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ACI-ASTM CF8M Steel vs. AISI 310HCb Stainless Steel

Both ACI-ASTM CF8M steel and AISI 310HCb stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 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 CF8M steel and the bottom bar is AISI 310HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 50
46
Fatigue Strength, MPa 280
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 540
590
Tensile Strength: Yield (Proof), MPa 290
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
520
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
4.8
Embodied Energy, MJ/kg 53
69
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 28
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
210
Resilience: Unit (Modulus of Resilience), kJ/m3 210
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 4.3
3.9
Thermal Shock Resistance, points 12
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 18 to 21
24 to 26
Iron (Fe), % 60.3 to 71
48 to 57
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 12
19 to 22
Niobium (Nb), % 0
0 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.030