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EN 1.4460 Stainless Steel vs. AISI 309 Stainless Steel

Both EN 1.4460 stainless steel and AISI 309 stainless steel are iron alloys. They have a moderately high 92% 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 1.4460 stainless steel and the bottom bar is AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
34 to 47
Fatigue Strength, MPa 330
250 to 280
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
78
Shear Strength, MPa 470
420 to 470
Tensile Strength: Ultimate (UTS), MPa 750
600 to 710
Tensile Strength: Yield (Proof), MPa 510
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
15

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 18
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.6
Embodied Energy, MJ/kg 48
51
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 34
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 640
170 to 310
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21 to 25
Strength to Weight: Bending, points 24
20 to 23
Thermal Diffusivity, mm2/s 4.0
4.3
Thermal Shock Resistance, points 20
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.2
Chromium (Cr), % 25 to 28
22 to 24
Iron (Fe), % 60.2 to 69.2
58 to 66
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.3 to 2.0
0
Nickel (Ni), % 4.5 to 6.5
12 to 15
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030