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EN 1.4986 Stainless Steel vs. S20433 Stainless Steel

Both EN 1.4986 stainless steel and S20433 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4986 stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
46
Fatigue Strength, MPa 350
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 460
440
Tensile Strength: Ultimate (UTS), MPa 750
630
Tensile Strength: Yield (Proof), MPa 560
270

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 520
410
Maximum Temperature: Mechanical, °C 940
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 15
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.7
Embodied Energy, MJ/kg 67
39
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 22
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
230
Resilience: Unit (Modulus of Resilience), kJ/m3 790
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 16
14

Alloy Composition

Boron (B), % 0.050 to 0.1
0
Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 15.5 to 17.5
17 to 18
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 59.4 to 66.6
64.1 to 72.4
Manganese (Mn), % 0 to 1.5
5.5 to 7.5
Molybdenum (Mo), % 1.6 to 2.0
0
Nickel (Ni), % 15.5 to 17.5
3.5 to 5.5
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030