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AISI 201LN Stainless Steel vs. AWS ER80S-Ni2

Both AISI 201LN stainless steel and AWS ER80S-Ni2 are iron alloys. They have 74% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is AWS ER80S-Ni2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25 to 51
27
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
620
Tensile Strength: Yield (Proof), MPa 350 to 770
540

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 38
22
Embodied Water, L/kg 140
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
160
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
770
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 38
22
Strength to Weight: Bending, points 24 to 30
21
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 16 to 23
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 16 to 17.5
0
Copper (Cu), % 0 to 1.0
0 to 0.35
Iron (Fe), % 67.9 to 73.5
94.2 to 97.6
Manganese (Mn), % 6.4 to 7.5
0 to 1.3
Nickel (Ni), % 4.0 to 5.0
2.0 to 2.8
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.4 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025
Residuals, % 0
0 to 0.5