4" 300# Mild Steel Flange – ANSI B16.5, Class 300, High-Pressure Piping Flange

The 4" 300# Mild Steel Flange is a heavy-duty industrial flange engineered for high-pressure applications in critical sectors such as oil & gas, water treatment, petrochemicals, and general industrial piping. Compliant with ANSI B16.5 / ASME B16.5 standards, this flange is available in multiple types including Weld Neck (WN), Slip-On (SO), Socket Weld (SW), Blind (BL), and Threaded, providing flexibility for system design and installation.

Constructed from durable mild steel, this flange is suitable for service in harsh environments and is available with Raised Face (RF) or Flat Face (FF) sealing surfaces. Coating options include bare steel, galvanized, or painted, ensuring resistance to environmental wear and corrosion.

Produced through forging, casting, or plate-cutting, the flange delivers consistent performance and structural integrity. With 300 pieces in stock and EXW UAE availability, this product is ready for immediate dispatch. Bulk sales per metric ton are welcomed.

Specifications:

– Product Name: 4" 300# Mild Steel Flange
– Material: Mild Steel
– Size: 4 inches (DN100)
– Pressure Rating: 300# (Class 300)
– Flange Type: WN, SO, SW, BL, or Threaded
– Standard: ANSI B16.5 / ASME B16.5
– Face Type: Raised Face (RF) or Flat Face (FF)
– Application: Oil & gas, petrochemical, HVAC, water treatment, structural piping
– Coating: Bare, galvanized, or painted
– Manufacturing Process: Forged, cast, or plate-cut
– Weight: Depends on flange thickness and type
– Usage: High-pressure connections in critical pipeline systems
– Quantity Available: 300 pieces
– Location: EXW UAE
– Price: Please inquire
– Certification: No certification provided
– Sale Unit: Per piece or per metric ton
For further specifications or to inquire about this equipment and ReflowX's logistics services, Please contact ReflowX at info@reflowx.com