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Product Overview
Cangzhou Hongxin is a professional China factory specializing in manufacturing TOE welded pipe nipples with black one-side thread. These specialized pipe nipples feature a welded end (TOE) on one side for permanent connections and a threaded end on the opposite side for adjustable fittings. Made from high-quality carbon steel with a black finish, they provide reliable performance in various industrial piping systems.
Key Features & Benefits
Dual-Purpose Design: Welded end for permanent connections + threaded end for adjustable fittings
Material Quality: Carbon steel (A234 WPB, A105) with black oxidation finish
Corrosion Protection: Black surface treatment provides basic rust resistance
High Strength: Suitable for medium to high-pressure applications
Easy Installation: Combines welding efficiency with threading convenience
Cost-Effective: Eliminates need for additional adapters or fittings
Technical Specifications
Material Carbon Steel (A234 WPB, A105)
Size Range 1/8" to 4" (DN6 to DN100)
Thread Type NPT, BSPT, BSPP (one side only)
Welding End Beveled for easy welding
Surface Finish Black oxidized
Pressure Rating Up to 3000 PSI
Length Customizable (standard: 50-300mm)
Standards ANSI/ASME B16.11, ASTM A234
Applications
Industrial Piping: Process lines and utility systems
Oil & Gas: Pipeline connections and equipment integration
Plumbing Systems: Water supply and drainage connections
HVAC Installations: Heating and cooling distribution
Mechanical Equipment: Machinery and tool connections
Construction Projects: Building service piping systems
Manufacturing Process
Material Selection: Premium carbon steel from certified mills
Cutting & Shaping: Precision cutting to required lengths
Threading: CNC threading on one end
End Preparation: Beveling welding end for optimal weld penetration
Surface Treatment: Black oxidation for corrosion protection
Quality Control: Dimensional checks and pressure testing
Why Choose Cangzhou Hongxin?
Factory Direct: Competitive pricing with no intermediaries
Quality Assurance: Strict adherence to international standards
Custom Solutions: Tailored sizes, lengths, and threading
Fast Delivery: Efficient production and global shipping
Technical Support: Professional engineering consultation
Ordering Information
Standard Sizes: Ready for immediate shipment
Custom Orders: Available with specified dimensions and threading
Packaging: Standard export packaging with protective coating
Certifications: Material test certificates provided
FAQ
Q: What does "TOE" mean in welding terminology?
A: TOE refers to the welding edge or point where two pieces meet for welding.
Q: Can you supply other surface treatments?
A: Yes, we also offer galvanized, painted, or other surface treatments.
Q: What thread standards are available?
A: We provide NPT, BSPT, BSPP, and other thread standards.
Q: What is the lead time for custom orders?
A: Typically 15-20 days depending on quantity and specifications.
