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S21900 Stainless Steel vs. EN 1.4849 Stainless Steel

Both S21900 stainless steel and EN 1.4849 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S21900 stainless steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
4.5
Fatigue Strength, MPa 380
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 710
480
Tensile Strength: Yield (Proof), MPa 390
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 420
620
Maximum Temperature: Mechanical, °C 980
1020
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1350
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 15
42
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.0
7.1
Embodied Energy, MJ/kg 43
100
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 25
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
18
Resilience: Unit (Modulus of Resilience), kJ/m3 380
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 3.8
3.2
Thermal Shock Resistance, points 15
11

Alloy Composition

Carbon (C), % 0 to 0.080
0.3 to 0.5
Chromium (Cr), % 19 to 21.5
18 to 21
Iron (Fe), % 59.4 to 67.4
32.6 to 43.5
Manganese (Mn), % 8.0 to 10
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 5.5 to 7.5
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030