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S21900 Stainless Steel vs. EN 1.4835 Stainless Steel

Both S21900 stainless steel and EN 1.4835 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 S21900 stainless steel and the bottom bar is EN 1.4835 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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