This is a high-quality 4" weld neck flange, constructed from Inconel 625 (ASTM B564 UNS N06625). It is designed for demanding applications requiring high strength and corrosion resistance. Compliant with ASME B16.5 standards, it features a Raised Tongue and Groove (RTJ) facing and is rated for Class 1500 service. Suitable for NACE MR0175/ISO15156 environments.

Key Specifications

Nominal Pipe Size	4"
Flange Type	Weld Neck
Schedule	S-40S
Pressure Class	1500#
Facing Type	RTJ (Ring Type Joint)
Material	Inconel 625 (ASTM B564 UNS N06625)
Standard	ASME B16.5
NACE Compliance	MR0175 / ISO15156

Application & Use

This flange is ideal for use in high-pressure and corrosive environments, such as those found in the oil and gas, chemical processing, and marine industries. The Inconel 625 construction provides excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. The RTJ facing ensures a reliable and leak-tight seal in demanding applications.

Condition & Availability

Please contact us for current availability and lead times. All flanges are inspected to ensure they meet the specified standards and quality requirements.