Flange Technical Guides & Industry News
Technical guidance on flange materials, standards, inspection, applications and industrial procurement.
PMI, UT and Hardness Testing for Alloy Steel Flanges
How PMI, UT and hardness testing work together in an alloy steel flange inspection plan.
Class 600 vs Class 900 Alloy Steel Flanges
What changes between Class 600 and Class 900 alloy steel flanges, and how engineers select correctly.
F22 Weld Neck Flanges for Refinery Piping
Engineering and procurement guidance for ASTM A182 F22 weld neck flanges in refinery piping.
How to Select Alloy Steel Flanges for High-Temperature Service
A step-by-step engineering and procurement guide to alloy steel flanges for elevated-temperature piping.
How to Protect Alloy Steel Flanges During Storage and Shipping
A preservation and packing checklist for alloy steel flanges from final inspection to site installation.
Forged vs Cast Flanges: Which Is Safer for Critical Piping?
A balanced engineering comparison of forged and cast flanges for critical pressure-piping applications.
How to Read ASTM A182 Flange Markings
A field guide to interpreting ASTM A182 and ASME B16.5 flange identification and traceability.
Hardness Testing Requirements for F11, F22 and F91 Flanges
A practical guide to specifying and interpreting hardness tests on chrome-moly alloy steel flanges.
NDT Inspection Methods for Forged Alloy Steel Flanges
A buyer-focused guide to non-destructive testing methods for forged alloy steel flanges.
What Should an EN 10204 3.1 Material Certificate Include?
A buyer’s checklist for reviewing EN 10204 3.1 certificates supplied with alloy steel flanges.