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AISI 205 Stainless Steel vs. ACI-ASTM CD3MN Steel

Both AISI 205 stainless steel and ACI-ASTM CD3MN steel are iron alloys. They have 86% 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 AISI 205 stainless steel and the bottom bar is ACI-ASTM CD3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 51
29
Fatigue Strength, MPa 410 to 640
340
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
710
Tensile Strength: Yield (Proof), MPa 450 to 1100
460

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 880
1060
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
18
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.6
Embodied Energy, MJ/kg 37
50
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 23
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
180
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29 to 52
25
Strength to Weight: Bending, points 25 to 37
23
Thermal Shock Resistance, points 16 to 29
20

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
21 to 23.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 62.6 to 68.1
62.6 to 71.9
Manganese (Mn), % 14 to 15.5
0 to 1.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 1.0 to 1.7
4.5 to 6.5
Nitrogen (N), % 0.32 to 0.4
0.1 to 0.3
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 0.020