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EN 1.4841 Stainless Steel vs. S21900 Stainless Steel

Both EN 1.4841 stainless steel and S21900 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 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 1.4841 stainless steel and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 32
50
Fatigue Strength, MPa 200
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 430
510
Tensile Strength: Ultimate (UTS), MPa 650
710
Tensile Strength: Yield (Proof), MPa 260
390

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1150
980
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1340
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.3
3.0
Embodied Energy, MJ/kg 62
43
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 26
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
300
Resilience: Unit (Modulus of Resilience), kJ/m3 170
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 4.0
3.8
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.080
Chromium (Cr), % 24 to 26
19 to 21.5
Iron (Fe), % 47.1 to 55.5
59.4 to 67.4
Manganese (Mn), % 0 to 2.0
8.0 to 10
Nickel (Ni), % 19 to 22
5.5 to 7.5
Nitrogen (N), % 0 to 0.1
0.15 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030