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S32803 Stainless Steel vs. EN 1.4646 Stainless Steel

Both S32803 stainless steel and EN 1.4646 stainless steel are iron alloys. They have 85% 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 S32803 stainless steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
220
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 18
34
Fatigue Strength, MPa 350
340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 420
500
Tensile Strength: Ultimate (UTS), MPa 680
750
Tensile Strength: Yield (Proof), MPa 560
430

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 53
41
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 36
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 760
460
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 22
16

Alloy Composition

Carbon (C), % 0 to 0.015
0.020 to 0.1
Chromium (Cr), % 28 to 29
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 62.9 to 67.1
59 to 67.3
Manganese (Mn), % 0 to 0.5
10.5 to 12.5
Molybdenum (Mo), % 1.8 to 2.5
0 to 0.5
Nickel (Ni), % 3.0 to 4.0
3.5 to 4.5
Niobium (Nb), % 0.15 to 0.5
0
Nitrogen (N), % 0 to 0.020
0.2 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.050
Silicon (Si), % 0 to 0.55
0 to 1.0
Sulfur (S), % 0 to 0.0035
0 to 0.015