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S21603 Stainless Steel vs. EN 1.4821 Stainless Steel

Both S21603 stainless steel and EN 1.4821 stainless steel are iron alloys. They have 88% 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 S21603 stainless steel and the bottom bar is EN 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
18
Fatigue Strength, MPa 360
280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
79
Shear Strength, MPa 490
450
Tensile Strength: Ultimate (UTS), MPa 690
730
Tensile Strength: Yield (Proof), MPa 390
450

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
15
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 50
41
Embodied Water, L/kg 160
160

Common Calculations

PREN (Pitting Resistance) 34
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
110
Resilience: Unit (Modulus of Resilience), kJ/m3 380
500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.2
Chromium (Cr), % 17.5 to 22
24.5 to 26.5
Iron (Fe), % 57.6 to 67.8
64.2 to 71.1
Manganese (Mn), % 7.5 to 9.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
3.5 to 5.5
Nitrogen (N), % 0.25 to 0.5
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0.8 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015