3" 300# Mild Steel Flange – ANSI B16.5, Class 300, High-Pressure Flange

ReflowX SKU: REF-3259

Product Details

Quantity

500
Availability (Lead Time)

0-2 Weeks
Product Location

United Arab Emirates
Condition

Surplus
OEM

ReflowX
Equipment code

CFIHOS-30000304

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Short Description

Durable 3-inch mild steel flange rated for 300# pressure, suitable for high-pressure industrial piping systems. Available in multiple flange types. 500 units EXW UAE.

Description

3" 300# Mild Steel Flange – ANSI B16.5, Class 300, High-Pressure Flange

The 3" 300# Mild Steel Flange is a robust and reliable component designed for high-pressure fluid systems across oil & gas, petrochemical, water treatment, and general industrial applications. Built from high-quality mild steel, this flange meets ANSI B16.5 / ASME B16.5 standards and is available in multiple types including Weld Neck (WN), Slip-On (SO), Socket Weld (SW), Blind (BL), and Threaded.

With a Class 300 pressure rating, this flange ensures safe operation in more demanding pipeline environments. Available with Raised Face (RF) or Flat Face (FF) sealing surfaces and a variety of coating options—including bare, galvanized, or painted finishes—to meet operational and environmental requirements.

The flanges are forged, cast, or plate-cut to industry specifications for strength and long service life. With 500 units in stock and EXW UAE availability, bulk purchase is welcomed, and sale by metric ton is offered.

Specifications:

– Product Name: 3" 300# Mild Steel Flange
– Material: Mild Steel
– Size: 3 inches (DN80)
– Pressure Rating: 300# (Class 300)
– Flange Type: Weld Neck (WN), Slip-On (SO), Socket Weld (SW), Blind (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 steel, galvanized, or painted (as requested)
– Manufacturing Process: Forged, cast, or plate-cut
– Weight: Depends on flange type and wall thickness
– Usage: High-pressure sealing in pipeline and process systems
– Quantity Available: 500 pieces
– Location: EXW UAE
– Price: Please inquire
– Certification: No certification (unless specified)
– 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

Technical Details

Width	168.3 mm
Weight	4.1 kg
ISO 15926 Pt 4	1828
PCA RDS Code	RDS13307654
CFIHOS ID	CFIHOS-30000304
IFC Class	IfcPipeFitting
Lower Limit Design Temperature	-29°C
Lower Limit Design Pressure	740 PSI

General Terms

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Buyers should verify quantities and conditions upon delivery.
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