The operators are mainly plumbers and argon arc welders, and the argon arc welder shall have the certificate issued by relevant departments.Stainless steel grade group Series & mdash; Chromium nickel manganese austenitic stainless steel series & mdash; Chromium nickel austenitic stainless steel model & mdash; Good ductility,Worgl304 stainless steel pipe fittings, used for molding products. It can also be machined to harden rapidly. Good weldability. The wear resistance and fatigue strength are better than those of stainless steel.Worgl,　　— The corrosion resistance is the same and the strength is better because the carbon content is relatively high.Therefore, the field with high utilization rate of stainless steel with high competitiveness and comprehensive quality will also be an important part of the plan.Mamoutzou,The specific steps of continuous casting billet process of stainless steel pipe fittings are as follows: according to different steel grades, the vibration process of mold is matched with protective slag, which can improve the yield of %, save energy and shorten the production cycle, so as to improve the yield of molten steel.Stainless steel seamless steel pipe for structure (instead of gbt-)Various welding methods of combined welding stainless steel welded pipe have their own advantages and disadvantages. Combined welding methods include argon arc welding plus plasma welding, high-frequency welding plus plasma welding

Model & mdash; It has better temperature resistance.Low temperature processing --- martensitic stainless steel is quenched from austenitizing temperature and then cooled to very low temperature to promote the quenching of martensite. It is suitable for stainless steel which is easy to produce retained austenite. Series & mdash; Heat resistant chromium alloy steel.middleman,W = (outer diameter wall thickness) & times; wall thickness & times; . = KGM (weight per meter).. Raw material problem of stainless steel pipe. If the hardness is too low, it is not easy to polish (BQ is not good). If the hardness is too low, orange peel is easy to appear on the surface during deep drawing, which affects BQ performance. BQ with high hardness is relatively good.Model & mdash; Add a small amount of sulfur and phosphorus to make it easier to cut.

Model & mdash; Commonly used precipitation hardening stainless steel model, usually also called -; %Cr,%Ni.demand,Worgl2205 duplex stainless steel pipe,WorglCentennial stainless steel water pipe,After molten steel casting, stainless steel pipe fittings generally adopt the same vertical, vertical bending or arc continuous caster as carbon steel. The refined molten steel is poured into the ladle the ladle to be poured is transferred above the tundish mouth through the rotary table, and then the molten steel is tundish through the long nozzle. The molten steel in tundish enters the mold through the submerged nozzle for forming, condensation and continuous downward movement.Stainless hot plate (grade I) GB- stainless cold strip (grade I)Flux coated welding wire is used for backing welding,Raw materials -- strip splitting -- welded pipe making -- heat treatment -- Correction -- straightening -- end repair -- pickling -- Hydrostatic Test -- Inspection (spray printing) - packaging -- delivery (warehousing) (pipes for welded pipe industrial piping).Rockwell hardness the Rockwell hardness test of stainless steel pipe is the same as Brinell hardness test. The difference is that it measures the depth of indentation. Rockwell hardness test is widely used at present, and HRC is second only to Brinell hardness Hb in steel pipe standards. Rockwell hardness can be used to measure metal materials from very soft to very hard, which makes up for the disadvantage of Brinell method, It is simpler than Brinell method and can read the hardness value directly from the dial of the hardness machine. However, due to its small indentation, the hardness value is not as accurate as Brinell method.Stainless steel pipe cost = actual thickness divided by thickness adjustment price + freight + processing fee. Coil price is switched to flat plate price = coil price, actual thickness adjustment + leveling fee . Flat plate price is switched to coil price = plate price, thickness adjustment - leveling fee . Coil length = coil net weight . Coil width. Actual thickness including tax price algorithm = total weight of goods ( represents points, is points)