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S21603 Stainless Steel vs. EN 1.4031 Stainless Steel

Both S21603 stainless steel and EN 1.4031 stainless steel are iron alloys. They have 77% 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 S21603 stainless steel and the bottom bar is EN 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
11 to 13
Fatigue Strength, MPa 360
220 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 490
400 to 540
Tensile Strength: Ultimate (UTS), MPa 690
670 to 900
Tensile Strength: Yield (Proof), MPa 390
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 990
770
Melting Completion (Liquidus), °C 1420
1440
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
7.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.6
1.9
Embodied Energy, MJ/kg 50
27
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 34
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 380
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24 to 32
Strength to Weight: Bending, points 22
22 to 27
Thermal Shock Resistance, points 15
23 to 32

Alloy Composition

Carbon (C), % 0 to 0.030
0.36 to 0.42
Chromium (Cr), % 17.5 to 22
12.5 to 14.5
Iron (Fe), % 57.6 to 67.8
83 to 87.1
Manganese (Mn), % 7.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015