/kg 61
39
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 49
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
230
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
23
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 24
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 26 to 29
17 to 18
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
1.5 to 3.5
Iron (Fe), % 50.9 to 63.7
64.1 to 72.4
Manganese (Mn), % 0 to 1.5
5.5 to 7.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 5.5 to 9.5
3.5 to 5.5
Nitrogen (N), % 0.3 to 0.5
0.1 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030