ASTM B163 Nickel Alloy Tube Specification, Grades, Sizes & Applications

ASTM B163 is the standard specification for seamless nickel and nickel alloy condenser and heat exchanger tubes designed for corrosion-resistant and high-temperature service applications. ASTM B163 Tubes are widely used in power plants, refineries, petrochemical facilities, marine equipment, condensers and heat exchangers due to their excellent corrosion resistance, thermal conductivity, durability and reliable performance in demanding environments.

Kamal Steels is a leading supplier and exporter of ASTM B163 Nickel Alloy Tubes including ASTM B163 Inconel 600 Tubes, ASTM B163 Inconel 601 Tubes, ASTM B163 Monel 400 Tubes, ASTM B163 Incoloy 800 Tubes and other nickel alloy grades in various sizes, wall thicknesses and lengths for industrial applications worldwide.

The ASTM B163 specification establishes requirements for manufacturing methods, dimensions, tolerances, chemical composition, mechanical properties, inspection procedures and testing requirements. Compliance with ASTM B163 ensures that the tubes deliver consistent performance, long service life and reliable operation in critical industrial systems.

Table of Contents

• What is ASTM B163?
• ASTM B163 Specification
• ASTM B163 Nickel Alloy Tubes
• ASTM B163 Heat Exchanger Tubes
• ASTM B163 Condenser Tubes
• ASTM B163 Available Grades
• ASTM B163 Nickel 200 Tubes
• ASTM B163 Nickel 201 Tubes
• ASTM B163 Manufacturing Process
• Advantages of ASTM B163 Tubes
• ASTM B163 Chemical Composition
• ASTM B163 Mechanical Properties
• ASTM B163 Equivalent Grades
• ASTM B163 Inspection & Testing
• ASTM B163 Applications
• ASTM B163 Tube Supplier & Exporter in India
• Why Choose Kamal Steels?
• Frequently Asked Questions

ASTM B163 covers seamless nickel and nickel alloy tubes intended primarily for condenser and heat exchanger service. The specification is widely accepted across global industries due to its strict quality requirements and proven performance in corrosive and elevated-temperature operating conditions.

These tubes are manufactured through seamless processes to eliminate weld joints and improve structural integrity. The seamless construction provides enhanced pressure handling capability, reduced leakage risk and superior corrosion resistance compared to welded alternatives.

Specification	Details
Standard	ASTM B163 / ASME SB163
Product Type	Seamless Nickel Alloy Tubes
Manufacturing Process	Seamless Cold Drawn
Application	Heat Exchangers & Condensers
Outside Diameter	6 mm to 101.6 mm
Length	Random, Fixed & Custom Lengths
End Type	Plain End
Certification	EN 10204 3.1 / MTC

ASTM B163 Nickel Alloy Tubes are engineered to provide exceptional resistance to corrosion, oxidation and chemical attack. Nickel-based materials maintain their mechanical properties over a wide temperature range, making them suitable for demanding industrial environments where conventional stainless steels may not perform adequately.

Nickel alloy tubes are extensively used in industries handling aggressive chemicals, seawater, alkaline solutions and high-temperature process fluids. Their ability to resist pitting, crevice corrosion and stress corrosion cracking contributes to lower maintenance costs and improved operational efficiency.

Kamal Steels supplies ASTM B163 Nickel Alloy Tubes in various grades, sizes and wall thicknesses to meet the requirements of power plants, refineries, petrochemical facilities and engineering projects worldwide.

ASTM B163 Heat Exchanger Tubes are designed to provide efficient heat transfer while maintaining excellent resistance to corrosion and elevated temperatures. These tubes are commonly used in shell and tube heat exchangers, process heaters, condensers and cooling systems across a wide range of industries.

The seamless construction of ASTM B163 tubes enhances reliability by eliminating weld defects and weak points. Their smooth internal surfaces also improve fluid flow and heat transfer efficiency, resulting in better system performance and reduced operational costs.

Industries such as petrochemical processing, power generation, marine engineering and chemical manufacturing rely on ASTM B163 Heat Exchanger Tubes for their durability and long-term performance.

ASTM B163 Condenser Tubes are widely used in condensers where efficient cooling and resistance to corrosive media are critical. Nickel alloy condenser tubes offer superior performance in seawater, brine and industrial cooling water systems compared to many conventional materials.

These tubes are commonly installed in thermal power plants, desalination facilities, marine condensers and industrial cooling systems. Their excellent thermal conductivity and corrosion resistance help improve operational efficiency and extend equipment service life.

Because condenser systems often operate continuously under demanding conditions, ASTM B163 Tubes are preferred for their reliability, low maintenance requirements and resistance to fouling and corrosion.

ASTM B163 covers several nickel and nickel alloy grades used for seamless condenser and heat exchanger tubes. Each grade offers unique properties including corrosion resistance, thermal conductivity, oxidation resistance and high-temperature strength.

The selection of a suitable ASTM B163 grade depends on operating temperature, fluid composition, pressure conditions and environmental exposure. Nickel-based alloys are preferred in applications where long service life and resistance to aggressive chemicals are critical.

• Nickel 200 (UNS N02200)
• Nickel 201 (UNS N02201)
• Monel 400 (UNS N04400)
• Other Special Nickel Alloys

Nickel 200 is a commercially pure wrought nickel grade known for its excellent resistance to alkalis, neutral salts and reducing chemicals. ASTM B163 Nickel 200 Tubes are widely used in food processing equipment, chemical handling systems, synthetic fiber production and heat exchanger applications.

The alloy offers outstanding electrical and thermal conductivity, making it suitable for applications requiring efficient heat transfer. Nickel 200 also provides excellent mechanical properties and good resistance to atmospheric corrosion.

