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AISI 201LN Stainless Steel vs. SAE-AISI 1137 Steel

Both AISI 201LN stainless steel and SAE-AISI 1137 steel are iron alloys. They have 72% 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 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25 to 51
11 to 17
Fatigue Strength, MPa 340 to 540
250 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530 to 680
430 to 460
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
700 to 760
Tensile Strength: Yield (Proof), MPa 350 to 770
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 140
48

Common Calculations

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

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.39
Chromium (Cr), % 16 to 17.5
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
97.8 to 98.3
Manganese (Mn), % 6.4 to 7.5
1.4 to 1.7
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
0.080 to 0.13