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AISI 201 Stainless Steel vs. ASTM A209 Steel

Both AISI 201 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 (3, in this case) are not shown.

For each property being compared, the top bar is AISI 201 stainless steel and the bottom bar is ASTM A209 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 440
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.6 to 51
34
Fatigue Strength, MPa 280 to 600
180 to 200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 450 to 840
280 to 310
Tensile Strength: Ultimate (UTS), MPa 650 to 1450
420 to 460
Tensile Strength: Yield (Proof), MPa 300 to 1080
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
410
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1420 to 1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.1 to 8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 38
20
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 340
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
130 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 52
15 to 16
Strength to Weight: Bending, points 22 to 37
16 to 17
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 14 to 32
12 to 14