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AISI 201LN Stainless Steel vs. AISI 429 Stainless Steel

Both AISI 201LN stainless steel and AISI 429 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is AISI 429 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
25
Fatigue Strength, MPa 340 to 540
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 530 to 680
300
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
480
Tensile Strength: Yield (Proof), MPa 350 to 770
260

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 880
810
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.0
Embodied Energy, MJ/kg 38
28
Embodied Water, L/kg 140
110

Common Calculations

PREN (Pitting Resistance) 20
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
99
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
17
Strength to Weight: Bending, points 24 to 30
18
Thermal Diffusivity, mm2/s 4.0
6.9
Thermal Shock Resistance, points 16 to 23
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 16 to 17.5
14 to 16
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
81.8 to 86
Manganese (Mn), % 6.4 to 7.5
0 to 1.0
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 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030