Looking for a reliable 45-degree pipe elbow supplier? Our carbon steel elbows meet ASTM A234 WPB and ASME B16.9 standards, available in 10 inches (250 mm) with a wall thickness of 0.593 inches (15.09 mm). These long radius elbows are seamless, SCH80 rated, and feature butt weld (BW) ends for secure connections.