This article is about Monel Seamless Pipe (N04400) and technical specification based on international codes and standards of ASTM B 165.
Monel Seamless Pipe (N04400) ASTM B 165
| Scope Description | Nickel-copper alloy (Monel), seamless, plain end, pipe. |
| Material Specification | ASTM B 165. Alloy: UNS N04400. Condition: annealed. |
| Dimensional Specification | ASME B36.10M or ASME B36.19M for wall thickness. Small tubes are not applicable. |
| Purchase Order | See purchase order for DN or NPS, schedule, lengths in meters or feet, and delivery and shipping instructions. |
| Lengths | Minimum 5 m (16 ft) lengths to ASTM B 165 unless otherwise stated in the purchase order.
Specified or cut lengths shall be as specified in the purchase order, and length tolerances shall be according to ASTM B 165. |
| Tolerances | ASTM B 165. |
| Drawings | Not required. |
| Calculations | Not required. |
| Chemical Composition | ASTM B165, Alloy UNS N04400. |
| Mechanical Strength | ASTM B165, Alloy UNS N04400, annealed. |
| Welding | Not applicable. |
| Heat Treatment | ASTM B165, Grade UNS N04400. Supplied in the annealed condition. |
| Inspection | ASTM B 165.
Company inspection is not required unless specified in the purchase order or required by the certification for this specification. |
| Testing | ASTM B 165.
Hydrostatic test per paragraph 12.3.1, and analysis samples are not required. |
| Examination | ASTM B 165. |
| Certification | Items DN25 (NPS 1) and smaller shall be provided with an EN 10204 Type 3.1 inspection certificate.
Certification for all other items shall be one of the following: • EN 10204 Type 3.2 inspection certificate also certified by a representative of Company. • EN 10204 Type 3.1 inspection certificate from material manufacturers that have quality assurance systems certified by a competent body established in the European Community. Company’ representative may be from any Inspection Body acceptable to Company or alternatively a person nominated by Company. The supplier shall contact Company’ Inspection Department to establish who may be Company’ representative when applicable. Also see General Piping Material Purchase Specification. |
| Protection | ASTM B 165. |
| Marking | ASTM B 165. Marking shall also include the manufacturer’s name or brand, ASTM B 165, the schedule or wall thickness, and the Commodity Code. Also see General Piping Material Purchase Specification. |
| Color Coding | Not required. |
| Special Requirements | None. |
| 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. |
Application Notes
Monel, seamless pipe to the PED, DN150 (NPS 6) and smaller.
Pressure: As calculated.
Temperature: -198° to +450°C (-325° to +840°F) (also see oxygen limits).
Note: This engineering specification shall be used in conjunction with General Piping Material Purchase Specification.