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AISI 316 Stainless Steel vs. ACI-ASTM CA28MWV Steel

Both AISI 316 stainless steel and ACI-ASTM CA28MWV steel are iron alloys. They have 82% of their average alloy composition in common. There are 33 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 316 stainless steel and the bottom bar is ACI-ASTM CA28MWV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 360
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 8.0 to 55
11
Fatigue Strength, MPa 210 to 430
470
Poisson's Ratio 0.28
0.28
Reduction in Area, % 80
27
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 520 to 1180
1080
Tensile Strength: Yield (Proof), MPa 230 to 850
870

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 590
740
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
3.1
Embodied Energy, MJ/kg 53
44
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 26
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 260
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1820
1920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 41
38
Strength to Weight: Bending, points 18 to 31
30
Thermal Diffusivity, mm2/s 4.1
6.6
Thermal Shock Resistance, points 11 to 26
40

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.28
Chromium (Cr), % 16 to 18
11 to 12.5
Iron (Fe), % 62 to 72
81.4 to 85.8
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.9 to 1.3
Nickel (Ni), % 10 to 14
0.5 to 1.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3