Industries choose ASTM B163 Nickel 200 Tubes because of their high purity, durability and ability to perform reliably in corrosive operating environments.

Nickel 201 is a low-carbon version of Nickel 200 developed for elevated-temperature service. The reduced carbon content minimizes graphite precipitation and improves performance in temperatures above 315°C.

ASTM B163 Nickel 201 Tubes are commonly used in chemical processing, caustic evaporators, heat exchangers and equipment exposed to high-temperature corrosive media. The alloy maintains excellent corrosion resistance while offering improved metallurgical stability.

Due to its superior resistance to alkaline solutions and corrosive chemicals, Nickel 201 remains one of the most widely used materials for specialized industrial applications.

ASTM B163 Tubes are manufactured through seamless production methods that ensure superior structural integrity and uniform mechanical properties. The manufacturing process begins with high-quality nickel alloy billets that are hot worked and subsequently cold drawn to achieve precise dimensions.

Following the forming process, the tubes undergo solution annealing and heat treatment to optimize mechanical properties and corrosion resistance. Additional finishing operations such as straightening, cleaning and dimensional inspection are performed before final testing.

The seamless manufacturing process eliminates weld seams and reduces the possibility of defects, making ASTM B163 Tubes ideal for critical heat transfer and pressure applications.

ASTM B163 Nickel Alloy Tubes offer numerous benefits compared to conventional materials. Their exceptional corrosion resistance and excellent thermal performance make them suitable for demanding industrial environments.

• Excellent Corrosion Resistance
• Superior Heat Transfer Efficiency
• High Temperature Stability
• Long Service Life
• Outstanding Mechanical Strength
• Resistance to Alkaline Solutions
• Excellent Fabrication Characteristics
• Low Maintenance Requirements
• Reliable Performance in Marine Applications
• Suitable for Critical Industrial Services

ASTM B163 Tubes are extensively used in industries where corrosion resistance, heat transfer efficiency and long service life are essential. Their ability to withstand aggressive chemicals and elevated temperatures makes them a preferred choice for critical process systems.

• Heat Exchangers
• Condensers
• Power Generation Plants
• Petrochemical Facilities
• Chemical Processing Plants
• Marine Engineering
• Offshore Platforms
• Desalination Plants
• Food Processing Equipment
• Pharmaceutical Industry

Kamal Steels is a trusted ASTM B163 Tube Supplier, Stockist and Exporter in India offering seamless Nickel 200, Nickel 201 and Monel alloy tubes for industrial and engineering applications. We maintain ready stock in multiple sizes and wall thicknesses for immediate dispatch.

All ASTM B163 Tubes supplied by Kamal Steels are available with Mill Test Certificates (MTC), EN 10204 3.1 certification and third-party inspection support. Our export network serves customers across the Middle East, Southeast Asia, Africa and international markets.

With competitive pricing, technical expertise and reliable logistics support, Kamal Steels continues to be a preferred supplier of ASTM B163 Nickel Alloy Tubes worldwide.

The chemical composition requirements of ASTM B163 Nickel Alloy Tubes vary depending on the grade selected. Nickel 200 and Nickel 201 are the most commonly supplied grades under this specification and offer excellent corrosion resistance and thermal conductivity.

Element	Nickel 200 (%)	Nickel 201 (%)
Nickel (Ni)	99.0 Min	99.0 Min
Carbon (C)	0.15 Max	0.02 Max
Manganese (Mn)	0.35 Max	0.35 Max
Iron (Fe)	0.40 Max	0.40 Max
Silicon (Si)	0.35 Max	0.35 Max
Copper (Cu)	0.25 Max	0.25 Max

ASTM B163 Tubes are designed to provide excellent mechanical strength, ductility and durability under demanding operating conditions. The specification ensures reliable performance in heat exchanger and condenser applications.

Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)
Nickel 200	380 Min	105 Min	40 Min
Nickel 201	345 Min	80 Min	40 Min

ASTM B163 Nickel Alloy Tubes are supplied in internationally recognized grades and UNS designations, making them suitable for global engineering projects and export applications.

Material	UNS Number	Werkstoff Number
Nickel 200	N02200	2.4066
Nickel 201	N02201	2.4068
Monel 400	N04400	2.4360

ASTM B163 Tubes undergo comprehensive inspection and testing procedures to verify quality, dimensional accuracy and compliance with specification requirements. These tests help ensure reliable performance in critical industrial applications.

• Hydrostatic Testing
• Eddy Current Testing
• Flattening Testing
• Flaring Testing
• Chemical Analysis
• Mechanical Testing
• Positive Material Identification (PMI)
• Visual Inspection
• Dimensional Inspection

Kamal Steels is one of the leading suppliers and exporters of ASTM B163 Nickel Alloy Tubes in India. We provide high-quality products that meet international standards and project-specific requirements.

• Trusted Supplier Since 1984
• Ready Stock Availability
• Competitive Pricing
• Mill Test Certificates (MTC)
• EN 10204 3.1 Certification
• Third-Party Inspection Support
• Worldwide Export Supply
• Fast Delivery & Logistics Support
• Technical Assistance
• Custom Lengths Available

1. What is ASTM B163? 2. What is ASTM B163 tube used for? 3. Which materials are covered under ASTM B163? 4. What is the difference between Nickel 200 and Nickel 201? 5. Are ASTM B163 tubes seamless or welded? 6. What sizes are available in ASTM B163 tubes? 7. Do ASTM B163 tubes come with Mill Test Certificates? 8. Why buy ASTM B163 tubes from Kamal Steels? Request Latest Price