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EN 1.4021 Stainless Steel vs. EN 1.4823 Stainless Steel

Both EN 1.4021 stainless steel and EN 1.4823 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 EN 1.4823 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
3.4
Fatigue Strength, MPa 240 to 380
130
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 630 to 880
620
Tensile Strength: Yield (Proof), MPa 390 to 670
290

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 30
17
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
16
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 27
43
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 13
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
17
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
200
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 23 to 31
23
Strength to Weight: Bending, points 21 to 26
21
Thermal Diffusivity, mm2/s 8.1
4.5
Thermal Shock Resistance, points 22 to 31
17

Alloy Composition

Carbon (C), % 0.16 to 0.25
0.3 to 0.5
Chromium (Cr), % 12 to 14
25 to 28
Iron (Fe), % 83.2 to 87.8
60.9 to 70.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.0 to 6.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030