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AISI 316LN Stainless Steel vs. ASTM A203 Steel

Both AISI 316LN stainless steel and ASTM A203 steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 316LN stainless steel and the bottom bar is ASTM A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
22 to 26
Fatigue Strength, MPa 200
210 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
73
Shear Strength, MPa 410
330 to 370
Tensile Strength: Ultimate (UTS), MPa 590
520 to 590
Tensile Strength: Yield (Proof), MPa 230
290 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.5 to 8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.2 to 4.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.8
1.6 to 1.7
Embodied Energy, MJ/kg 53
21 to 23
Embodied Water, L/kg 150
50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 130
230 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
18 to 21
Strength to Weight: Bending, points 20
18 to 20
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 13
15 to 17