As a high-performance, multi-purpose material in the modern industrial field, ASMESA790 stainless steel pipes stand out among many metal pipes due to their unique properties and wide application fields.
Details of ASMESA790 duplex stainless steel pipes
The products should be confirmed to meet the requirements of TSGD7002 “Type Test Rules for Pressure Piping Components”.
ASME SA-790/SA-790M seamless and welded ferritic/austenitic stainless steel pipe specifications.
Common product grades are: UNS S31260, UNS S31500, UNS S31803. UNS S32101, UNS S32205, UNS S32304, UNS S32750
Product outer diameter 20~762mm wall thickness 2.0~120mm
Product production method: cold rolling, cold drawing, hot rolling, welding, delivery status: heat treatment + pickling
First, the material characteristics of ASMESA790 stainless steel pipe
The stainless steel pipe under the ASMESA790 standard is mainly made of duplex stainless steel. This steel combines the advantages of austenitic stainless steel and ferritic stainless steel, showing excellent mechanical properties and corrosion resistance. In its typical chemical composition, the appropriate addition of chromium, nickel, molybdenum, and nitrogen not only enhances the steel’s resistance to pitting, crevice corrosion, and stress corrosion cracking but also maintains a good balance of strength and toughness. Especially in environments with high temperature, high pressure and corrosive media such as chlorides, ASMESA790 stainless steel pipes show excellent stability and durability.
Second, the production process of ASMESA790 stainless steel pipes
The production process of ASMESA790 stainless steel pipes is complex and delicate, mainly including raw material preparation, smelting, hot rolling, cold rolling (or cold drawing), heat treatment, pickling, polishing, inspection, and other links. Among them, the smelting process strictly controls the chemical composition to ensure the basic performance of the material; the hot rolling and cold rolling processes give the pipes good dimensional accuracy and surface quality through precise temperature control and mechanical deformation; heat treatment is a key step to adjust the internal structure of the pipe and improve the material performance; finally, the strict inspection process ensures that every ASMESA790 stainless steel pipe shipped meets the standard requirements.
Third, the application field of ASMESA790 stainless steel pipes
ASMESA790 stainless steel pipes are widely used in many industries due to their excellent performance. In the field of oil and gas, as a key component of pipelines and wellhead devices, it can withstand harsh working conditions and ensure the safe transportation of oil and gas resources; in the chemical industry, its excellent corrosion resistance makes ASMESA790 stainless steel pipe the preferred material for handling corrosive media; in addition, in the fields of marine engineering, shipbuilding, nuclear power, food processing, etc., ASMESA790 stainless steel pipe also plays an irreplaceable role.
Fourth, the performance advantages of ASMESA790 stainless steel pipe
1. High strength and high toughness: The duplex stainless steel structure gives ASMESA790 stainless steel pipe excellent mechanical properties, which can work at high strength and maintain good toughness at low temperatures, effectively resisting the risk of fracture.
2. Excellent corrosion resistance: It is particularly suitable for environments containing corrosive media such as chloride ions, significantly reducing equipment maintenance costs and extending service life.
3. Good weldability: Compared with conventional austenitic stainless steel, ASMESA790 stainless steel pipe has better welding performance, reduces the risk of welding cracks, and improves engineering safety.
4. Good economy: Although the initial investment may be slightly higher than some ordinary stainless steel materials, its low maintenance cost and long life in long-term operation make the overall economy better.
Fifth, maintenance of ASMESA790 stainless steel pipe
To ensure the long-term stable operation of ASMESA790 stainless steel pipe, proper maintenance is essential. First, the surface of the pipe should be checked regularly for scratches, corrosion, or leakage, and potential problems should be discovered and dealt with in time; second, the pipeline system should be kept clean to avoid corrosion caused by impurities accumulation; in addition, under special working conditions, such as high temperature, high pressure or highly corrosive environment, additional anti-corrosion measures should be taken according to the specific situation, such as coating anti-corrosion coating or electrochemical protection.
In summary, ASMESA790 stainless steel pipe has become an indispensable and important material in modern industry with its unique material properties, exquisite production technology, wide application fields, significant performance advantages, and necessary maintenance measures. With the advancement of science and technology and the development of industry, ASMESA790 stainless steel pipe will surely show its unique charm in more fields and contribute to the progress of human society.
Post time: Jun-16-2025