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EN 1.4031 Stainless Steel vs. S21603 Stainless Steel

Both EN 1.4031 stainless steel and S21603 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 EN 1.4031 stainless steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 770
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
3.6
Embodied Energy, MJ/kg 27
50
Embodied Water, L/kg 100
160

Common Calculations

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

Alloy Composition

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