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EN 1.4021 Stainless Steel vs. S82441 Stainless Steel

Both EN 1.4021 stainless steel and S82441 stainless steel are iron alloys. They have 81% 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 EN 1.4021 stainless steel and the bottom bar is S82441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
28
Fatigue Strength, MPa 240 to 380
400
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Shear Strength, MPa 390 to 530
490
Tensile Strength: Ultimate (UTS), MPa 630 to 880
760
Tensile Strength: Yield (Proof), MPa 390 to 670
550

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 760
1090
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.2
Embodied Energy, MJ/kg 27
45
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 13
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
740
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 31
27
Strength to Weight: Bending, points 21 to 26
24
Thermal Diffusivity, mm2/s 8.1
3.9
Thermal Shock Resistance, points 22 to 31
21

Alloy Composition

Carbon (C), % 0.16 to 0.25
0 to 0.030
Chromium (Cr), % 12 to 14
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 83.2 to 87.8
62.6 to 70.2
Manganese (Mn), % 0 to 1.5
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.0050