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ASTM B163 Condenser and Heat-Exchanger Tubes are seamless nickel and nickel-alloy tubes designed for high-efficiency heat transfer equipment in demanding industrial environments. Manufactured according to ASTM B163 standards, these tubes offer excellent corrosion resistance, superior thermal conductivity, and reliable mechanical performance in high-temperature and high-pressure applications.
Widely used in power plants, petrochemical refineries, marine condensers, and industrial heat exchangers, ASTM B163 tubes are commonly produced in alloys such as Nickel 200, Nickel 201, Monel 400, and other nickel-based materials. Their seamless structure ensures consistent wall thickness, high structural integrity, and long service life in corrosive media such as seawater, acids, and chemical processing fluids.
As an experienced global supplier, we provide ASTM B163 tubes in a wide range of sizes, wall thicknesses, and custom lengths to meet international project requirements, supported by strict quality inspection and export packaging standards.
ASTM B163 includes numerous nickel-based alloys, each selected for specific corrosive environments and temperature ranges. Some of the most common include:
UNS N02200 ( commercially Pure Nickel)
UNS N04400 (Nickel-Copper, Monel 400)
UNS N06600 (Nickel-Chromium-Iron, Inconel 600)
UNS N06690 (Nickel-Chromium-Iron, Inconel 690) - Common in nuclear steam generators.
UNS N08800 (Nickel-Iron-Chromium, Incoloy 800)
UNS N08825 (Nickel-Iron-Chromium-Molybdenum-Copper, Incoloy 825)
UNS N10276 (Nickel-Chromium-Molybdenum, Hastelloy C276)
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Products Description
ASTM B163 covers seamless tubes of nickel and nickel alloys for use in condenser and heat-exchanger service.
Dimension:
Tube OD: 12.7-76.2mm Tube THK. 1 - 12.7MM
Nickel Grade:
UNS N02200/Ni 200
Delivery Condition: Annealed, Stress-relieved.
Low-carbon Nickel Grade:
UNS N02201/Ni 201
Delivery Condition: Annealed, Stress-relieved.
Nickel-copper alloy:
UNS N04400/Monel 400
Nickel-chromium-iron alloys Grade:
Annealed alloy UNS N06600/Inconel 600
Annealed alloy UNS N06601/Inconel 601
Annealed alloy UNS N06690
Annealed alloy UNS N06045
Annealed alloy UNS N06025
Annealed alloy UNS N06603
Low-carbon nickel-chromium-molybdenum-tungsten alloy:
Annealed alloy UNS N06686
Nickel-iron-chromium alloys:
Annealed alloy UNS N08120
Annealed alloy UNS N08800
Annealed alloy UNS N08801
Cold-worked alloy UNS N08800
Annealed alloy UNS N08810
Annealed alloy UNS N08811
Nickel-iron-chromium-molybdenum-copper alloy:
Annealed alloy UNS N08825
ASTM B163 Tube Specifications
| Parameter | Metric | Imperial |
|---|---|---|
| Outside Diameter | 6 mm – 76 mm | 1/4" – 3" |
| Wall Thickness | 0.5 mm – 6 mm | 0.020" – 0.250" |
| Length | 3 m – 12 m | 10 ft – 40 ft |
| Production Method | Seamless | Seamless |
| Surface Finish | Annealed & Pickled / Bright Annealed | |
| Delivery Condition | Annealed |
Dimensional Tolerances
Manufactured according to ASTM B163 tolerance requirements ensuring precise OD, wall thickness, and straightness suitable for heat-transfer equipment.
| ASME SB163 /ASTM B163 | Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes | ||||
| Material Grade | N02200 | N02201 | N04400 | N06025 | N06045 |
| N06600 | N06601 | N06603 | N06686 | N06690 | |
| Size | 1/2''~48'' | ||||
| Thickness | SCH5~SCHXXS | ||||
| End | Beveled End,Plain End | ||||
| Length | As per your requirement. | ||||
| Packing | Export Standard packing or as per your requirements. | ||||
chemical requirements
alloy and conditions
mechanical properties of tubes
permissible variations in outside diameter and wall thickness of condenser and heat exchanger tubes
alloy condition tube size and bend radil limitations
Alloys size ranges and yield strength for higher yleld strength tubes
mechanical properties of small diameter and light wall tube
permissible variations for small diameter and light wall tube
Inspection & Quality Assurance
Our ASTM B163 condenser tubes are produced under strict quality control procedures to meet international industrial standards.
Quality inspection includes:
Raw material verification
Chemical composition analysis
Mechanical property testing
Eddy current testing (ECT)
Hydrostatic pressure testing
Ultrasonic testing (UT)
Dimensional inspection
Surface quality inspection
Third-party inspections such as SGS, BV, TUV, or Intertek are available upon request.
Each shipment can be supplied with Mill Test Certificate (MTC) EN 10204 3.1.
FAQ – ASTM B163 Condenser and Heat Exchanger Tubes
What is ASTM B163?
ASTM B163 is a standard specification for seamless nickel and nickel alloy condenser and heat-exchanger tubes used in high-performance heat transfer equipment.
What alloys are covered by ASTM B163?
Common alloys include Nickel 200 (UNS N02200), Nickel 201 (UNS N02201), Monel 400 (UNS N04400), and other nickel-based alloys.
What industries use ASTM B163 tubes?
These tubes are widely used in power plants, chemical processing plants, marine engineering, desalination facilities, and petrochemical industries.
What is the difference between ASTM B163 and ASTM B165?
ASTM B163 focuses on condenser and heat-exchanger tubes, while ASTM B165 covers general purpose seamless nickel alloy pipe and tube.
Are ASTM B163 tubes seamless or welded?
ASTM B163 tubes are seamless, ensuring higher structural strength and better pressure resistance.
Can the tubes be customized in length?
Yes. Custom lengths, cut-to-size services, and special dimensions can be provided according to project requirements.
What certifications are available?
Products can be supplied with ISO 9001, MTC EN10204 3.1, and third-party inspection reports such as SGS or BV.
What surface finishes are available?
Common finishes include Annealed & Pickled (AP) and Bright Annealed (BA) depending on application requirements.
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