5083 Aluminum Alloy Flanges Manufacturer & Supplier
We are a trusted manufacturer and Exporter / supplier of 5083 aluminum alloy flanges. Aluminum Alloy 5085 Flanges offering high-strength, corrosion-resistant solutions for marine, offshore, chemical, and cryogenic applications. Our flanges are precisely machined to international standards and available in weld neck, blind, slip-on etc
5083 Aluminum Alloy Flanges
5083 aluminum alloy is a non-heat-treatable Al-Mg-Mn alloy with excellent performance in marine and industrial environments. It offers superior corrosion resistance, high strength, and excellent weldability, making it an ideal choice for piping and flange systems in seawater and chemically aggressive conditions.
Available Flange Types
- ✅ Weld Neck Flange (WN)
- ✅ 5083 Slip-On Flange (SO)/ 5083 Plate Flanges
- ✅ Blind Flange (BL)
- ✅ Socket Weld Flange (SW)
- ✅ Custom Machined Flanges as per drawing
5083 Flanges Size & Standard Range
| Parameter | Details |
|---|---|
| Size Range | 1/2″ – 24″ (DN15 – DN600) |
| Pressure Ratings | ANSI Class 150 / 300 / 600, DIN PN6 – PN40 |
| Standard | ASME B16.5, DIN, EN 1092-1 PN10/PN16, JIS B2220 5K/10K |
| Surface Finish | Machined face / Raised face / Flat face |
| Drilling | ANSI / DIN / JIS / Custom hole patterns |
Typical supply for Marine ship building:
5083 Aluminum Alloy Flange DIN PN16 Flanges,
5083 Aluminum Alloy Flange DIN PN10 Flanges,
5083 Aluminum Alloy Flange JIS 5K Flanges,
5083 Aluminum Alloy Flange JIS 10K Flanges
5083 Flanges Chemical Composition (% Max)
| Element | Content (%) |
|---|---|
| Aluminum (Al) | Balance |
| Magnesium (Mg) | 4.0 – 4.9 |
| Manganese (Mn) | 0.4 – 1.0 |
| Chromium (Cr) | 0.05 – 0.25 |
| Iron (Fe) | ≤ 0.40 |
| Silicon (Si) | ≤ 0.40 |
| Copper (Cu) | ≤ 0.10 |
| Zinc (Zn) | ≤ 0.25 |
5082 Alu Alloy flanges Mechanical Properties (Typical H112)
| Property | Value |
|---|---|
| Tensile Strength | 275 – 350 MPa |
| Yield Strength | ≥ 240 MPa |
| Elongation | ≥ 10% |
| Hardness | ~75 HB |
| Density | 2.66 g/cm³ |
Applications of Aluminum 5083 flanges
- Marine piping systems (shipbuilding, boats, platforms)
- Offshore structures and floating units
- LNG and cryogenic transport systems
- Chemical process plants and storage tanks
- Structural and mechanical assemblies in corrosive areas
Alu 5083 Flanges Certifications & Testing
- EN 10204 3.1 / 3.2 Mill Test Certificate
- ISO 9001:2015 Certified Production
- ASTM B247, B928 Compliant Forgings
- Ultrasonic & Dimensional Testing (on request)
- Third-party inspections (TÜV, DNV, SGS, BV) available
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Related Products:
Aluminum 6061 Blind Flange | 6061-T6 Slip On Flange | 6061 T6 Pipes| 6061 T6 Couplings
Aluminum 5083 Weld neck Flange | 5083 Slip On Flange | 5083 Pipes| 5083 Couplings
