Established in 1994, Songhai Flange specializes in manufacturing high-quality stainless steel flanges for global industrial applications. With state-of-the-art CNC machining centers and stringent quality control processes, we deliver products that meet ASME, DIN, and JIS international standards.
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Compare Class 300 and Class 600 flanges, including pressure rating, temperature derating factors, flange class select...
Class 300 vs Class 600 Flanges: Pressure Rating, Temperature Derating and Selection Guide
Blog Flange technology Oil & Gas Industry Power Generation Industry Specifications
Learn whether RF and FF flanges can be mated, why face type mismatch affects gasket compression, and how to choose sa...
Can You Mate RF and FF Flanges? A Practical Guide for Safe Flange Connections
Blog Flange technology Oil & Gas Industry Specifications Water Treatment Industry
A practical ASME B16.5 guide covering the 2025 latest edition, NPS 1/2 through NPS 24 scope, flange classes, dimensio...
ASME B16.5 Flange Guide: 2025 Latest Edition, Scope, Ratings and Dimensions
Blog Flange technology Oil & Gas Industry Specifications Standard Specification
A practical guide to ANSI flange dimensions, ANSI flange sizes and flange ratings, including the real meaning of Clas...
ANSI Flange Guide: Dimensions, Sizes, Ratings and Class 150 vs Class 600
Blog Flange technology Oil & Gas Industry Specifications Standard Specification
Casting vs forging explained for industrial flange buyers: compare grain flow, mechanical properties, defect risks, c...
Casting vs Forging: How to Choose the Right Manufacturing Process for Industrial Flanges
Blog Flange technology Oil & Gas Industry Specifications Standard Specification
A professional weld neck flange guide covering socket weld vs weld neck flange differences, advantages, standards, di...
Weld Neck Flange Guide: Socket Weld vs Weld Neck Flange, Uses, Standards and Selection
Blog Flange technology Oil & Gas Industry Specifications Welding technology
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