Brass Fittings

Our brass pipe fittings are manufactured from high-quality brass alloys and produced with precision forging and CNC machining to ensure accurate threads, reliable sealing, and consistent performance. Available in BSP, BSPT, NPT, and other international thread standards, they are suitable for a wide range of industrial applications and global markets. Every batch undergoes strict dimensional inspection, thread gauge verification, and material composition testing, with EN 10204 3.1 Mill Test Certificates and third-party inspection available upon request.
Brass Pipe Fittings Product Range
From threaded elbows and tees to unions, adapters, couplings, and custom-machined fittings, we supply a comprehensive range of brass pipe fittings designed for plumbing, HVAC, gas, hydraulic, and industrial fluid systems. Available in multiple thread standards, pressure ratings, and brass grades, our fittings meet the requirements of OEM manufacturers, distributors, and industrial contractors worldwide.

Brass Elbows
Available Forms
90° Elbow
45° Elbow
Street Elbow
Reducing Elbow
Typical Applications
Plumbing Systems
Water Supply Pipelines
HVAC Installations
Gas Distribution
Common Grades
C37700 • CW617N • C36000

Brass Tees
Available Forms
Equal Tee
Reducing Tee
Female Tee
Male Tee
Typical Applications
Water Distribution
Compressed Air Systems
Industrial Fluid Lines
Hydraulic Connections
Common Grades
CW617N • C37700 • CW614N

Brass Couplings
Available Forms
Straight Coupling
Reducing Coupling
Compression Coupling
Repair Coupling
Typical Applications
Pipe Extension
Plumbing Repair
Irrigation Systems
Pneumatic Systems
Common Grades
C36000 • CW617N • C37700

Brass Adapters
Available Forms
Male Adapter
Female Adapter
Hose Adapter
Thread Adapter
Typical Applications
Thread Conversion
Hydraulic Equipment
Industrial Machinery
Water Treatment Systems
Common Grades
CW617N • C36000 • CW614N

Brass Unions
Available Forms
Female Union
Male Union
Ground Joint Union
Compression Union
Typical Applications
Equipment Maintenance
Pump Connections
Industrial Piping
Water & Gas Systems
Common Grades
C37700 • CW617N • C36000

Brass Nipples, Plugs & Caps
Available Forms
Hex Nipple
Close Nipple
Hex Plug
End Cap
Typical Applications
Pipe Termination
Pressure Testing
Maintenance Work
Industrial Piping Systems
Common Grades
C36000 • CW617N • C37700
Request Custom Brass Pipe Fittings
Applications of Brass Pipe Fittings

Plumbing Systems
Typical Components:Water Supply Pipelines,Residential Plumbing,Commercial Buildings,Potable Water Systems
Recommended Grades:CW617N,C37700

HVAC & Refrigeration
Typical Components: Air Conditioning Systems, Chilled Water Pipelines, Refrigeration Equipment, Heat Pump Systems
Recommended Grades: CW617N, C36000

Natural Gas & LPG Systems
Typical Components: Gas Distribution Pipelines, Gas Meter Connections, Shut-Off Valves, LPG Equipment
Recommended Grades: CW617N, C37700

Hydraulic & Pneumatic Systems
Typical Components: Hydraulic Machinery, Air Compressors, Pneumatic Equipment, Industrial Automation Systems
Recommended Grades: C36000, CW614N

Water Treatment Systems
Typical Components: Filtration Equipment, Pumps, Control Valves, Water Distribution Networks
Recommended Grades: CW617N, C37700

Industrial Machinery
Typical Components: Process Piping, Manufacturing Equipment, Chemical Processing Systems, OEM Machinery
Recommended Grades: C36000, CW617N, C37700
Brass Grade Comparison & Selection Guide
| Grade | Main Features | Best For |
|---|---|---|
| CW617N | Excellent forging performance, high strength, good corrosion resistance, EN standard | Plumbing, gas systems, valves, forged pipe fittings |
| CW614N | Excellent machinability, precise thread machining, EN standard | CNC-machined fittings, adapters, connectors |
| C37700 | High hot forging strength, excellent pressure resistance | Forged elbows, tees, unions, industrial pipe fittings |
| C36000 | Outstanding machinability, smooth surface finish, high production efficiency | Precision-machined fittings, nipples, plugs, OEM components |
| C27400 | Good strength and corrosion resistance with economical cost | General plumbing and industrial piping applications |
| C48500 (Lead-Free) | Lead-free brass with excellent corrosion resistance, suitable for drinking water | Potable water systems, environmentally regulated markets |
Equivalent Brass Grades
| ASTM / UNS | EN | DIN | JIS | GB (China) | Common Description |
|---|---|---|---|---|---|
| C36000 (UNS C36000) | CW603N | CuZn36Pb3 | C3604 | HPb59-1 | Free-Cutting Brass |
| C37700 (UNS C37700) | CW617N | CuZn40Pb2 | - | HPb59-1 | Forging Brass |
| C27400 (UNS C27400) | CW508L | CuZn37 | C2740 | H62 | Yellow Brass |
| C28000 (UNS C28000) | CW507L | CuZn40 | C2801 | H68 | Muntz Brass |
| C23000 (UNS C23000) | CW502L | CuZn15 | C2300 | H85 | Red Brass |
| C22000 (UNS C22000) | CW501L | CuZn10 | C2200 | H90 | Commercial Bronze (Low Zinc Brass) |
| C48500 (UNS C48500) | CW724R* | CuZn21Si3P* | - | HSi80-3* | Lead-Free Brass* |
Quick Selection Guide
For forged brass pipe fittings: CW617N or C37700
For CNC-machined fittings: C36000 or CW614N
For potable water applications: C48500 or CW617N (subject to local regulations)
For general industrial piping: C27400
For European projects: CW617N / CW614N
For North American projects: C37700 / C36000
Request Material Selection Assistance
Brass Pipe Thread Standards

