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EN 1.4615 Stainless Steel vs. AISI 303 Stainless Steel

Both EN 1.4615 stainless steel and AISI 303 stainless steel are iron alloys. They have 90% 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 1.4615 stainless steel and the bottom bar is AISI 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 50
40 to 51
Fatigue Strength, MPa 190
230 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 360
430 to 470
Tensile Strength: Ultimate (UTS), MPa 500
600 to 690
Tensile Strength: Yield (Proof), MPa 200
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 840
930
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 40
42
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 17
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
240
Resilience: Unit (Modulus of Resilience), kJ/m3 99
140 to 440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
21 to 25
Strength to Weight: Bending, points 18
20 to 22
Thermal Diffusivity, mm2/s 4.1
4.4
Thermal Shock Resistance, points 11
13 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 14 to 16
17 to 19
Copper (Cu), % 2.0 to 4.0
0
Iron (Fe), % 63.1 to 72.5
67.3 to 74.9
Manganese (Mn), % 7.0 to 9.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 4.5 to 6.0
8.0 to 10
Nitrogen (N), % 0.020 to 0.060
0
Phosphorus (P), % 0 to 0.040
0 to 0.2
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0.15 to 0.35