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.