ASME SB163 UNS N04400 Nickel Alloy Seamless Heat Exchanger Tube
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ASME SB163 UNS N04400 nickel alloy seamless heat exchanger tubes are manufactured from Monel 400 (a nickel-copper alloy) in compliance with ASME B163 specifications for seamless condenser and heat exchanger tubes.
Monel 400 tubes exhibit slight magnetism at room temperature, demonstrating resistance to seawater and steam, as well as tolerance to salt and alkaline solutions in high-temperature environments. These high-pressure tubes are designed with a density of 8.8 g/cm³ and can withstand pressures up to 7000 PSIG. Additionally, they offer excellent resistance to alkaline and neutral salt solutions.
Monel 400 alloy tubes are versatile and widely used in marine ecosystems, chemical processing, hydrocarbon equipment, fasteners, shafts, and other applications.
Monel 400 Tube Equivalent Materials
Equivalent materials to Monel 400 Tube are:
W.NR 2.4360
W.NR 2.4361
UNS N04400
AWS 040
ASTM B163 UNS N04400 Tube Specifications
| Standard | ASTM B163, ASME SB163 |
|---|---|
| Tube Type | Seamless Tube |
| Alloy | UNS N04400 400 |
| tube form | Straight tubes and U-bend tubes |
| Outside Diameter | 6 – 76.2 mm |
| Thickness | 0.8 – 6 mm |
ASTM B163 UNS N04400 Seamless Nickel Alloy Tubes Chemical Composition
ASTM B163 UNS N04400 is a nickel-copper alloy containing more than 63.0% nickel and 28.0-34.0% copper content, it can be hardened only by cold working. It has high strength and toughness over a wide temperature range and excellent resistance to many corrosive environments. EN equivalent is WNR 2.4360.
| Alloy | Nickel | Copper | Manganese | Iron | Sulfur | Carbon | Silicon | Chromium |
|---|---|---|---|---|---|---|---|---|
| UNS N04400 | 63.0 min | 28.0 – 34.0 | 2.0 max | 2.5max | 0.024 max | 0.3max | 0.5 | … |
ASTM B163 UNS N04400 Nickel Alloy Tubes Mechanical Properties
|
Material and Condition |
Tensile Strength Min. Ksi(MPa) |
Yield Strength(0.2% Offset)Min,Ksi(MPa) |
Elongation in 2in. or 50mm(or 4D)min. % |
Rockwell Hardness(or Equivalent) for Annealed Ends[Note(1)] |
|---|---|---|---|---|
|
Stress-relieved Alloy UNS N04400: |
85(586) |
55(379) |
15 |
B75max |
Test Certificates for ASTM B163 UNS N04400 Monel 400 Seamless Tubes: Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report
We offer ASTM B163 UNS N04400 seamless tube for use in the condenser and heat-exchanger service, SB163 400 seamless tube specifies sizes on the outside diameter and average wall, or outside diameter and minimum wall tube.
The sizes covered by ASTM B163 specification are 3 in. (76.2 mm) and under in outside diameter with minimum wall thicknesses of 0.148 in. (3.76 mm) and under, and with average wall thicknesses of 0.165 in. (4.19 mm) and under. small diameter and light wall tube (converter sizes) are defined.
