▎ 摘　　要

NOVELTY - High strength conversion flange comprises a steel material and a coating material, and the coating material and the steel material according to parts by weight are as follows 1:100.to 200, the steel material according to the element mass percentage comprises 1.12-1.56 wt.% carbon, 0.44 to 0.54 wt.% silicon, 0.52 to 0.60.% manganese, 0.30.to 0.48 wt.% chromium, 0.62 to 0.68 wt.% nickel, 0.46 to 0.58 wt.% molybdenum, 0.19 to 0.25 wt.% gallalium, 0.025 to 0.035 wt.% Rhenium, 0.016 to 0.022 wt.% zirconium, 0.032 to 0.048 wt.% lutetium, 0.24 to 0.32 wt.% strontium, phosphorus is less than or equal to 0.02 wt.%, sulfur is less than or equal to 0.03 wt.% and the balance is iron. USE - High-strength conversion flange. ADVANTAGE - The flange effectively improves the wear-resistant performance of the high-strength conversion flange antibacterial performance and sealing performance, it can effectively carry out liquid absorption expansion sealing locking process after leakage, convenient to find leakage problem in time, can effectively avoid the leakage threat of the conversion flange for continuous use to avoid greater loss, nano-silver particles composite of conductive graphene and graphene oxide, nano-silicon dioxide and nano yttrium oxide are inserted and compounded to the hydrogel electrostatic spinning forms coating material of fibre- shaped structure, it can effectively combine the components of the coating material quickly and compositional treatment ensuring the comprehensive performance of the coating material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a processing technique of high strength conversion flange, involving: a. weighing the parts by weight of the steel material and the coating material of acrylamide, vinylimidazole, ammonium persulfate, graphene oxide, silver nitrate, glucose, nano silicon dioxide, nano yttrium oxide, and de-ionized water; b. adding acrylamide, vinyl imidazole, ammonium persulfate, graphene oxide, silver nitrate, glucose, nano silicon dioxide, nano yttrium oxide to the spiral jet mill for processing; c. obtaining the mixed material, adding the mixed material into the de-ionized water, performing water bath ultrasonic treatment for 20-30 minutes to obtain the mixed material b; d. electrostatic spinning, where the mixed material b obtain the coating material; e. adding the raw material into the intermediate frequency induction furnace according to the mass percentage of each component of the steel material; f. heating to 1380-1460 degrees centigrade, keeping the temperature for 2 hours, obtaining the molten steel c, adding the molten steel c into the forming mold; g. cooling and demoulding to obtain the conversion flange, carrying oconversion h. taking the coating material of half parts by weight prepared in step four as base material, performing vacuum spraying treatment to the conversion flange e, and cooling to obtain the conversion flange f; i. performing plasma cleaning to the conversion flange f using gas as hydrogen to obtain the conversion flange g; j. taking the residual coating material as base material, performing vacuum spraying treatment to the conversion flange g, and cooling to obtain semi-finished product conversion flange; k. performing plasma, cleaning to the semi-finished product conversion flange and using gas as hydrogen to obtain high-strength conversion flange.