| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Companion, Blind, Lap Joint |
|---|---|
| Class | 150 Lbs, 40, 300 Lbs, 64, 100, 600 Lbs, 160, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Pn 6, Asa 300, 10, 25, 16 |
| Size | 1/2″ (15 Nb) |
| Type | Raised Face (rf), Small Male Female (smf), Flat Face (ff), Large Tongue & Groove, Ring Type Joint (rtj), Small Tongue, Lap Joint Face (ljf), Large Male Female (lmf), Groove |
Aluminium Flanges
Aluminium Flanges – Grades, Types & Specification Overview
| Material | Grade / Alloy | Standard | Size Range | Pressure Rating | Temperature Range | Flange Type | Typical Application |
|---|---|---|---|---|---|---|---|
| Aluminium | 6061-T6 | ASTM B247 / ASME B16.5 | ½″ – 24″ | Class 150 – 300 | -50°C to 150°C | Slip-On / Weld Neck | Piping systems, water & fluid handling |
| Aluminium | 5083 | ASTM B209 | ½″ – 20″ | Class 150 | -50°C to 120°C | Blind Flange | Marine, shipbuilding applications |
| Aluminium | 6082-T6 | EN 573 / EN 485 | ½″ – 24″ | Class 150 – 300 | -50°C to 150°C | Threaded / Lap Joint | Industrial pipelines, chemical processing |
| Aluminium | 7075-T6 | ASTM B209 | ½″ – 12″ | Class 300 | -50°C to 120°C | Weld Neck / Blind | Aerospace, high-strength applications |
Aluminium Flanges are designed with great accuracy as the items used in linking pipes, valves and machinery within different piping systems with dependability and convenience. These flanges have been appreciated due to their light weight, good resistance to corrosion and good mechanical strength, which makes them suitable in both industrial and marine applications. They are not leak-proof and offer good security of joints and are easy to install and maintain. Aluminium Flanges find extensive applications in water treatment, chemical industries and fluid transfer systems where durability, efficiency and weight reduction are key concerns.
Type of Sub-products
Frequently Asked Questions
What standards are available for Aluminium Flanges?
What pressure classes are available for Aluminium Flanges?
What types of Aluminium Flanges are available?
Which industries use Aluminium Flanges?
What grades of Aluminium are available for Aluminium Flanges?
What sizes are available for Aluminium Flanges?
What temperature range can Aluminium Flanges handle?
Countries We Export
India
Cities We Supply
Gandhinagar
Rajahmundry
Panipat
Mumbai
Hosdurg
Durgapur
Nashik
Rajkot
Angul
Lucknow
Pune
Moradabad
Bharuch
Industries We Serve
Oil And Gas Industries

Gasket Industry
Sugar
Automobile Industry
Defense Industry
Construction & Fabrications
Paper Mill
Bridge And Building
Aerospace Industries
Railways
Pharmaceuticals Industry
Power Plant
Electrical Industry
Ring Man Units
People Also Viewed

$0.33 - $1.49
Min. order: 100 unit
Aluminium 6061 Flanges Manufacturer & Supplier | Aluminium 6061 | Riddhi Siddhi Metal Impex
Verified
2 yrsFlanges Types: Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap JointClass: 150 Lbs, 40, 300 Lbs, 64, 100, 600 Lbs, 160, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25Size: 1/2″ (15 Nb)
$0.23 - $1.39
Min. order: 100 unit
Aluminium 5083 H111 Flanges Manufacturer & Supplier | Aluminium 5083 H111 | Riddhi Siddhi Metal Impex
Verified
2 yrsFlanges Types: Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap JointClass: 150 Lbs, 40, 300 Lbs, 64, 100, 600 Lbs, 160, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25Size: 1/2″ (15 Nb)
$0.48 - $1.69
Min. order: 120 piece
Aluminium Flanges Manufacturer & Supplier | Aluminium | Riddhi Siddhi Metal Impex
Verified
2 yrsFlanges Types: Slip On, Weld Neck, Long Weld Neck, Threaded, Companion, Blind, Lap JointClass: 150 Lbs, 40, 300 Lbs, 64, 100, 600 Lbs, 160, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Pn 6, Asa 300, 10, 25, 16Size: 1/2″ (15 Nb)
$0.45 - $1.78
Min. order: 350 unit
Hastelloy B3 Flanges Manufacturer & Supplier | Hastelloy B3 | Riddhi Siddhi Metal Impex
Verified
2 yrsFlanges Types: Slip On, Lap Joint, Weld Neck, Long Weld Neck, Threaded, Companion, BlindClass: Pn 6, 150 Lbs, 300 Lbs, 10, 16, 600 Lbs, 25, 40, 900 Lbs, 64, 100, 1500 Lbs, 160, 2500 Lbs Asa 150, Asa 300Size: 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000
Supplier's Popular Products

$1.20 - $1.90
Min. order: 100 piece
Buttweld 90° Pipe Fitting Elbow Manufacturers , Suppliers & Exporters | Astm A234 Wpb, Ss 304/316 | Riddhi Siddhi Metal Impex
Verified
2 yrsSpecifications: Astm, Asme, Din, Nf, Jis, En, IosSize Range: 1/2"nb To 48"nb, 1/2"nb, 48"nbDimension: Asme/ansi B16.9, Asme B16.28, Mss Sp 43
$0.84 - $1.99
Min. order: 175 piece
Head Gaskets Manufacturer & Supplier | Mls, Graphite & Composite Engine Gaskets | Riddhi Siddhi Metal Impex
Verified
2 yrsSizes: 1/2 Nb, 24 NbGasket Standards: Asme B16.20 Gaskets, Asme B16.21 GasketsOutside Diameter: Nps 1⁄2 Through Nps 8 Is ±0.8 Mm; For Nps 10 Through Nps 24, +1.5 Mm, −0.8 Mm.
$0.88 - $1.88
Min. order: 100 piece
Uniseal Gaskets Manufacturer & Supplier | Ptfe, Graphite & Rubber Insert Gaskets | Riddhi Siddhi Metal Impex
Verified
2 yrsSizes: 1/2 Nb, 24 NbGasket Standards: Asme B16.20 Gaskets, Asme B16.21 GasketsOutside Diameter: Nps 1⁄2 Through Nps 8 Is ±0.8 Mm; For Nps 10 Through Nps 24, +1.5 Mm, −0.8 Mm.
$0.89 - $1.89
Min. order: 90 piece
Envelope Gaskets Manufacturer & Supplier | Ptfe, Graphite & Caf Insert Gaskets | Riddhi Siddhi Metal Impex
Verified
2 yrsSizes: 1/2 Nb, 24 NbGasket Standards: Asme B16.20 Gaskets, Asme B16.21 GasketsOutside Diameter: Nps 1⁄2 Through Nps 8 Is ±0.8 Mm; For Nps 10 Through Nps 24, +1.5 Mm, −0.8 Mm.