Brass C26000 & C23000 Tube Fittings: Grades, Properties, Applications & Selection Guide

Brass C26000 & C23000 Tube Fittings are widely used for connecting and routing tubing in fluid, gas, hydraulic, plumbing, instrumentation, marine and industrial systems. These copper-zinc alloy fittings combine mechanical strength, corrosion resistance, formability and machinability, making them suitable for a wide range of tubing assemblies.
Mcneil Alloys manufactures, supplies, exports, distributes and wholesales Brass C26000 and C23000 Tube Fittings in the UAE, supporting requirements across Dubai, Abu Dhabi, Sharjah, Fujairah and Ras Al Khaimah, along with export deliveries to Saudi Arabia, Qatar, Oman, Kuwait and Bahrain.
The two grades have different material characteristics. C26000, commonly known as Cartridge Brass or 70/30 Brass, offers excellent ductility and cold-forming capability, while C23000, commonly known as Red Brass, has a higher copper content and is positioned for improved corrosion resistance and durability in moisture-prone environments.
What Are Brass Tube Fittings?
Brass tube fittings are precision-machined components used to connect, terminate, redirect or join tubing systems. They provide a mechanical connection between tubes while helping maintain a secure and leak-resistant flow path.
Depending on the application, brass fittings can be incorporated into:
Instrumentation tubing
Plumbing systems
Hydraulic lines
Fuel lines
HVAC systems
Refrigeration systems
Marine systems
Fluid-handling equipment
Industrial process tubing
The material’s machinability and formability make brass particularly suitable for producing accurately dimensioned fittings with smooth surfaces and reliable connections.
Brass C26000 Tube Fittings
Brass C26000 Tube Fittings, also known as cartridge brass tube fittings, are manufactured from a copper-zinc alloy commonly referred to as 70/30 brass.
The Mcneil Alloys source highlights C26000 for applications requiring a combination of strength, corrosion resistance, ductility, formability and machinability. Its excellent cold-working characteristics make it suitable for precision-shaped tube fittings and tubing layouts involving bends and complex configurations.
C26000 Brass Chemical Composition
The published typical composition is:
Element Composition
Copper (Cu) 68.5–71.5%
Zinc (Zn) 28.5–31.5%
Iron (Fe) ≤ 0.05%
Lead (Pb) ≤ 0.07%
Other Elements Trace elements
The balance of copper and zinc gives C26000 its characteristic combination of ductility, formability and useful mechanical strength.
C26000 Technical Specifications
Property Typical / Published Range
Grade UNS C26000
Common Name Cartridge Brass / 70/30 Brass
Standard ASTM B36 / ASTM B16, as applicable
Tensile Strength, Annealed Approx. 300–400 MPa
Yield Strength, 0.2% Proof Approx. 100–150 MPa
Elongation Approx. 50–70%
Hardness Approx. Rockwell B 50–70
Temper Annealed and cold-worked tempers
Surface Bright, smooth and burr-free
Actual mechanical properties can vary with temper and manufacturing condition.
Key Properties of C26000 Tube Fittings
Excellent Formability
C26000 has strong cold-working and forming characteristics, allowing manufacturers to produce accurately shaped components.
High Ductility
Its high ductility makes it suitable for tubing applications where the fitting must accommodate forming and fabrication requirements.
Good Corrosion Resistance
C26000 provides useful resistance to atmospheric corrosion and mild service environments.
Good Machinability
The alloy can be machined into accurate threaded and precision tube-fitting components.
Smooth Surface Finish
A smooth internal surface can support efficient fluid flow and clean connections.
Suitable for Low to Medium Pressure Applications
The Mcneil Alloys page positions C26000 tube fittings for low- to medium-pressure tubing systems.
Brass C23000 Tube Fittings
Brass C23000 Tube Fittings, commonly called Red Brass, contain a higher percentage of copper than C26000.
The published composition is approximately 84–86% copper and 14–16% zinc. The higher copper content gives C23000 improved corrosion resistance and makes it particularly relevant for applications involving moisture and marine environments.
