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View ASTM B247 UNS A93003 Slip on and Blind Flange Specification.

Aluminium is a metal that is light in weight and is very ductile. Therefore, several engineers, designers as well as any Aluminium Flanges Manufacturer can manipulate the material in such a manner that it works well for the application. Because the material is ductile it could be formed into variously shaped components such as the ASTM B247 UNS A93003 Blind Flange. Components produced under specification ASTM B247, are required to undergo certain tempers, in addition to any forging process.

Aluminium Flanges

Aluminium Flanges

ASTM B247 UNS A93003 Slip on Flange

ASTM B247 UNS A93003 Slip on Flange

Aluminium Blind Flange

Aluminium Blind Flange

Moreover, this specification also makes provisions for the forged Alloy 6082/ 5083 Slip on Flange to undergo certain tests including tension and hardness tests, chemical analysis, heat treatment, heat treat response, as well as tests such as stress corrosion resistance & a stress corrosion cracking test. With superior corrosion resistance properties, aluminum alloys tend to exhibit moderate tensile strength. Since the material cannot be treated using heat, the strength of Class 150/ 300 LBS UNS A96061/ A96082 flange is derived by cold working the material.

Cold working this material gives it a much better surface finish. Moreover, because the Aluminium 6061 Plate Flange is cold worked, the metal tends to have higher dimensional control. Hence, the directional characteristics can be extended into the metal. Lastly, the main advantage of using a cold working strengthening process is that the contamination problems associated with hot working the 3003-H112 and 6061-T6 Weld Neck Flange are minimized.


Table of Content



3003-H112 and 6061-T6 Weld Neck Flange Price List, Buy online Aluminium 6061 Plate Flange at best price in Mumbai.

Physical Properties of Alloy 6082 Pipe Flange


Apparent yielding point 80 - 120 (90) N/mm2
Brinell hardness 55 - 75 (55) HB 5/250
Breaking elongation 2 - 4 %
Tensile strength 180 - 240 (160) N/mm2
Specific gravity 2.65

Alloy 6082/ 5083 Pipe Flange Supplier and Specialist in DIN 3.3211 Blind Flange.


Aluminium Blind Flange Specification Format


Specification ASTM B247/ ASME SB247
Size Ranges From 1/2 inch upto 60 inch
JIS Standards 5 K, 10K, 16K, 20 K, 30K, 40K, 63 K
Pressure Classes Class 150, Cl 300, 400, Cl. 600, Cl 900, Class 1500 and 2500
Flange Face Type FF, RF, LMF, SMF, RTJ, LJF.
Standards ASME | BS | DIN | ANSI | GOST | EN Flange
UNI/ DIN / EN Standard 6Bar, 10 Bar, 16Bar, 25 Bar, 40Bar

Common types of Aluminium Flanges


Non Standard forging aluminium weld neck flange
Non Standard forging aluminium weld neck flange

Aluminum 6063 Ring Flange
Aluminum 6063 Ring Flange

BCK0200 6061T6 aluminum flange stainless steel flange
BCK0200 6061T6 aluminum flange stainless steel flange

3 holes Aluminum alloy floor flange
3 holes Aluminum alloy floor flange

1/2 NPT Female Aluminum Oil Drain Turbo Flange
1/2 NPT Female Aluminum Oil Drain Turbo Flange

3" t4 Aluminium Weld Neck Flanges
3" t4 Aluminium Weld Neck Flanges

1' 3/4' 1/2' DN15 DN20 DN25 Retro Decorative Aluminum Alloy Threaded Floor Flange
1' 3/4' 1/2' DN15 DN20 DN25 Retro Decorative Aluminum Alloy Threaded Floor Flange

Custom Cast aluminum pipe flanges
Custom Cast aluminum pipe flanges

Check UNS A96061/ A96082 flange dimensions and Size chart.

Weight Chart of Aluminium 5083 Flanges


Standard Class Diameter of Bolt Circle Dia. Bolt Size No. of Bolts Bolt Hole Diameter
AS4087 PN14 67 95 M12 4 14
ANSI B16.5 ANSI 150 60 89 13 4 16
ANSI 300 67 95 13 4 16
ANSI 600 67 95 13 4 16
ANSI 900 83 121 19 4 22
ANSI 1500 83 121 19 4 22
AS 2129 Flange Table C 67 95 13 4 14
Table D 67 95 13 4 14
Table E 67 95 13 4 14
Table F 67 95 13 4 14
Table H 83 114 16 4 17
Table J 83 114 16 4 17
ISO 7005 (DIN) Flange PN6 55 80 M10 4 11
PN10 65 95 M12 4 14
PN16 65 95 M12 4 14
PN20 60.5 90 M14 4 16
PN25 65 95 M12 4 14
PN40 65 95 M12 4 14

ASTM B247 UNS A93003 Slip on Flanges Pressure Ratings


Temperature °F Class 600 Class 150 Class 1500 Class 400 Class 300 Class 900 Class 2500
-20 to 100 1440 275 3600 960 720 2160 6000
200 1200 230 3000 800 600 1800 5000
300 1080 205 2700 720 540 1620 4500
400 995 190 2485 660 495 1490 4140
500 930 170 2330 620 465 1395 3880
600 875 140 2185 580 435 1310 3640
650 860 125 2150 575 430 1290 3580
700 850 110 2125 565 425 1275 3540
750 830 95 2075 555 415 1245 3460
800 805 80 2015 540 405 1210 3360
850 790 65 1980 530 395 1190 3300
900 780 50 1945 520 390 1165 3240
950 765 35 1910 510 380 1145 3180
1000 640 20 1605 430 320 965 2675
1050 615 20 1545 410 310 925 2570
1100 515 20 1285 345 255 770 2145
1150 400 20 995 265 200 595 1655
1200 310 20 770 205 155 465 1285
1250 225 20 565 150 115 340 945
1300 170 20 430 115 85 255 715
1350 125 20 310 80 60 185 515
1400 95 20 240 65 50 145 400
1450 70 15 170 45 35 105 285
1500 55 10 135 35 25 80 230
Manufacturer of Class 150/ 300 LBS Aluminium Alloy Forged and Socket weld Flanges in Mumbai.

Applications of UNS A96061 Flange


  • Industrial Machinery
  • Power Industry
  • Petrochemicals Plants
  • Chemical Plants