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S20433 Stainless Steel vs. EN 1.4021 Stainless Steel

Both S20433 stainless steel and EN 1.4021 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 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 S20433 stainless steel and the bottom bar is EN 1.4021 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
11 to 17
Fatigue Strength, MPa 250
240 to 380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 440
390 to 530
Tensile Strength: Ultimate (UTS), MPa 630
630 to 880
Tensile Strength: Yield (Proof), MPa 270
390 to 670

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 900
760
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 39
27
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 20
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 180
400 to 1160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
23 to 31
Strength to Weight: Bending, points 21
21 to 26
Thermal Diffusivity, mm2/s 4.0
8.1
Thermal Shock Resistance, points 14
22 to 31

Alloy Composition

Carbon (C), % 0 to 0.080
0.16 to 0.25
Chromium (Cr), % 17 to 18
12 to 14
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 64.1 to 72.4
83.2 to 87.8
Manganese (Mn), % 5.5 to 7.5
0 to 1.5
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015