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AISI 310 Stainless Steel vs. ACI-ASTM CG8M Steel

Both AISI 310 stainless steel and ACI-ASTM CG8M steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 310 stainless steel and the bottom bar is ACI-ASTM CG8M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 220
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 45
45
Fatigue Strength, MPa 240 to 280
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 600 to 710
550
Tensile Strength: Yield (Proof), MPa 260 to 350
300

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1040
1020
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
4.1
Embodied Energy, MJ/kg 61
56
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 25
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
19
Strength to Weight: Bending, points 20 to 22
19
Thermal Diffusivity, mm2/s 3.9
4.3
Thermal Shock Resistance, points 14 to 17
12

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.080
Chromium (Cr), % 24 to 26
18 to 21
Iron (Fe), % 48.2 to 57
58.8 to 70
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 19 to 22
9.0 to 13
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040