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ACI-ASTM CA6NM Steel vs. N08367 Stainless Steel

Both ACI-ASTM CA6NM steel and N08367 stainless steel are iron alloys. They have 64% 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 N08367 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
34
Fatigue Strength, MPa 380
280
Poisson's Ratio 0.28
0.28
Reduction in Area, % 40
56
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 850
740
Tensile Strength: Yield (Proof), MPa 620
350

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 390
430
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
460
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.5
6.2
Embodied Energy, MJ/kg 34
84
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 15
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
25
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 31
17

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 11.5 to 14
20 to 22
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 78.4 to 84.6
41.4 to 50.3
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.4 to 1.0
6.0 to 7.0
Nickel (Ni), % 3.5 to 4.5
23.5 to 25.5
Nitrogen (N), % 0
0.18 to 0.25
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