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SAE-AISI 1050 Steel vs. AISI 201LN Stainless Steel

Both SAE-AISI 1050 steel and AISI 201LN stainless steel are iron alloys. They have 71% of their average alloy composition in common. 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 SAE-AISI 1050 steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
25 to 51
Fatigue Strength, MPa 260 to 400
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 430 to 470
530 to 680
Tensile Strength: Ultimate (UTS), MPa 690 to 790
740 to 1060
Tensile Strength: Yield (Proof), MPa 390 to 650
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
880
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
38
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 100
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1130
310 to 1520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 28
27 to 38
Strength to Weight: Bending, points 22 to 24
24 to 30
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 22 to 25
16 to 23

Alloy Composition

Carbon (C), % 0.48 to 0.55
0 to 0.030
Chromium (Cr), % 0
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 98.5 to 98.9
67.9 to 73.5
Manganese (Mn), % 0.6 to 0.9
6.4 to 7.5
Nickel (Ni), % 0
4.0 to 5.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0 to 0.050
0 to 0.015