steel elbow Nominal pipe size: 1/2 to 48 inches (DN15 to ... , SCH40, XS, SCH80, XXS 1.Type:steel pipe : 45-degree elbows, 90-degree elbows, 180-degree returns, straight Tees, reducing Tees, caps, concentric reducers ... (for JIS) 6. Available painting: varnish paint, black paint steel elbow