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The connection form of 180 degree elbow is butt welding elbow and steel pipe directly. According to its curvature radius, butt welding stainless steel 180 degree elbows can be divided into long radius and short radius . Pressure grade is divided into about 17 types, which are the same as American pipe standard. The most commonly used are STD ,SCH10,and SCH40 . According to material, they are carbon steel, alloy steel and stainless steel.

Elbow（LR/SR  180°）

180 Degree Elbow Forming Type:

Mandrel-forming (so it will not reduce the wall thickness, extrusion moulding, pressing, colding working, machining, hot –bending, welded, heat treatment.

180 Degree Elbow Size/Dimensions:

seamless fittings 1/2"-32", welded fittings 1/2"-120"

45 Degree Elbow Wall Thickness: SCH5S, SCH10S, SCH10, SCH20, SCH30, SCH40S, STD, SCH40, SCH60, SCH80S, XS, SCH80, SCH120, SCH140, SCH160, XXS

45 Degree Elbow Bending Radius: R=1.0D, 1.5D, 2D, 3D, 5D, 8D, 10D....