ASME SB163 UNS N04400 nickel alloy heating tube
ASME SB163 UNS N04400 nickel alloy heating tube, commonly known as Monel 400 heating tube, is a high-strength, cold-worked, seamless tube valued for its excellent resistance to high temperatures, salt water, and steam, as well as its weldability and corrosion resistance. These heating tubes are widely used in applications such as heat exchangers, boilers, and condensers because they can withstand harsh environments and high-pressure, high-temperature conditions.
What is UNS N04400?
MONEL Nickel-Copper Alloy 400 (UNS N04400/W.Nr. 2.4360 and 2.4361) is a solid-solution alloy that can only be hardened by cold working. It exhibits high strength and toughness over a wide temperature range and offers excellent corrosion resistance in a wide range of corrosive environments.
ASME SB163 UNS N04400 Pipe Specification Chart
| ASTM Specification | ASTM B163 |
|---|---|
| Standard | ASTM, ASME, JIS, AISI, AMS, EN, SAE, DIN, NF, TOCT, DS, DTD, GB |
| ASTM B163 UNS N04400 Seamless Pipe Size | 4 to 219mm W. T.: 0.5 to 20mm |
| ASTM B163 N04400 Welded Pipe Size | 5.0 - 1219.2 mm |
| ASME SB 163 N04400 EFW Pipe size | 5.0 - 1219.2 mm |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| B163 N04400 Pipe Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| ASME SB 163 UNS N04400 Pipe Length | Single Random, Double Random, Standard & Cut length Pipe |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF, NO.1, NO.4, 2B, BA, HL, 8K, Mirror finish, etc |
| Form | ASME SB 163 UNS N04400 Pipe are available in form of Round, Square, Hollow, Rectangular, Hydraulic, Coiled, Straight Pipes, "U" Shape, Pan Cake Coils etc. |
| Type of SB 168 UNS N04400 Pipe | Seamless / ERW/ EFW / Welded / Fabricated / CDW / DOM / CEW ASME SB 163 UNS N04400 Pipe |
| ASME SB 163 UNS N04400 Pipe End | Plain End, Beveled End, Treaded Pipe, Screwed ends |
Mechanical Behaviour of DIN 2.4360 material
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
Equivalent Grades of Monel 400 Seamless Pipe
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
Monel Alloy 400 Tubing Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.24max | 28.0-34.0 | 2.50 max | 63.00 min | – |
Applications
Heat Exchangers: Widely used in heat exchangers, chillers, and other thermal management systems.
Marine and Coastal Environments: Its excellent seawater resistance makes it an ideal choice for offshore and coastal installations.
High-Temperature Applications: Suitable for use in environments with steam and other high-temperature corrosive fluids.
General Corrosion Applications: Used in a variety of mechanical and general-purpose applications where corrosion resistance is critical.
Precautions
Limitations: Monel 400 is not suitable for use with oxidizing acids such as nitric acid and is susceptible to attack by sulfur-containing gases and molten sulfur at high temperatures.
Hardening Methods: Unlike many alloys, Monel 400 cannot be hardened by heat treatment; its strength is increased only by cold working.
Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications. We also offer customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.
