Seamless XH A106B SCH80 Black Pipe Nipple (4"–4")

High Demand Item – Frequently Reordered by Contractors and Industrial Buyers

SMP Seamless SCH80 Black Pipe Nipples manufactured from ASTM A106 Grade B seamless carbon steel. Schedule 80 (XH) wall for high-pressure and high-temperature service.

Seamless. NPT both ends. Select size from the dropdown.

Applications

• High-pressure and high-temperature steam and process piping
• Industrial mechanical and process installations
• Oil and gas service requiring seamless construction

Key Features

• ASTM A106 Grade B seamless carbon steel
• Schedule 80 (XH) wall
• Seamless — no weld seam
• NPT threaded both ends

Frequently Asked Questions

What standard?

ASTM A53/A106 Grade B carbon steel. Lead-free brass for brass nipples.

Thread type?

NPT — National Pipe Taper, both ends.

What sizes?

Select from dropdown.

Why Contractors Choose This Product

• ASTM-grade materials for consistent quality
• NPT threads both ends
• Multiple sizes from a single source
• In stock — fast U.S. shipping
• Bulk pricing available