[] Langfang steel welded elbow, carbon steel welded elbow, please contact Cathay Cathay pipeline provided by Hebei. Cathay Pacific Pipeline Equipment Co., Ltd. Hebei (www.hbgtgd.com) had been "Business League certification", please rest assured purchase through the entire network, click on the page check "Business League certification icon," the company authentication information. You can also click on the "Business League Service Icons" on this page directly contact our customer service! Cathay Pacific Pipeline Equipment Co., Ltd. specializes in producing steel of high, medium, low, carbon steel, alloy steel and austenitic stainless steel elbows, flanges, tees, reducers, head, elbow, forged for intubation and threaded fittings and other pipe fittings. All products are American Standard ASME (ANSI), German standard DIN, Japanese standard JIS, Chinese GB / T, JB, SH, HG, such as production of carbon steel welded elbow standard price, but can also vary according to customer requirements of various special difficult, non-standard, special thick-walled pipe fittings series. Manufacturing standards elbow butt welded elbow hot forming of steel or forged carbon steel welded elbow elbow molding, its form is a direct connection with the elbow pipe welding, butt welding elbow The main 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 pipe diameter equal to 1.5 times the production of carbon steel welded elbow, ie R = 1.5D. Short radius bend radius of curvature equal to the pipe diameter welded steel spot welded elbow, ie R = D. Wherein the diameter D of welded 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.