Pipe Nipples

High-Quality Material: Made from 316 stainless steel for excellent resistance to corrosion, oxidation, and harsh chemical environments.

Standard Compliance: Fully compliant with ASTM A312 specifications for chemical

Precise Threading: Threaded ends, available in NPT standards

Wide Size Range: Sizes from 1/8” to 8” with various length options to suit different piping systems.

Versatile Applications: Ideal for chemical, pharmaceutical, marine, food, and water treatment piping systems.

Custom & Sample Orders: Small batch samples and custom lengths or thread types can be provided to meet your project requirements.

Safe Packaging: Individually or bulk packed with anti-scratch and anti-rust protection for safe shipping and storage.

Electro-galvanized finish per ASTM A153 for long-lasting corrosion protection.

NPT threads machined to ASME B1.20.1 for leak-free, precise fit.

Material: Carbon Steel A53 / A106 Grade B – Available in Schedule 40 and Schedule 80

Standard sizes are suitable for water supply, irrigation, fire protection, and outdoor piping, and can also be customized to meet your requirements.

Factory direct supply — competitive pricing for bulk and container orders

Custom services offer more choices for length, diameter, and surface treatment.

Seamless Construction — No weld seam, uniform wall thickness throughout

NPT Threads — Machined to ASME B1.20.1 for leak-free assembly

Manufacturer Direct — Produced in-house, no middleman, competitive pricing

Bulk Supply Ready — Container-load orders supported, mixed sizes available

Mill Test Certificates — Available upon request for all orders

North America Export — Consistent supply for US and Canadian distributors

Superior thread quality and natural corrosion resistance

Precision NPT Threads — Machined to ASME B1.20.1 for consistent, leak-free fit

Full range of configurations from the same production line

Manufacturer Direct — No middleman, factory pricing for bulk and container orders

Export — Reliable supply for US, Europe, India, and Australia distributors

Q: What does “black” finish mean on pipe nipples?

A: Black pipe nipples have a black sand blast surface applied to the center body, providing basic surface protection and a clean appearance. Unlike galvanized nipples, they are not intended for direct water contact or outdoor exposed applications.

Q: Are black pipe nipples suitable for gas lines?

A: Yes. Black carbon steel pipe nipples are the standard choice for natural gas and propane distribution lines in residential and commercial installations, as galvanized coatings can flake and cause issues in gas systems.

Q: Can I order mixed sizes in one shipment?

A: Yes, we support mixed-size orders and container-load shipments combining multiple sizes and specifications.

Q: What is the difference between black and galvanized pipe nipples?

A: Black nipples are used primarily for gas, steam, and industrial applications. Galvanized nipples have a zinc coating for corrosion resistance and are preferred for water supply and outdoor use.

As a China-based pipe fitting manufacturer with years of experience supplying the American and European markets, we specialize in producing stainless steel, carbon steel, and brass pipe nipples and couplings. Our facility is equipped with precision CNC threading machines and dedicated quality control processes to ensure every product meets ASTM and ASME standards.

We supply distributors, wholesalers, and industrial buyers across the United States and Canada, offering consistent product quality, competitive factory-direct pricing, and reliable lead times on both standard and custom orders.

Our SS304 pipe nipple offers superior corrosion resistance and durability for demanding industrial applications. Manufactured from high-grade stainless steel 304 material, this 1/2 inch pipe nipple features precision NPT (National Pipe Thread) threading for secure, leak-proof connections.

Key Features:

  • Material: Stainless Steel 304 (1.4301, X5CrNi18-10)
  • Size: 1/2 inch (DN15)
  • Thread Type: NPT (National Pipe Tapered Thread)
  • Standard: ASME B16.11, ASTM A403
  • Length Options: 2″, 3″, 4″, 6″, 8″, 10″, 12″ (custom lengths available)
  • Surface Finish: Bright annealed or pickled & passivated
  • Pressure Rating: Up to 6000 PSI

Applications: Perfect for oil & gas, petrochemical plants, food & beverage processing, pharmaceutical equipment, water treatment systems, and marine installations where corrosion resistance is critical.

Quality Assurance: Each pipe nipple undergoes 100% dimensional inspection and thread gauge testing. ISO 9001:2015 certified manufacturing. Material test certificates (MTC) provided with every order.

Minimum Order: 50 pieces | Free Samples Available | Delivery: 7-14 days