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AISI 314 Stainless Steel vs. ASTM A209 Steel

Both AISI 314 stainless steel and ASTM A209 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 314 stainless steel and the bottom bar is ASTM A209 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
34
Fatigue Strength, MPa 210
180 to 200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410
280 to 310
Tensile Strength: Ultimate (UTS), MPa 590
420 to 460
Tensile Strength: Yield (Proof), MPa 230
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1340
1420 to 1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.5
Embodied Energy, MJ/kg 62
20
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 130
130 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
15 to 16
Strength to Weight: Bending, points 20
16 to 17
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 14
12 to 14