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AISI 314 Stainless Steel vs. ACI-ASTM CG3M Steel

Both AISI 314 stainless steel and ACI-ASTM CG3M 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 AISI 314 stainless steel and the bottom bar is ACI-ASTM CG3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
28
Fatigue Strength, MPa 210
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 590
580
Tensile Strength: Yield (Proof), MPa 230
270

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1100
1020
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 25
20
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.3
4.1
Embodied Energy, MJ/kg 62
56
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 25
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
130
Resilience: Unit (Modulus of Resilience), kJ/m3 130
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.9
4.1
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.030
Chromium (Cr), % 23 to 26
18 to 21
Iron (Fe), % 46.7 to 56.5
58.9 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), % 1.5 to 3.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040