Elbow Grade-to-Service Selector

Match a butt weld elbow grade to your service. Carbon (A234), low-temp (A420), low-alloy Cr-Mo (A234 WP-series) and stainless (A403).

Get a Grade-to-Service spec sheet →

Guidance only — confirm against your design code (ASME B31.3), required impact/corrosion testing and project specification. Synbase certifies each grade to ASTM A234/A403/A420 with an EN 10204 3.1 MTC.