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ACI-ASTM CB6 Steel vs. AISI 405 Stainless Steel

Both ACI-ASTM CB6 steel and AISI 405 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB6 steel and the bottom bar is AISI 405 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
22
Fatigue Strength, MPa 410
130
Poisson's Ratio 0.28
0.28
Reduction in Area, % 40
51
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 880
470
Tensile Strength: Yield (Proof), MPa 660
200

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 870
820
Melting Completion (Liquidus), °C 1440
1530
Melting Onset (Solidus), °C 1390
1480
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
30
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.0
Embodied Energy, MJ/kg 36
28
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 17
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
84
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 4.6
8.1
Thermal Shock Resistance, points 31
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.3
Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 15.5 to 17.5
11.5 to 14.5
Iron (Fe), % 74.4 to 81
82.5 to 88.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 5.5
0 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030