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ASTM A209 Steel vs. AISI 205 Stainless Steel

Both ASTM A209 steel and AISI 205 stainless steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A209 steel and the bottom bar is AISI 205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 150
210 to 440
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
11 to 51
Fatigue Strength, MPa 180 to 200
410 to 640
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 280 to 310
560 to 850
Tensile Strength: Ultimate (UTS), MPa 420 to 460
800 to 1430
Tensile Strength: Yield (Proof), MPa 220 to 250
450 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
880
Melting Completion (Liquidus), °C 1470
1380
Melting Onset (Solidus), °C 1420 to 1430
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
11
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 20
37
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
150 to 430
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 170
510 to 3060
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 15 to 16
29 to 52
Strength to Weight: Bending, points 16 to 17
25 to 37
Thermal Shock Resistance, points 12 to 14
16 to 29