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AISI 317 Stainless Steel vs. ACI-ASTM CF16Fa Steel

Both AISI 317 stainless steel and ACI-ASTM CF16Fa steel are iron alloys. They have a moderately high 94% 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 317 stainless steel and the bottom bar is ACI-ASTM CF16Fa steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
28
Fatigue Strength, MPa 250 to 330
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 580 to 710
540
Tensile Strength: Yield (Proof), MPa 250 to 420
230

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 590
980
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
17
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.3
Embodied Energy, MJ/kg 59
47
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 31
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20 to 25
19
Strength to Weight: Bending, points 20 to 22
19
Thermal Diffusivity, mm2/s 4.1
4.2
Thermal Shock Resistance, points 12 to 15
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.16
Chromium (Cr), % 18 to 20
18 to 21
Iron (Fe), % 58 to 68
62.1 to 72.4
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 3.0 to 4.0
0.4 to 0.8
Nickel (Ni), % 11 to 15
9.0 to 12
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0.2 to 0.4