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ACI-ASTM CB6 Steel vs. S32205 Stainless Steel

Both ACI-ASTM CB6 steel and S32205 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB6 steel and the bottom bar is S32205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
28
Fatigue Strength, MPa 410
370
Poisson's Ratio 0.28
0.27
Reduction in Area, % 40
51
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 880
740
Tensile Strength: Yield (Proof), MPa 660
510

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 870
1070
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
3.7
Embodied Energy, MJ/kg 36
50
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 17
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
630
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
26
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 31
20

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15.5 to 17.5
22 to 23
Iron (Fe), % 74.4 to 81
63.7 to 70.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 3.5
Nickel (Ni), % 3.5 to 5.5
4.5 to 6.5
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020