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EN 1.4650 Stainless Steel vs. AISI 403 Stainless Steel

Both EN 1.4650 stainless steel and AISI 403 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4650 stainless steel and the bottom bar is AISI 403 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 48
16 to 25
Fatigue Strength, MPa 230
200 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 440
340 to 480
Tensile Strength: Ultimate (UTS), MPa 620
530 to 780
Tensile Strength: Yield (Proof), MPa 240
280 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 970
740
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 16
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.9
Embodied Energy, MJ/kg 43
27
Embodied Water, L/kg 150
99

Common Calculations

PREN (Pitting Resistance) 20
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
210 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
19 to 28
Strength to Weight: Bending, points 21
19 to 24
Thermal Diffusivity, mm2/s 4.1
7.6
Thermal Shock Resistance, points 14
20 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 18.5 to 20
11.5 to 13
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 65.8 to 72.5
84.7 to 88.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 9.0 to 10
0 to 0.6
Nitrogen (N), % 0 to 0.080
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030