This article is about Aluminum Backing Rings (Alloy 6061) and technical specification based on international codes and standards of ASME SB-209.
Aluminum Backing Rings (Alloy 6061) | ASME SB-209
| Scope Description | Aluminum backing rings manufactured from plate. |
| Material Specification | ASME SB-209. Alloy: 6061. Temper: T6. |
| Dimensional
Specification |
ASME SB-209 for plate. Split rings with outside diameter to suit pipe internal diameter:
• 3.175 mm (1/8 in) thick x 25.4 mm (1 in) wide for pipe DN80 (NPS 3) and smaller. • 6.35 mm (1/4 in) thick x 25.4 mm (1 in) wide for pipe DN100–DN200 (NPS 4–8). • 6.35 mm (1/4 in) thick x 38.1 mm (1 1/2 in) wide for pipe larger than DN200 (NPS 8). |
| Purchase Order | See purchase order for DN or NPS, schedule or weight class or wall thickness, width and thickness in mm or inches, number of pieces, and delivery and shipping instructions. |
| Lengths | Not applicable. |
| Tolerances | ANSI H35.2 or H35.2(M), Section 3 for plate. |
| Drawings | Not required. |
| Calculations | Not required. |
| Chemical Composition | ASME SB-209, Alloy 6061. |
| Mechanical Strength | ASME SB-209, Alloy 6061, Temper T6. |
| Welding | Not applicable. |
| Inspection | ASME SB-209. Company inspection is not required, unless specified in the purchase order. |
| Testing | ASME SB-209. Bend tests are not required. |
| Examination | ASME SB-209. Ultrasonic examination is not required. |
| Heat Treatment | ASME SB-209, Alloy 6061, Temper T6. Heat treatment to ASTM B 597 (now B 918) is not required. |
| Certification | None. |
| Marking | Marking shall include the Commodity Code. Also see General Piping Material Purchase Specification. |
| Protection | ASME SB-209. 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 | None. |
Application Notes
Aluminum, permanent, backing rings.
Pressure: Not applicable.
Temperature: -268° to +65°C (-452° to +150°F).
Note: This engineering specification shall be used in conjunction with General Piping Material Purchase Specification.