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EN 1.4662 Stainless Steel vs. S21603 Stainless Steel

Both EN 1.4662 stainless steel and S21603 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4662 stainless steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
45
Fatigue Strength, MPa 430 to 450
360
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
79
Shear Strength, MPa 520 to 540
490
Tensile Strength: Ultimate (UTS), MPa 810 to 830
690
Tensile Strength: Yield (Proof), MPa 580 to 620
390

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1090
990
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 16
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.2
3.6
Embodied Energy, MJ/kg 45
50
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 33
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
270
Resilience: Unit (Modulus of Resilience), kJ/m3 840 to 940
380
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29 to 30
25
Strength to Weight: Bending, points 25
22
Thermal Shock Resistance, points 22
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 23 to 25
17.5 to 22
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 62.6 to 70.2
57.6 to 67.8
Manganese (Mn), % 2.5 to 4.0
7.5 to 9.0
Molybdenum (Mo), % 1.0 to 2.0
2.0 to 3.0
Nickel (Ni), % 3.0 to 4.5
5.0 to 7.0
Nitrogen (N), % 0.2 to 0.3
0.25 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 0.75
Sulfur (S), % 0 to 0.0050
0 to 0.030