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S64512 Stainless Steel vs. ACI-ASTM CB6 Steel

Both S64512 stainless steel and ACI-ASTM CB6 steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have a moderately high 93% 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 S64512 stainless steel and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
18
Fatigue Strength, MPa 540
410
Poisson's Ratio 0.28
0.28
Reduction in Area, % 34
40
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 1140
880
Tensile Strength: Yield (Proof), MPa 890
660

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 750
870
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 28
17
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.5
Embodied Energy, MJ/kg 47
36
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 18
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
150
Resilience: Unit (Modulus of Resilience), kJ/m3 2020
1110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 40
32
Strength to Weight: Bending, points 31
26
Thermal Diffusivity, mm2/s 7.5
4.6
Thermal Shock Resistance, points 42
31

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.060
Chromium (Cr), % 11 to 12.5
15.5 to 17.5
Iron (Fe), % 80.6 to 84.7
74.4 to 81
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0 to 0.5
Nickel (Ni), % 2.0 to 3.0
3.5 to 5.5
Nitrogen (N), % 0.010 to 0.050
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0