C23000 Brass Chemical Composition
Element Composition
Copper (Cu) 84.0–86.0%
Zinc (Zn) 14.0–16.0%
Lead (Pb) ≤ 0.05%
Iron (Fe) ≤ 0.05%
Other Elements Trace elements
C23000 Technical Specifications
Property Typical / Published Range
Grade UNS C23000
Common Name Red Brass
Standard ASTM B16 / ASME SB16
Copper Content Approx. 85%
Tensile Strength, Annealed Approx. 275–400 MPa
Yield Strength, 0.2% Proof Approx. 90–150 MPa
Elongation Approx. 45–65%
Hardness Approx. Rockwell B 45–65
Density Approx. 8.75 g/cm³
Thermal Conductivity Approx. 230 W/m·K
Melting Range Approx. 900–940°C
The values are presented on the Mcneil Alloys product page as typical ranges and may vary according to temper and manufacturing condition.
C26000 vs C23000 Brass Tube Fittings
Although both grades are copper-zinc alloys, they are not interchangeable for every application.
Feature C26000 C23000
Common Name Cartridge Brass Red Brass
Copper Content 68.5–71.5% 84–86%
Zinc Content 28.5–31.5% 14–16%
Formability Excellent Excellent
Ductility Very high High
Corrosion Resistance Good Higher copper-content corrosion resistance
Cold Working Excellent Good
Marine / Moisture Exposure Suitable for compatible service Particularly suitable
Typical Focus Precision forming and tubing Corrosion resistance and durability
Common Applications Instrumentation, HVAC, plumbing Marine, plumbing, hydraulic, chemical
The Mcneil Alloys source specifically differentiates C26000 through its cold-working and forming characteristics and C23000 through its higher copper content and corrosion-resistance characteristics.
Why Choose Brass C26000 Tube Fittings?
C26000 is particularly useful when formability and precision manufacturing are important.
The key advantages include:
Excellent cold formability
High ductility
Good atmospheric corrosion resistance
Easy machining
Reliable mechanical strength
Smooth surface finish
Good joining characteristics
Suitability for precision tubing assemblies
Long service life in compatible environments
Availability in different manufacturing tempers
These properties make C26000 a practical material for tubing systems requiring accurately manufactured connections and complex layouts.
Why Choose Brass C23000 Tube Fittings?
C23000 is selected where higher copper content and corrosion resistance are important.
Its key advantages include:
High copper content
Improved resistance to dezincification
Good corrosion resistance
Good mechanical strength
Excellent ductility
Good formability
Thermal conductivity
Smooth internal flow surface
Long service life
Suitable performance in moisture-prone environments
The Mcneil Alloys page specifically identifies C23000 for marine systems, plumbing, hydraulic lines, decorative piping and chemical processing applications.
Applications of Brass C26000 & C23000 Tube Fittings
Brass tube fittings are used across numerous industrial and commercial systems.
Instrumentation Tubing
C26000 is suitable for precision instrumentation tubing where dimensional accuracy, formability and reliable connections are important.
Applications include:
Instrument air systems
Measurement lines
Control tubing
Fluid instrumentation
General process tubing
Plumbing Systems
Brass fittings are widely used for plumbing connections because of their machinability, corrosion resistance and ability to form secure joints.
C26000 and C23000 can be selected according to the particular service environment and system requirements.
Marine Systems
C23000’s higher copper content and corrosion-resistance characteristics make it suitable for compatible marine and moisture-exposed applications.
HVAC Systems
Brass tube fittings can be incorporated into suitable heating, ventilation and air-conditioning systems where the material and connection design meet operating requirements.
Refrigeration
The combination of machinability, dimensional accuracy and corrosion resistance makes brass suitable for compatible refrigeration tubing connections.
Hydraulic Lines
Brass C26000 and C23000 fittings can be used in suitable hydraulic tubing applications where pressure, fluid compatibility and material requirements are within the fitting’s design parameters.