| Thread Standard | Full Name | Common Markets | Typical Applications |
|---|---|---|---|
| NPT | National Pipe Thread | USA, Canada | Industrial piping, hydraulic systems, gas systems |
| NPTF | Dryseal National Pipe Thread | USA | High-pressure hydraulic and pneumatic systems |
| BSPP (G) | British Standard Pipe Parallel | Europe, Middle East, Asia | Plumbing, water supply, industrial equipment |
| BSPT (R/Rc) | British Standard Pipe Taper | Europe, Asia, Australia | Water, gas, compressed air systems |
| Metric (M) | ISO Metric Thread | Europe, Asia | Machinery, hydraulic equipment, automation systems |
| UN/UNF | Unified National Thread | North America | Mechanical assemblies and OEM equipment |
Available Connection Types
Male Thread (M)
Female Thread (F)
Male × Female
Equal Thread
Reducing Thread
Compression Connection
Hose Connection
Thread Standards We Support
ASME B1.20.1 (NPT)
ISO 7-1 (BSPT)
ISO 228-1 (BSPP)
DIN 2999
ISO Metric Threads
Customer Drawing Standards
Whether your project requires NPT for North America, BSPP/BSPT for Europe and Asia, or custom thread specifications, our engineering team can manufacture brass pipe fittings with precise thread tolerances and ensure full compatibility with your piping system.
Need a Custom Thread Standard?
Brass Pipe Fittings Specifications
| Specification | Details |
|---|---|
| Product Types | Elbows, Tees, Couplings, Unions, Adapters, Nipples, Bushings, Plugs, Caps, Crosses |
| Available Sizes | 1/8" to 4" (DN6–DN100) |
| Thread Standards | BSPP, BSPT, NPT, NPTF, Metric, UN/UNF |
| Connection Types | Male, Female, Male × Female, Equal, Reducing, Compression |
| Pressure Rating | PN16, PN25, PN40, Class 125, Class 150, Class 300 |
| Manufacturing Process | Hot Forging, CNC Machining, Precision Threading |
| Surface Finish | Natural Brass, Nickel Plated, Chrome Plated, Polished |
| Brass Grades | CW617N, CW614N, C37700, C36000, C27400, C28000 |
| Operating Temperature | -20°C to +120°C (Depending on application) |
| Applicable Media | Water, Air, Gas, Oil, Steam, Hydraulic Fluids |
| Inspection | Chemical Analysis, Dimensional Inspection, Thread Gauge Inspection, Pressure Testing |
| Certification | EN 10204 3.1 MTC, SGS, BV, TÜV (Available Upon Request) |
| Packaging | Plastic Bags, Export Cartons, Wooden Cases, Pallets |
| OEM Service | Custom Sizes, Thread Types, Surface Finish, Laser Marking, Private Label |
Send Your Technical Requirements
Surface Finish Options

| Surface Finish | Main Benefits | Typical Applications |
|---|---|---|
| Natural Brass | Cost-effective, excellent machinability | Plumbing systems, industrial piping, OEM components |
| Nickel Plated | Improved corrosion resistance and wear protection | Water supply, gas systems, hydraulic and pneumatic fittings |
| Chrome Plated | Decorative appearance, high hardness, excellent corrosion resistance | Bathroom fixtures, decorative plumbing, premium fittings |
| Polished Brass | Enhanced appearance and easy cleaning | Architectural hardware, exposed piping, decorative applications |
| Sand Blasted | Better coating adhesion, reduced glare | Industrial equipment, customized components |
| Custom Surface Treatment | Available according to customer requirements | OEM projects, special industrial applications |
Manufacturing Process

