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Annealed AISI 205 vs. Annealed AISI 440C

Both annealed AISI 205 and annealed AISI 440C are iron alloys. Both are furnished in the annealed condition. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is annealed AISI 205 and the bottom bar is annealed AISI 440C.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
14
Fatigue Strength, MPa 410
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 560
430
Tensile Strength: Ultimate (UTS), MPa 800
710
Tensile Strength: Yield (Proof), MPa 450
450

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 880
870
Melting Completion (Liquidus), °C 1380
1480
Melting Onset (Solidus), °C 1340
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 37
31
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 23
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
88
Resilience: Unit (Modulus of Resilience), kJ/m3 510
520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29
26
Strength to Weight: Bending, points 25
23
Thermal Shock Resistance, points 16
26

Alloy Composition

Carbon (C), % 0.12 to 0.25
1.0 to 1.2
Chromium (Cr), % 16.5 to 18.5
16 to 18
Iron (Fe), % 62.6 to 68.1
78 to 83.1
Manganese (Mn), % 14 to 15.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 1.0 to 1.7
0
Nitrogen (N), % 0.32 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015