1. pretreatment of pickling passivationbefore picking and passivation of stainless steel workpiece, if there is surface dirt, etc., it should be mechanically cleaned, and then degreasing and degreasing. if the pickling solution and passivation solution cannot remove grease, the presence of grease on

super stainless steel and nickel-based alloys are special stainless steel. first of all, they are different from ordinary stainless steel in chemical composition. they refer to a high alloy stainless steel containing high nickel, high chromium, and high molybdenum. among them, the more famous one i

componentsone. conventional elbow operation1. hold the tube bender forming handle or fix the tube bender to the vise.2. loosen the hook and raise the slider handle.3. place the pipe in the forming tray groove and fix it in the forming tray with a hook.4. lower the slider handle until the "0" scale l

new energy vehicles use more transmission lines. we can see the necessity of lightweighting new energy vehicles from the amount of nonferrous metal copper. the amount of copper used in each fuel-powered vehicle is about 25 kg, while the amount of copper used in plug-in hybrid vehicles is 40 kg to 50

petrobras (brazil) issued a communiqué on the 29th that the company's four offshore floating production storage and offloading units (fpso) recently set a new record of single-day oil production in the buzius oil field with a shareholding of chinese oil companies, reaching 66. 40,000 barrels.    fp

according to a report by grand view research inc., the global natural gas pipeline infrastructure market is expected to reach us$3.228 trillion in 2027. according to the report, during the forecast period, this growth will be a compound annual growth rate of 3.4% based on revenue/quantity. increased

speaking of the bending machine, it is actually a kind of curved aluminum alloy material. so what is the application of the forged flange for the horizontal bending machine? the following relevant people will do a detailed analysis on this issue.in general, model forging performed on a horizontal be

forged flange is a kind of product with good mechanical properties in flange products, but many people do not know how the flange works. in the face of this situation, the staff of the flange forging below will do detailed for everyone. introduction.from the flange forging process, the forged flange