Inspection & Quality Control




| Inspection Item | Inspection Purpose | Inspection Equipment |
|---|---|---|
| Chemical Composition Analysis | Verify brass alloy composition and material compliance | Optical Emission Spectrometer |
| Dimensional Inspection | Check critical dimensions and tolerances | Vernier Caliper, Micrometer, CMM |
| Thread Gauge Inspection | Verify thread accuracy and compatibility | GO / NO-GO Thread Gauges |
| Pressure & Leak Testing | Ensure leak-free sealing under working pressure | Hydrostatic / Air Pressure Test Bench |
| Surface Quality Inspection | Inspect plating quality, surface finish, and visual defects | Visual Inspection & Surface Measuring Tools |
| Packaging Inspection | Verify labeling, quantity, protection, and export packaging | Final Inspection Before Shipment |
Available Inspection Documents
EN 10204 3.1 Material Test Certificate (MTC)
Chemical Composition Report
Dimensional Inspection Report
Pressure Test Report
Third-Party Inspection (SGS, BV, TÜV)
Packing List & Inspection Photos
Request Inspection Reports & MTC
Production Equipment





| Equipment | Manufacturing Capability | Purpose |
|---|---|---|
| Hot Forging Press | High-strength brass forging | Produces dense and durable forged fittings |
| CNC Machining Center | Precision machining | Ensures accurate dimensions and tight tolerances |
| CNC Threading Machine | Precision thread processing | Manufactures BSP, BSPT, NPT, and Metric threads |
| Automatic Polishing Machine | Surface finishing | Improves surface quality and product appearance |
| Nickel Plating Line | Surface treatment | Provides corrosion-resistant nickel-plated finishes |
| Spectrometer & Inspection Equipment | Material and quality verification | Confirms chemical composition and product compliance |
Discuss Your Custom Manufacturing Project
Export Packaging
Every brass pipe fitting is carefully packed to ensure maximum protection during storage, handling, and international transportation. We provide flexible export packaging solutions based on product size, shipping method, and customer requirements.


PE Bag Protection
Individual brass fittings are packed in protective PE bags to prevent scratches, dust, and surface contamination during handling and transportation.
Export Carton Packaging
Products are sorted by size and specification, packed in strong export cartons with clear labels for efficient warehouse management and shipment.
Palletized Packaging
Cartons are securely stacked on fumigation-free pallets and wrapped with stretch film to improve handling efficiency and reduce transportation damage.
Plywood Wooden Cases
Heavy-duty plywood cases provide additional protection for high-value products, precision fittings, and long-distance ocean shipments.
Custom Labels & OEM Packaging
Custom logos, barcodes, carton markings, and private labels are available to support distributors, wholesalers, and OEM customers.
Container Loading
Every container is professionally loaded and secured to minimize movement during transit and ensure products arrive safely at their destination.
Inventory & Lead Time
| Product Type | Inventory Status | Standard Lead Time |
|---|---|---|
| Standard Brass Pipe Fittings | In Stock | 3–7 Days |
| BSP / BSPT Thread Fittings | In Stock | 5–10 Days |
| NPT Thread Fittings | In Stock | 7–15 Days |
| Nickel-Plated Fittings | Available for Production | 15–20 Days |
| Custom Thread & Size Fittings | Made to Order | 20–30 Days |
| OEM / Drawing-Based Parts | Made to Order | 25–35 Days |
Check Stock Availability & Delivery Time
FAQ
1. What brass grades are available for your pipe fittings?
We supply brass pipe fittings in CW617N, CW614N, C37700, C36000, C27400, C28000, and other grades according to ASTM, EN, DIN, and customer specifications.
2. Which thread standards do you support?
We manufacture fittings with BSPP, BSPT, NPT, NPTF, Metric, and UN/UNF threads. Custom thread specifications are also available.
3. Can you manufacture custom brass pipe fittings?
Yes. We provide OEM and custom manufacturing based on drawings, samples, or technical specifications, including custom sizes, threads, and surface finishes.
4. Do you provide EN 10204 3.1 Material Test Certificates?
Yes. EN 10204 3.1 MTC, chemical composition reports, dimensional inspection reports, and third-party inspection documents are available upon request.
5. What surface finishes are available?
We offer Natural Brass, Nickel Plated, Chrome Plated, Polished, Sand Blasted, and other customized surface treatments.
6. What is your minimum order quantity (MOQ)?
MOQ depends on the product type and specifications. Standard fittings usually require a lower MOQ, while custom products are evaluated based on project requirements.
7. How long is the production lead time?
Standard products are generally available within 3–10 days, while custom or OEM orders typically require 20–35 days, depending on quantity and specifications.
8. What industries use your brass pipe fittings?
Our products are widely used in plumbing, HVAC & refrigeration, gas distribution, hydraulic systems, water treatment, industrial machinery, and OEM manufacturing.
9. How are the brass pipe fittings packaged for export?
Products can be packed in PE bags, export cartons, fumigation-free plywood cases, pallets, or customized OEM packaging with labels and barcodes.
10. Which countries do you export to?
We export brass pipe fittings to customers in Europe, North America, Southeast Asia, the Middle East, South America, and other international markets, complying with the relevant material and thread standards required by each region.
















