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AISI 303 Stainless Steel vs. EN 1.4552 Stainless Steel

Both AISI 303 stainless steel and EN 1.4552 stainless steel are iron alloys. They have a very high 97% 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 AISI 303 stainless steel and the bottom bar is EN 1.4552 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40 to 51
29
Fatigue Strength, MPa 230 to 360
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 600 to 690
510
Tensile Strength: Yield (Proof), MPa 230 to 420
200

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
490
Maximum Temperature: Mechanical, °C 930
960
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 42
52
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
18
Strength to Weight: Bending, points 20 to 22
18
Thermal Diffusivity, mm2/s 4.4
4.1
Thermal Shock Resistance, points 13 to 15
11

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.070
Chromium (Cr), % 17 to 19
18 to 20
Iron (Fe), % 67.3 to 74.9
63.9 to 73
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 8.0 to 10
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.2
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0.15 to 0.35
0 to 0.030