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ACI-ASTM CA6NM Steel vs. S32760 Stainless Steel

Both ACI-ASTM CA6NM steel and S32760 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is S32760 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
28
Fatigue Strength, MPa 380
450
Poisson's Ratio 0.28
0.27
Reduction in Area, % 40
51
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 850
850
Tensile Strength: Yield (Proof), MPa 620
620

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
4.1
Embodied Energy, MJ/kg 34
57
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 15
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
30
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 31
23

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 11.5 to 14
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 78.4 to 84.6
57.6 to 65.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
3.0 to 4.0
Nickel (Ni), % 3.5 to 4.5
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.3
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 0.010
Tungsten (W), % 0
0.5 to 1.0