This article is about Hastelloy ASME B16.5 Flanges (C276) Technical Specification and technical specification based on international codes and standards of ASTM B 564.
Hastelloy ASME B16.5 Flanges (C276) Technical Specification | ASTM B 564
| Scope Description | Hastelloy (C276), forged, pipe flanges, DN15 to DN600 (NPS 1/2 to NPS 24). |
| Material Specification | ASTM B 564 Alloy: UNS N10276. Condition: Solution annealed. |
| 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, and delivery and shipping instructions. |
| Lengths | Not applicable. |
| Tolerances | ASME B16.5. |
| Drawings | Not required. |
| Calculations | Not required. |
| Chemical Composition | ASTM B 564, UNS N10276. |
| Mechanical Strength | ASTM B 564, UNS N10276. |
| Welding | Not applicable. |
| Heat Treatment | ASTM B 564, UNS N10276. |
| Examination | ASTM B 564. |
| Testing | ASTM B 564, UNS N10276. Analysis samples are not required. |
| Certification | Mill certificate Also see General Piping Material Purchase Specification. |
| Inspection | ASTM B 564, UNS N10276.
Company inspection is not required, unless specified in the purchase order. |
| Marking | ASME B16.5.
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 | ASTM B 564, UNS N10276. |
| 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
Monel, pipe flanges, DN15 to DN600 (NPS 1/2 to NPS 24).
Pressure: Ratings as per ASME B16.5.
Temperature: -40° to +250°C (-40° to +500°F).
Note: This engineering specification shall be used in conjunction with General Piping Material Purchase Specification.