Butt welded elbow elbow manufacturing standards are forged steel hot forming or molding of the elbow, which is directly connected to form the elbow and pipe welding, butt welding elbow major manufacturing standards generally GB / T12459, GB/T13401, ASME B16.9, SH3408, SH3409, HG/T21635, HG/T21631, SY/T0510. Welded elbow classification 1) welded elbow according to its radius of curvature can be divided into long and short radius bend radius butt welded elbow. The radius of curvature of long radius welded elbow is equal to 1.5 times the pipe diameter, ie R = 1.5D. Short radius of curvature equal to the radius of the pipe diameter welded elbow, that R = D. Where D is the diameter of a professional production of welded elbow 60 degree elbow, R is the radius of curvature. 2) by the angle of the elbow, 45 degree welded elbow, elbow 90 degrees and 180 degrees butt welded elbow. Cathay Pacific Pipeline Equipment Co., Ltd. Hebei is China's national electricity company, Sinopec, designated by the Ministry of Petroleum and chemical suppliers low price 60 degree elbow, is ISO9001-2000 quality assurance system certification enterprises 60 degree elbow, and made "special pressure pipeline manufacturing license. " The company was founded in 1978, covers an area of ??62,700 square meters 60 degree elbow Hebei suppliers, existing staff of 258 people, including 26 managers, professional and technical staff of 31 people, 12 senior titles, intermediate grade 13. The company has fixed assets of 38 million yuan, 56 million yuan of liquidity. 60 degree elbow, Hebei Cathay Welcome, 60-degree elbow by Hebei Hebei provider Cathay. Cathay Pacific Pipeline Equipment Co., Ltd. Hebei (www.hbgtgd.com) in the elbows, flanges, tees, reducers, crosses, the socket, forgings, threaded pipe fittings and other products and other industries have a higher visibility, integrity management, both quality service, welcome to inquire, or consult our "Business League call" it!