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AISI 309 Stainless Steel vs. EN 1.4980 Stainless Steel

Both AISI 309 stainless steel and EN 1.4980 stainless steel are iron alloys. They have 84% 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 309 stainless steel and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 47
17
Fatigue Strength, MPa 250 to 280
410
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
75
Shear Strength, MPa 420 to 470
630
Tensile Strength: Ultimate (UTS), MPa 600 to 710
1030
Tensile Strength: Yield (Proof), MPa 260 to 350
680

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
780
Maximum Temperature: Mechanical, °C 980
920
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
6.0
Embodied Energy, MJ/kg 51
87
Embodied Water, L/kg 170
170

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
150
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
1180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
36
Strength to Weight: Bending, points 20 to 23
28
Thermal Diffusivity, mm2/s 4.3
3.5
Thermal Shock Resistance, points 14 to 16
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.2
0.030 to 0.080
Chromium (Cr), % 22 to 24
13.5 to 16
Iron (Fe), % 58 to 66
49.2 to 58.5
Manganese (Mn), % 0 to 2.0
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 12 to 15
24 to 27
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5