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marine grade aluminum certification

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Aluminum flange

flat face aluminum flange and raised face 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.
 
aluminium flanges


flat face 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.

 
aluminum flange

aluminium flange

raised face aluminum flange

flat face aluminum flange



Sealing surface Dimension of Flat face aluminum flange and Raised face aluminum flange
Nominal  Dimension d f r t Grooves No.
PN2.5 PN 6 PN 10 PN 16 PN 25 PN 40 PN 63
10 Use PN6 sealing surface dimension 33 Use PN63 sealing surface dimension 41 2 2 1.0 2
15 38 46 2 2 1.0 2
20 48 56 2 2 1.0 2
25 58 65 2 2 1.0 2
32 69 76 2 2 1.0 2
40 78 84 2 2 1.0 2
50 88 99 2 2 1.0 2
65 108 118 2 2 1.0 2
80 124   132 2 2 1.0 2
100 144 156 2 2 1.0 2
125 174 184 2 2 1.0 2
150 199 211 2 2 1.0 2
175 232 242 2 2 1.0 2
200 254 266 266 274 Use PN63 sealing surface dimension 281 2 2 1.5 2
225 282 295 295 305 315 2 2 1.5 2
250 309 319 319 330 345 2 2 1.5 2
300 363 370 370 389 409 2 2 1.5 2
350 413 429 429 448 465 2 2 1.5 3
400 463 480 480 503 535 2 2 1.5 3
450 518 530 548 548 560 2 2 1.5 3
500 568 582 609 609 615 2 2 1.5 3
600 667 682 720 720 735 2 2 1.5 3
700 772 794 794 820     5 5 1.5 3
800 878 901 901 901     5 5 1.5 3
900 978 1001 1001 1028     5 5 1.5 3
1000 1078 1112 1112 1140     5 5 1.5 4
1200 1295 1328 1325 1350     5 5 1.5 4
1400 1510 1530 1530 1560     5 5 1.5 5
1600 1710 1750 1420 1780     5 5 1.5 5
1800 1918 1950 1950 1985     5 5 1.5 5
2000 2125 2150 2150 2210     5 5 1.5 5
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