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ACI-ASTM CB7Cu-2 Steel vs. AISI 310MoLN Stainless Steel

Both ACI-ASTM CB7Cu-2 steel and AISI 310MoLN stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CB7Cu-2 steel and the bottom bar is AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300 to 420
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 11
28
Fatigue Strength, MPa 420 to 590
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 960 to 1350
610
Tensile Strength: Yield (Proof), MPa 760 to 1180
290

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 38
70
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 15
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1510 to 3600
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 34 to 48
21
Strength to Weight: Bending, points 28 to 35
20
Thermal Diffusivity, mm2/s 4.6
3.7
Thermal Shock Resistance, points 32 to 45
14

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.020
Chromium (Cr), % 14 to 15.5
24 to 26
Copper (Cu), % 2.5 to 3.2
0
Iron (Fe), % 73.6 to 79
45.2 to 53.8
Manganese (Mn), % 0 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
1.6 to 2.6
Nickel (Ni), % 4.5 to 5.5
20.5 to 23.5
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0.090 to 0.15
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010