Black steel pipe nipples are steel pipe connectors made by a special blackening process. The surface of the steel pipe is chemically blackened and then coated with anti-rust oil, which has excellent anti-corrosion properties. It is the most commonly used pipe fitting in industrial piping systems. This product complies with American standards and is mainly used for the connection of industrial buildings, crafts and piping systems to ensure the stability and sealing of the piping system. Its surface blackening treatment not only improves the aesthetics, but also enhances durability and is suitable for a variety of environmental conditions. The product is widely used in construction, machinery manufacturing, chemical industry and other fields. It is mainly shipped to American countries and is an ideal choice for high-quality pipe connection solutions.

**Thread Standard**

- Supports a variety of international standard threads, including:

- **ISO7/1 (BSP)**: International general pipe thread.

- **ISO228-1**: Non-threaded sealing pipe thread.

- **NPT, NPSC, ANSI/ASME B1.20.1**: American standard pipe thread.

- **DIN2999 (German standard pipe thread).

- **G (Russian standard)** and other countries' thread standards.

- Specific thread standards can be customized according to customer needs to meet the diverse needs of the global market.

**Product standards**

- **BS EN10241**

- **ASTM A733**

- **DIN 2982**

 **Specification parameters**

- **Specification**: DN6~DN150 (1/8"~6").

- **Process**: cutting, external treatment, machining, rust prevention, packaging.

- **Material**: S235, ST37, A53 Gr.B

- **Wall thickness**: SCH10-SCH160

- **Steel pipe**: welded pipe or seamless pipe

- **Pressure**: 1.6MPa-5.0MPa

 **Packing requirements**

Conventional carton and wooden pallet packaging, can be customized as required.

 **Customized service**

-For further information or customized products, please contact our sales team.