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EN 1.4507 Stainless Steel vs. AISI 303Se Stainless Steel

Both EN 1.4507 stainless steel and AISI 303Se stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4507 stainless steel and the bottom bar is AISI 303Se stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
45
Fatigue Strength, MPa 410
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 530
410
Tensile Strength: Ultimate (UTS), MPa 840
590
Tensile Strength: Yield (Proof), MPa 590
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 21
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
3.0
Embodied Energy, MJ/kg 55
42
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 41
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
210
Resilience: Unit (Modulus of Resilience), kJ/m3 850
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 23
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 24 to 26
17 to 19
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 56.4 to 65.8
67.2 to 74.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.0
8.0 to 10
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.2
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.060