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ASTM A209 Steel vs. AISI 316L Stainless Steel

Both ASTM A209 steel and AISI 316L stainless steel are iron alloys. 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 ASTM A209 steel and the bottom bar is AISI 316L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 150
170 to 350
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
9.0 to 50
Fatigue Strength, MPa 180 to 200
170 to 450
Poisson's Ratio 0.29
0.28
Rockwell B Hardness 77 to 81
80
Shear Modulus, GPa 73
78
Shear Strength, MPa 280 to 310
370 to 690
Tensile Strength: Ultimate (UTS), MPa 420 to 460
530 to 1160
Tensile Strength: Yield (Proof), MPa 220 to 250
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
870
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1420 to 1430
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1 to 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5
3.9
Embodied Energy, MJ/kg 20
53
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
77 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 170
93 to 1880
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 16
19 to 41
Strength to Weight: Bending, points 16 to 17
18 to 31
Thermal Diffusivity, mm2/s 13
4.1
Thermal Shock Resistance, points 12 to 14
12 to 25