Fuel Lines
C26000 is identified by the source for hydraulic and fuel-line applications where compatible service conditions apply.
Chemical Processing
C23000 can be considered for compatible chemical-process applications where its corrosion resistance and material characteristics meet the process requirements.
Brass Tube Fittings for Industrial Tubing
In industrial tubing systems, the fitting must provide more than a physical connection. It needs to maintain dimensional accuracy, support reliable sealing and remain compatible with the operating medium.
Brass is useful for these applications because it combines:
Machinability
Ductility
Corrosion resistance
Thermal conductivity
Formability
Mechanical strength
The specific grade should be selected based on the actual process fluid, pressure, temperature and environmental exposure.
Brass C26000 Tube Fittings for Precision Applications
C26000 is particularly relevant to applications where tubing must be accurately formed and connected.
Its high ductility allows the alloy to undergo forming operations while maintaining the dimensional characteristics required for tubing components.
The Mcneil Alloys source highlights its suitability for:
Tight-radius bending
Complex tubing layouts
Precision tube connections
Instrumentation tubing
Plumbing
Marine fittings
HVAC
Refrigeration
Hydraulic lines
Fuel lines
Brass C23000 Tube Fittings for Corrosion-Resistant Applications
C23000 is positioned for applications where corrosion resistance and durability are especially important.
Its higher copper content can be advantageous in moisture-prone environments and applications where resistance to dezincification is an important material consideration.
Typical applications include:
Marine systems
Plumbing
Hydraulic lines
Chemical processing
Decorative piping
Moisture-exposed tubing systems
Surface Finish of Brass Tube Fittings
Surface finish is important for both installation and performance.
Mcneil Alloys specifies a bright, smooth and burr-free finish for C26000 tube fittings. This type of finish supports:
Easier installation
Cleaner connections
Reduced surface irregularities
Reliable joining
Efficient internal flow characteristics
The fittings are also described as suitable for soldering, brazing and leak-tight assemblies where applicable.
Joining Brass Tube Fittings
Brass fittings can be incorporated into tubing systems using suitable joining techniques.
The Mcneil Alloys source identifies compatibility with:
Soldering
Brazing
Threaded connections
Other tube-joint configurations
The appropriate joining method depends on the fitting design, tubing material, service conditions and project requirements.
Brass Tube Fittings for UAE Applications
The UAE has extensive industrial activity across oil and gas, petrochemical processing, power generation, marine operations, water treatment, HVAC and process automation.
Mcneil Alloys supplies Brass C26000 and C23000 Tube Fittings across Dubai, Abu Dhabi, Sharjah, Fujairah and Ras Al Khaimah. The company also identifies export supply to Saudi Arabia, Qatar, Oman, Kuwait and Bahrain.
The fittings can be specified for compatible applications across:
Industrial plants
Plumbing installations
Process facilities
Marine systems
HVAC installations
Instrumentation systems
Hydraulic equipment
Water-related systems
How to Select Between C26000 and C23000
The right grade depends on the requirements of the tubing system.
Choose C26000 When:
Excellent formability is important
Tight-radius forming is required
Complex tubing layouts are involved
Precision machining is required
Instrumentation tubing is being installed
Low to medium pressure service is involved
Good atmospheric corrosion resistance is sufficient
Consider C23000 When:
Higher copper content is preferred
Corrosion resistance is a major consideration
Moisture exposure is expected
Marine applications are involved
Resistance to dezincification is important
Thermal conductivity is relevant
Long-term durability is required in compatible environments
Final material selection should be confirmed against the actual process conditions and applicable project specifications.
Important Factors When Buying Brass Tube Fittings
Before ordering C26000 or C23000 tube fittings, buyers should confirm several parameters.
Grade
Specify whether the requirement is:
UNS C26000
UNS C23000
Size
Confirm the required tube OD, wall thickness and fitting dimensions.
