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EN 1.4835 Stainless Steel vs. S21900 Stainless Steel

Both EN 1.4835 stainless steel and S21900 stainless steel are iron alloys. They have a moderately high 91% 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 1.4835 stainless steel and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 43
50
Fatigue Strength, MPa 310
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 520
510
Tensile Strength: Ultimate (UTS), MPa 750
710
Tensile Strength: Yield (Proof), MPa 350
390

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1150
980
Melting Completion (Liquidus), °C 1400
1400
Melting Onset (Solidus), °C 1360
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
15
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 24
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
300
Resilience: Unit (Modulus of Resilience), kJ/m3 310
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 4.0
3.8
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0.050 to 0.12
0 to 0.080
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
19 to 21.5
Iron (Fe), % 62 to 68.4
59.4 to 67.4
Manganese (Mn), % 0 to 1.0
8.0 to 10
Nickel (Ni), % 10 to 12
5.5 to 7.5
Nitrogen (N), % 0.12 to 0.2
0.15 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.4 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030