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EN 1.4835 Stainless Steel vs. S21800 Stainless Steel

Both EN 1.4835 stainless steel and S21800 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 43
40
Fatigue Strength, MPa 310
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 520
510
Tensile Strength: Ultimate (UTS), MPa 750
740
Tensile Strength: Yield (Proof), MPa 350
390

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1150
900
Melting Completion (Liquidus), °C 1400
1360
Melting Onset (Solidus), °C 1360
1310
Specific Heat Capacity, J/kg-K 490
500
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
15
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 3.3
3.1
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 24
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
250
Resilience: Unit (Modulus of Resilience), kJ/m3 310
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 27
27
Strength to Weight: Bending, points 24
24
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0.050 to 0.12
0 to 0.1
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
16 to 18
Iron (Fe), % 62 to 68.4
59.1 to 65.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Nickel (Ni), % 10 to 12
8.0 to 9.0
Nitrogen (N), % 0.12 to 0.2
0.080 to 0.18
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 1.4 to 2.5
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030