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EN 1.4630 Stainless Steel vs. AISI 403 Stainless Steel

Both EN 1.4630 stainless steel and AISI 403 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 32 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 1.4630 stainless steel and the bottom bar is AISI 403 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
16 to 25
Fatigue Strength, MPa 170
200 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 300
340 to 480
Tensile Strength: Ultimate (UTS), MPa 480
530 to 780
Tensile Strength: Yield (Proof), MPa 250
280 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 520
390
Maximum Temperature: Mechanical, °C 800
740
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 28
28
Thermal Expansion, µm/m-K 10
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.9
Embodied Energy, MJ/kg 36
27
Embodied Water, L/kg 120
99

Common Calculations

PREN (Pitting Resistance) 15
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
210 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
19 to 28
Strength to Weight: Bending, points 18
19 to 24
Thermal Diffusivity, mm2/s 7.5
7.6
Thermal Shock Resistance, points 17
20 to 29

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 13 to 16
11.5 to 13
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 77.1 to 86.7
84.7 to 88.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.6
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0.2 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0