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Annealed AISI 201LN vs. Annealed SAE-AISI H43

Both annealed AISI 201LN and annealed SAE-AISI H43 are iron alloys. Both are furnished in the annealed condition. They have 75% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is annealed AISI 201LN and the bottom bar is annealed SAE-AISI H43.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 740
710

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1410
1530
Melting Onset (Solidus), °C 1370
1480
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
14
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
8.2
Embodied Energy, MJ/kg 38
120
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 20
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 4.0
8.3
Thermal Shock Resistance, points 16
21

Alloy Composition

Carbon (C), % 0 to 0.030
0.5 to 0.65
Chromium (Cr), % 16 to 17.5
3.8 to 4.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
83.2 to 85.9
Manganese (Mn), % 6.4 to 7.5
0.15 to 0.4
Molybdenum (Mo), % 0
7.8 to 8.5
Nickel (Ni), % 4.0 to 5.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0.2 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
1.8 to 2.2