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AISI 309 Stainless Steel vs. EN 1.4922 Stainless Steel

Both AISI 309 stainless steel and EN 1.4922 stainless steel are iron alloys. They have 75% 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 1.4922 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 47
16
Fatigue Strength, MPa 250 to 280
330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 420 to 470
470
Tensile Strength: Ultimate (UTS), MPa 600 to 710
770
Tensile Strength: Yield (Proof), MPa 260 to 350
550

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 440
380
Maximum Temperature: Mechanical, °C 980
720
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
24
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
2.8
Embodied Energy, MJ/kg 51
40
Embodied Water, L/kg 170
100

Common Calculations

PREN (Pitting Resistance) 23
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
770
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
27
Strength to Weight: Bending, points 20 to 23
24
Thermal Diffusivity, mm2/s 4.3
6.5
Thermal Shock Resistance, points 14 to 16
27

Alloy Composition

Carbon (C), % 0 to 0.2
0.17 to 0.23
Chromium (Cr), % 22 to 24
10 to 12.5
Iron (Fe), % 58 to 66
83.5 to 88.2
Manganese (Mn), % 0 to 2.0
0.3 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 12 to 15
0.3 to 0.8
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.2 to 0.35