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EN 1.4571 Stainless Steel vs. S21603 Stainless Steel

Both EN 1.4571 stainless steel and S21603 stainless steel are iron alloys. They have 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 1.4571 stainless steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
45
Fatigue Strength, MPa 200 to 330
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 410 to 550
490
Tensile Strength: Ultimate (UTS), MPa 600 to 900
690
Tensile Strength: Yield (Proof), MPa 230 to 570
390

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 480
420
Maximum Temperature: Mechanical, °C 950
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
3.6
Embodied Energy, MJ/kg 54
50
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 25
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
270
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
25
Strength to Weight: Bending, points 20 to 26
22
Thermal Shock Resistance, points 13 to 20
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
17.5 to 22
Iron (Fe), % 61.7 to 71
57.6 to 67.8
Manganese (Mn), % 0 to 2.0
7.5 to 9.0
Molybdenum (Mo), % 2.0 to 2.5
2.0 to 3.0
Nickel (Ni), % 10.5 to 13.5
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.7
0