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S21603 Stainless Steel vs. EN 1.4008 Stainless Steel

Both S21603 stainless steel and EN 1.4008 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is EN 1.4008 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
17
Fatigue Strength, MPa 360
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 690
670
Tensile Strength: Yield (Proof), MPa 390
500

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 990
760
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 17
8.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
2.1
Embodied Energy, MJ/kg 50
30
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 34
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
100
Resilience: Unit (Modulus of Resilience), kJ/m3 380
630
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 15
23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 17.5 to 22
12 to 13.5
Iron (Fe), % 57.6 to 67.8
81.8 to 86.8
Manganese (Mn), % 7.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.2 to 0.5
Nickel (Ni), % 5.0 to 7.0
1.0 to 2.0
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025