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marine grade aluminum certification

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Aluminum flange

Ova aluminum flange
We offer stock for different aluminum fittings, 5086 H32 & 6061 T6 Aluminum Pipe Fittings,aluminum elbow (Radius 90’s, Long Radius 45’s, Long Radius 180’s, Short Radius 90’s, Short Radius 180’s), Tees (Straight and Reducing) Tees and Crosses (Straight and Reducing), Aluminum Caps,Aluminum couplings(straight and reducing), aluminum flanges. We also offer custom manufactured fittings, flanges and pipes.
aluminum flange
5086 H32
5086 is the preferred hull material for small aluminium boats or larger yachts. Its high strength and good corrosion resistance make it an excellent match for yachting.
5086 has a tendency to undergo stress corrosion cracking and is not used much in aircraft construction as a result.
5086 has been used in vehicle armor, notably in the M113 Armored Personnel Carrier and M2 Bradley Infantry fighting vehicle.

6061-T6
T6 temper 6061 has an ultimate tensile strength of at least 42,000 psi (300 MPa) and yield strength of at least 35,000 psi (241 MPa).  More typical values are 45,000 psi (310 MPa) and 40,000 psi (275 MPa), respectively. In thicknesses of 0.250 inch (6.35 mm) or less, it has elongation of 8% or more; in thicker sections, it has elongation of 10%. T651 temper has similar mechanical properties. The typical value for thermal conductivity for 6061-T6 at 80°C is around 152 W/m K. A material data sheet defines the fatigue limit under cyclic load as 14,000 psi (100 MPa) for 500,000,000 completely reversed cycles using a standard RR Moore test machine and specimen. Note that aluminum does not exhibit a well defined “knee” on its S-n graph, so there is some debate as to how many cycles equates to “infinite life”. Also note the actual value of fatigue limit for an application can be dramatically affected by the conventional de-rating factors
of loading, gradient, and surface finish.
 
aluminium flanges
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ova aluminum flange
Nominal Dimension DN Nominal Pressure
Flange dimension Distance between bolt hole center  K Diameter of Bolt Hole  L Thread specifications
         D          B
10 75 40 50 11 M10
15 80 45 55 11 M10
20 90 64 65 11 M10
25 100 72 75 11 M10
32 118 85 90 14 M12
40 132 95 100 14 M12
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