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AISI 310S Stainless Steel vs. ACI-ASTM CK3MCuN Steel

Both AISI 310S stainless steel and ACI-ASTM CK3MCuN 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 (1, in this case) are not shown.

For each property being compared, the top bar is AISI 310S stainless steel and the bottom bar is ACI-ASTM CK3MCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 44
39
Fatigue Strength, MPa 250 to 280
250
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 600 to 710
620
Tensile Strength: Yield (Proof), MPa 270 to 350
290

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.3
5.6
Embodied Energy, MJ/kg 61
76
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 25
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
200
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 310
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
21
Strength to Weight: Bending, points 20 to 22
20
Thermal Diffusivity, mm2/s 4.1
3.2
Thermal Shock Resistance, points 14 to 16
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.025
Chromium (Cr), % 24 to 26
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 48.3 to 57
49.5 to 56.3
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 19 to 22
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010