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AISI 305 Stainless Steel vs. EN 1.4439 Stainless Steel

Both AISI 305 stainless steel and EN 1.4439 stainless steel are iron alloys. They have a moderately high 93% 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 305 stainless steel and the bottom bar is EN 1.4439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 45
40
Fatigue Strength, MPa 210 to 280
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 400 to 470
470
Tensile Strength: Ultimate (UTS), MPa 580 to 710
680
Tensile Strength: Yield (Proof), MPa 230 to 350
310

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 540
980
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
4.5
Embodied Energy, MJ/kg 45
61
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 18
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 320
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
24
Strength to Weight: Bending, points 20 to 23
22
Thermal Diffusivity, mm2/s 4.2
3.8
Thermal Shock Resistance, points 13 to 15
15

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 17 to 19
16.5 to 18.5
Iron (Fe), % 65.1 to 72.5
58.7 to 66.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 10.5 to 13
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015