Carbon Steel Weld Neck Flange 300# Raised Face – Import Non-China

High Demand Item – Frequently Reordered by Contractors and Industrial Buyers

SMP Carbon Steel Weld Neck Flanges are butt-welded to the pipe and provide superior strength for high-pressure and high-temperature service. ASTM A105/A105N. ASME B16.5.

Raised face (RF). Butt weld. Select size from the dropdown.

Applications

• High-pressure and high-temperature piping
• Critical flanged connections
• Industrial process, oil and gas, and power generation

Key Features

• Butt weld — superior strength for critical service
• ASTM A105/A105N
• ASME B16.5
• Multiple sizes

Frequently Asked Questions

What standard does this flange conform to?

ASME B16.5 dimensions. ASTM A105/A105N material.

What pressure class?

300# — see product title.

What face type?

Raised face (RF) unless otherwise noted.

What sizes?

Select from the dropdown above.

Why Contractors Choose This Product

• SMP carbon steel flanges conform to ASME B16.5 and ASTM A105/A105N
• Available in 150#, 300#, and 600# pressure classes
• Raised face (RF) — standard gasket compatibility
• Import Non China — sourced from qualified manufacturers
• Multiple sizes in stock — fast shipping from U.S. warehouses