High-Quality Threaded Pipe Fittings Shipment by Haihao Group
Haihao Group has successfully completed the production and delivery of a diverse batch of threaded pipe fittings designed for industrial piping systems. This shipment includes multiple types of fittings such as pipe nipples, couplings, and reducers, meeting different connection and installation requirements.
Each threaded pipe fittings product is manufactured with precision to ensure reliable sealing performance, durability, and long-term service stability.
Project Overview
This order covers several types of threaded pipe fittings, including both carbon steel and stainless steel materials, as well as galvanized options for enhanced corrosion resistance.
Product Specifications:
- Double End Threaded Pipe Nipple
- Size: 1/2″
- Material: A105N
- Thickness: SCH 160
- Length: 2 inch
- Hot-Dip Galvanized Double End Threaded Pipe Nipple
- Size: 1/2″
- Material: A105N
- Thickness: SCH 80
- Length: 2 inch
- Threaded Coupling (Female Thread, Galvanized)
- Size: 1″ × 3/4″
- Material: ASTM A105
- Pressure Rating: 3000#
- Single End Threaded Pipe Nipple (Thread x Bevel End)
- Size: 1/2″
- Material: ASTM A312 SS321
- Thickness: SCH 80S
- Length: 4 inch
- Concentric Threaded Reducer (Galvanized)
- Size: 3/4″ × 1/2″
- Material: A105N
- Thickness: SCH 80
- Length: 3 inch
These threaded pipe fittings provide flexible solutions for various piping configurations.

Haihao Group A105N and ASTM A312 SS321 threaded pipe fittings
Versatile Design for Easy Installation
The threaded pipe fittings are designed for convenient installation and secure connections without the need for complex welding processes.
Key Advantages:
- Easy assembly and disassembly
- Reliable sealing performance
- Suitable for confined or maintenance-sensitive environments
- Cost-effective installation
These benefits make threaded pipe fittings widely used in many industrial systems.
Material Options and Performance
Haihao Group provides multiple material choices for threaded pipe fittings, ensuring adaptability to different working conditions.
Material Highlights:
- A105N Carbon Steel: Strong and economical for general applications
- Galvanized Steel: Enhanced corrosion resistance for outdoor or humid environments
- SS321 Stainless Steel: Excellent high-temperature resistance and oxidation resistance
This range allows threaded pipe fittings to perform reliably in diverse environments.
Galvanized Coating for Corrosion Protection
Some products in this shipment feature hot-dip galvanizing, which significantly improves the durability of threaded pipe fittings.
Coating Benefits:
- Protection against rust and corrosion
- Extended service life
- Suitable for water and outdoor systems
- Reduced maintenance requirements
This ensures that threaded pipe fittings remain reliable even in harsh conditions.
Quality Control and Inspection
Haihao Group applies strict quality control procedures to every threaded pipe fittings product.
Inspection Includes:
- Dimensional inspection
- Thread accuracy verification
- Material testing
- Surface quality checks
Each threaded pipe fittings product is carefully inspected before shipment to ensure consistent quality.
Applications
The threaded pipe fittings are widely used in:
- Oil & gas systems
- Water supply pipelines
- Industrial fluid systems
- Mechanical and construction projects
Their flexibility and ease of installation make threaded pipe fittings a practical choice for various industries.
This successful shipment highlights Haihao Group’s ability to deliver high-quality threaded pipe fittings tailored to different application needs. With reliable materials, precise manufacturing, and strict quality control, we continue to support global customers with dependable piping solutions.
If you are looking for a trusted supplier of threaded pipe fittings, Haihao Group is your reliable partner.
