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ACI-ASTM CD6MN Steel vs. AISI 205 Stainless Steel

Both ACI-ASTM CD6MN steel and AISI 205 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD6MN steel and the bottom bar is AISI 205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
11 to 51
Fatigue Strength, MPa 370
410 to 640
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 730
800 to 1430
Tensile Strength: Yield (Proof), MPa 510
450 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 17
11
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.4
2.6
Embodied Energy, MJ/kg 48
37
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 36
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
150 to 430
Resilience: Unit (Modulus of Resilience), kJ/m3 650
510 to 3060
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 26
29 to 52
Strength to Weight: Bending, points 23
25 to 37
Thermal Shock Resistance, points 20
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.060
0.12 to 0.25
Chromium (Cr), % 24 to 27
16.5 to 18.5
Iron (Fe), % 62.1 to 70.1
62.6 to 68.1
Manganese (Mn), % 0 to 1.0
14 to 15.5
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 4.0 to 6.0
1.0 to 1.7
Nitrogen (N), % 0.15 to 0.25
0.32 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030