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EN 1.4646 Stainless Steel vs. S32803 Stainless Steel

Both EN 1.4646 stainless steel and S32803 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 EN 1.4646 stainless steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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