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ACI-ASTM CA6N Steel vs. AISI 205 Stainless Steel

Both ACI-ASTM CA6N steel and AISI 205 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 27 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 ACI-ASTM CA6N steel and the bottom bar is AISI 205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
11 to 51
Fatigue Strength, MPa 640
410 to 640
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 1080
800 to 1430
Tensile Strength: Yield (Proof), MPa 1060
450 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 740
880
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 9.9
18

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.5
2.6
Embodied Energy, MJ/kg 35
37
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 12
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
150 to 430
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
510 to 3060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 38
29 to 52
Strength to Weight: Bending, points 30
25 to 37
Thermal Shock Resistance, points 40
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.060
0.12 to 0.25
Chromium (Cr), % 10.5 to 12.5
16.5 to 18.5
Iron (Fe), % 77.9 to 83.5
62.6 to 68.1
Manganese (Mn), % 0 to 0.5
14 to 15.5
Nickel (Ni), % 6.0 to 8.0
1.0 to 1.7
Nitrogen (N), % 0
0.32 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030