MPa sample concentrated load located in the middle of the next two supporting role to break the 201 stainless steel tube at wholesale, the maximum positive pressure endured 8PL broken section of round specimen: σbb = - πd 8PL rectangular sample: σbb = - 2bh where P-- specimen withstand the maximum concentrated load (N) L-- span between two supporting points (mm) outside diameter of the sample cross-section of d-- circle (mm) b-- rectangular cut the interview The sample width (mm) h-- specimens of rectangular cross-section width (mm) allows the depth of the straight. Hot-rolled, hot extruded steel tube, 140mm in diameter and is equal to not more than 5% of the nominal wall thickness, maximum depth of less than 0.5mm; cold drawn (rolled) pipe wall thickness of not more than 4% of the nominal maximum depth of not more than 0.3 mm. E, both ends of the pipe should be cut at right angles to the wholesale stainless steel tube and remove burrs. American Iron and Steel Institute with three digits to indicate a variety of standard grade stainless steel malleable. Where: ① austenitic stainless steel 200 and 300 series of numerals, ② ferritic and martensitic stainless steel 400 series numbers. Such as seamless stainless steel pipe wholesale, some of the more common austenitic stainless steel is 201, 304, 316 and 310 marks, ③ ferritic stainless steel is marked 430 and 446, martensitic stainless steel is 410,420 and 440C for the tag, duplex (austenitic - ferritic), ④ stainless steel, precipitation hardening stainless steel and high alloy iron content below 50% usually uses proprietary name or trademark name 202 stainless steel pipe wholesale _ Shengda Po-20 _ Wholesale Stainless Steel Pipe in Baoding provided by Tianjin Bao Jie Shengda Trading Company. Bao Jie Tianjin Shengda Trading Company (www.sdbjsm.com) is Tianjin, hardware leader, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Shengda Po-commerce leader in the staff warmly welcome all inquiries negotiations to create Shengda Po-commerce a better future.