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AISI 309 Stainless Steel vs. EN 1.0308 Steel

Both AISI 309 stainless steel and EN 1.0308 steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 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 1.0308 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 47
7.8 to 28
Fatigue Strength, MPa 250 to 280
140 to 200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 420 to 470
230 to 260
Tensile Strength: Ultimate (UTS), MPa 600 to 710
360 to 440
Tensile Strength: Yield (Proof), MPa 260 to 350
190 to 340

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
18
Embodied Water, L/kg 170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 230
32 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
93 to 300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
13 to 16
Strength to Weight: Bending, points 20 to 23
14 to 16
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 14 to 16
11 to 14

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.17
Chromium (Cr), % 22 to 24
0
Iron (Fe), % 58 to 66
98.2 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.2
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.045

Comparable Variants