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AISI 201LN Stainless Steel vs. SAE-AISI 1012 Steel

Both AISI 201LN stainless steel and SAE-AISI 1012 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 AISI 201LN stainless steel and the bottom bar is SAE-AISI 1012 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25 to 51
21 to 31
Fatigue Strength, MPa 340 to 540
150 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530 to 680
230 to 250
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
360 to 400
Tensile Strength: Yield (Proof), MPa 350 to 770
200 to 330

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
400
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
18
Embodied Water, L/kg 140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
80 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
110 to 300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 38
13 to 14
Strength to Weight: Bending, points 24 to 30
14 to 15
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 16 to 23
11 to 13

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.15
Chromium (Cr), % 16 to 17.5
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
99.16 to 99.6
Manganese (Mn), % 6.4 to 7.5
0.3 to 0.6
Nickel (Ni), % 4.0 to 5.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.015
0 to 0.050