SonderborgStainless steel seamless welded pipeApplication development in the market

That is stainless steel. The GB brand is CrNi. & mdash; it has better temperature resistance than it.Stainless steel pipes can be divided into CR series ( Series), Cr Ni series ( Series), Cr Mn Ni series ( Series) and precipitation hardening series ( Series). Series & mdash; Cr Ni Mn austenitic stainless steel series & mdash; Cr Ni austenitic stainless steel.Sonderborg,High pressure water jet cutting (professional water cutting: Shanghai Xinwei)Model & mdash; Martensite (high strength chromium steel), good wear resistance and poor corrosion resistance.Isna,Austenitic stainless steel heat treatment austenitic stainless steel commonly used heat treatment processes are: solution treatment, stabilization treatment and stress relief treatment.The American Iron and Steel Institute uses three digits to identify various standard grades of malleable stainless steel. Among them, some ordinary austenitic stainless steel is marked with and.The numbering rules adopt element symbols; Pinyin, open hearth steel: p; Boiling steel: F; Killed steel: B; Class a steel: a; T: special GCr: ball.

After fine tuning the molten steel temperature in the argon blowing station, it is lifted to the ladle rotary table for continuous casting.The process of this product determines its limited performance. Generally, the precision of seamless steel pipe is low: uneven wall thickness, low brightness on the inner and outer surface of the pipe, and there are pockmarks and black spots on the inner and outer surface, which are not easy to remove; its detection and shaping must be processed offline. Therefore, it embodies its advantages in high pressure high strength and mechanical structure materials.Stabilization treatment. Generally, it is used for - steel containing Ti and Nb in the solid solution treatment line. After the solid treatment, the steel is heated to ~ ℃ for heat preservation and air cooling. At this time, the carbides of Cr are completely dissolved, while the carbides of titanium removal are not completely dissolved, so that it is impossible for the carbon to form chromium carbides again. Professional L stainless steel pipe, s stainless steel pipe and L stainless steel pipe ensure the quality, Guarantee service. Guarantee quality. Your satisfaction is our pursuit! Welcome to inquire. Therefore, intergranular corrosion is effectively eliminated.Trustworthy,Welding,Sonderborg7mm304 stainless steel plate, high frequency preheating plus three torch argon arc welding, the weld quality is equivalent to the conventional argon arc welding and plasma welding, the welding operation is complex, and the whole welding is easy to complete automation. This combination is easy to connect with the existing high-frequency welding equipment, with low investment cost and good benefit. Series & mdash; martensitic precipitation hardening stainless steel pipe.Crimping: during crimping, the convex part of the pipe fitting is placed in the concave groove of the die, and the jaw is perpendicular to the pipe axis.

At low temperature ferritic stainless steel pipe has low-temperature brittleness like carbon steel, but austenitic steel does not. Therefore, ferritic or martensitic stainless steel produces low-temperature brittleness, while austenitic stainless steel or nickel base alloy does not show low-temperature brittleness. Sus (Cr) and SUS (cr) of ferritic stainless steel pipe It shows that the impact value decreases sharply at low temperature. Therefore, it is necessary to pay special attention when using at low temperature. As a way to improve the impact toughness of ferritic series stainless steel, high purification process can be considered. With the help of C and N level, the embrittlement temperature is in the range of - ℃ to - ℃Safety production,Stainless steel is usually divided into stainless steel pipe, stainless steel pipe and ferritic stainless steel according to the matrix structure. Chromium content % ~ %. Its corrosion resistance,SonderborgPrice of 631 stainless steel plate, toughness and weldability increase with the increase of chromium content, and its chloride stress corrosion resistance is better than other kinds of stainless steel.The allowable depth of stainless steel straight track is also required. For hot-rolled and hot-rolled steel pipes, stainless steel pipes with diameter less than or equal to mm and not greater than % of the nominal wall thickness, the large depth is less than or equal to .mm,Sonderborg304 seamless stainless steel pipe, cold drawn (rolled) stainless steel pipes are not greater than % of the nominal wall thickness, and the large depth is less than or equal to .mm.Inspection: after crimping, check the crimping size with a special gauge.Sonderborg,The product quality advantages of continuous casting billet of stainless steel pipe fittings are mainly reflected in that the non grinding rate of the outer surface of the billet except the head and tail section has reached more than %, and the total surface grinding yield has reached %. In order to achieve this goal it is necessary to refine the molten steel, achieve low oxygen and sulfur content, do a good job in the metallurgy of the ladle and tundish, accurately determine the molten steel temperature, and realize no oxidation casting Further reduce the inclusion content.The continuous casting of stainless steel pipe fittings is generally matched with the refining furnace, which has strict requirements on the chemical composition and temperature of molten steel; In order to prevent secondary oxidation of molten steel, non oxidation protection pouring is required during continuous casting production; Strict requirements for refractory materials such as ladle, tundish, nozzle and submerged nozzle.Hardness test: annealed stainless steel pipes with inner diameter of more than mm and wall thickness of less than mm can be tested by w-b Vickers hardness tester, which is very fast and simple, and is suitable for rapid and nondestructive qualification test of stainless steel pipes. For stainless steel pipes with inner diameter of more than mm and wall thickness of more than mm, Rockwell hardness tester shall be used to test HRC hardness. Stainless steel pipes For stainless steel pipes with inner diameter greater than mm and wall thickness less than mm, the surface Rockwell hardness tester shall be used to test HRT or hrn hardness. For stainless steel pipes with inner diameter less than mm and greater than mm, the special Rockwell hardness tester for pipes shall be used to test hrt hardness. When the inner diameter of stainless steel pipes is greater than mm, the Rockwell or surface Rockwell hardness tester can also be used to test the hardness of pipes.