This article is about Aluminum ASME B16.5 Flanges (Alloy 5083) and technical specification based on international codes and standards of ASME SB-247.
Aluminum ASME B16.5 Flanges (Alloy 5083) | ASME SB-247
| Scope Description | Aluminum, forged pipe flanges, DN15 to DN600 (NPS 1/2 to NPS 24). |
| Material Specification | ASME SB-247. Alloy: 5083. Temper: H112. |
| Dimensional Specification | ASME B16.5. Flange facing finish shall conform to ASME B16.5, paragraph 6.4.5, unless otherwise stated in the purchase order. |
| Purchase Order | See purchase order for flange type, DN or NPS, pressure class, flange facing, schedule or weight class or wall thickness, number of pieces, delivery and shipping instructions. |
| Lengths | Not applicable. |
| Tolerances | ASME B16.5. |
| Drawings | Not required. |
| Calculations | Not required. |
| Chemical Composition | ASME SB-247, Alloy 5083. |
| Mechanical Strength | ASME SB-247, Alloy 5083, Temper H112. |
| Welding | Not applicable. |
| Heat Treatment | ASME SB-247, Alloy 5083, Temper H112. Heat treatment to ASTM B 597 (now B 918) is not required. |
| Inspection | ASME SB-247. Company inspection is not required, unless specified in the purchase order. |
| Testing | ASME SB-247. No additional tests are required. Tensile survey tests are not required. |
| Examination | ASME SB-247. Liquid penetrant examinations are not required. |
| Certification | Mill certificate or, in Europe only, inspection certificate Type 3.1 to EN 10204. Also see General Piping Material Purchase Specification. |
| Marking | ASME B16.5 (MSS SP-25). Marking shall also include the schedule or weight class or wall thickness, the heat identification, and the Commodity Code. Flanges shall be marked by clearly die stamping the outer ring of the flange. Also see General Piping Material Purchase Specification. |
| Protection | ASME SB-247. Protection to ASTM B 660 is not required. |
| Color Coding | Not required. |
| Packing | Shipment and Packing Specification for Equipment and Materials. Suitable packing shall be provided to ensure that all items arrive at the contractual point of delivery in an undamaged condition. Refer to the purchase order for specific packing standards and instructions. |
| Special Requirements | The hydrogen content of the product shall not exceed 0.3 ppm by mass. The finished product shall be suitable for welding. |
Application Notes
Aluminum pipe flanges, Classes 150, 300, and 600, DN15 to DN600 (NPS 1/2 to NPS 24).
Pressure: Ratings as calculated.
Temperature: -268° to +65°C (-452° to +150°F).
Note: This engineering specification shall be used in conjunction with General Piping Material Purchase Specification.