Application
Identify whether the fitting will be used for:
Instrumentation
Plumbing
Hydraulic service
Marine service
HVAC
Refrigeration
Fuel lines
Chemical processing
Pressure
The fitting must be suitable for the actual operating and design pressure.
Temperature
Confirm both normal and maximum operating temperatures.
Fluid Compatibility
The process medium should be checked against the selected brass grade to ensure appropriate material compatibility.
Connection Type
The required connection or joining method should be established before purchase.
Quantity
For industrial projects, buyers should confirm whether the requirement is for standard stock, bulk supply or project-specific manufacturing.
Brass C26000 & C23000 Tube Fittings Manufacturer, Supplier & Exporter in UAE
Mcneil Alloys operates as a manufacturer, supplier, exporter, distributor and wholesaler of Brass C26000 and C23000 Tube Fittings in the UAE. The company states that its products are manufactured and sourced with emphasis on material integrity, dimensional accuracy and consistent quality.
The company provides supply coverage across:
Dubai
Abu Dhabi
Sharjah
Fujairah
Ras Al Khaimah
It also supports export deliveries to:
Saudi Arabia
Qatar
Oman
Kuwait
Bahrain
Mcneil Alloys states that it supports both ready-stock and project-based requirements, along with bulk and export orders.
Why Choose Mcneil Alloys for Brass Tube Fittings?
Mcneil Alloys highlights several aspects of its Brass C26000 and C23000 supply capability:
Manufacturer-backed quality assurance
Precision machining
Material consistency
Dimensional accuracy
Ready-stock availability
Project-based supply
Bulk-order capability
Export supply
Competitive pricing
Logistics support
Technical assistance
The company states that customers can provide the required grade, size, quantity and delivery location for quotation and availability confirmation.
Frequently Asked Questions About Brass C26000 & C23000 Tube Fittings
What are Brass C26000 Tube Fittings?
Brass C26000 Tube Fittings are copper-zinc alloy fittings manufactured from UNS C26000, commonly called Cartridge Brass or 70/30 Brass. They are known for excellent ductility, formability, machinability and corrosion resistance.
What are Brass C23000 Tube Fittings?
Brass C23000 Tube Fittings are manufactured from UNS C23000, commonly known as Red Brass. The alloy contains approximately 84–86% copper and 14–16% zinc and is positioned for applications requiring corrosion resistance, durability and formability.
What is the difference between C26000 and C23000 brass?
C26000 contains approximately 68.5–71.5% copper and 28.5–31.5% zinc, while C23000 contains approximately 84–86% copper and 14–16% zinc. C26000 is particularly known for cold formability, while C23000 offers higher copper content and improved corrosion resistance characteristics.
Are C26000 tube fittings suitable for instrumentation?
Yes. The Mcneil Alloys page identifies instrumentation tubing as one of the applications for C26000 tube fittings.
Are C23000 tube fittings suitable for marine applications?
The source specifically lists marine systems among the applications of C23000 tube fittings, based on the alloy’s corrosion-resistance characteristics.
Are Brass C26000 and C23000 fittings corrosion resistant?
Yes. Both grades offer corrosion resistance, although their material characteristics differ. C23000’s higher copper content provides improved corrosion-resistance characteristics in applications such as moisture-prone and marine environments.
Can brass tube fittings be used for hydraulic lines?
Yes. The Mcneil Alloys page lists hydraulic lines among the applications for both C26000 and C23000 tube fittings. The actual fitting must be selected according to system pressure, temperature, fluid compatibility and connection requirements.
Does Mcneil Alloys supply Brass C26000 and C23000 Tube Fittings in the UAE?
Yes. Mcneil Alloys identifies itself as a manufacturer, supplier, exporter, distributor and wholesaler of C26000 and C23000 tube fittings, with supply coverage across Dubai, Abu Dhabi, Sharjah, Fujairah and Ras Al Khaimah.
Does Mcneil Alloys export brass tube fittings?
Yes. The source identifies export deliveries to Saudi Arabia, Qatar, Oman, Kuwait and Bahrain.



