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AISI 303 Stainless Steel vs. EN 1.4659 Stainless Steel

Both AISI 303 stainless steel and EN 1.4659 stainless steel are iron alloys. They have 69% 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 AISI 303 stainless steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40 to 51
49
Fatigue Strength, MPa 230 to 360
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 430 to 470
640
Tensile Strength: Ultimate (UTS), MPa 600 to 690
900
Tensile Strength: Yield (Proof), MPa 230 to 420
480

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.0
6.5
Embodied Energy, MJ/kg 42
89
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 18
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
370
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
31
Strength to Weight: Bending, points 20 to 22
25
Thermal Diffusivity, mm2/s 4.4
3.2
Thermal Shock Resistance, points 13 to 15
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 17 to 19
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 67.3 to 74.9
35.7 to 45.7
Manganese (Mn), % 0 to 2.0
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 8.0 to 10
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.2
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0.15 to 0.35
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5