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ISO 9330 standard submerged arc welded steel pipe
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ISO 9330 standard submerged arc welded steel pipe
Submerged arc welded steel pipe is a common type of welded steel pipe, commonly used for pressure applications such as boilers, pressure vessels, and chemical equipment. The production of submerged arc welded steel pipes needs to follow specific international standards to ensure that their quality and performance meet the requirements. In the ISO 9330 standard, there are provisions regarding submerged arc welded steel pipes. The following is the relevant standard information:
ISO 9330-5:2000
ISO 9330-5: 2000 is a standard that specifies the technical delivery conditions for submerged arc welded non alloy and alloy steel pipes. This standard specifically targets alloy steel and special steel welded joints, specifying their low-temperature performance. This means that the performance of steel pipes in low-temperature environments has been clearly defined, which is crucial for the reliability and safety of steel pipes at extreme temperatures.
ISO 9330-4:2000
ISO 9330-4: 2000 is another standard related to submerged arc welded steel pipes, which specifies the technical delivery conditions for circular cross-section submerged arc welded pipes made of non alloy steel or alloy steel with specified high-temperature properties. This standard applies to steel pipes that work in high-temperature environments and can withstand high temperatures without losing their mechanical properties.
Other relevant standards
In addition to the above two standards, there are other relevant standards such as ISO 9330-2:1997, which specifies the technical delivery conditions for resistance welded and induction welded pipes made of non alloy steel and alloy steel with specified high-temperature properties. Although this standard is not specifically designed for submerged arc welded steel pipes, it also applies to certain types of submerged arc welded steel pipes, especially those used for specific high-temperature applications.
conclusion
In summary, submerged arc welded steel pipes have clear provisions in the ISO 9330 standard, especially in ISO 9330-5:2000 and ISO 9330-4:2000, which provide detailed specifications for the low-temperature and high-temperature performance of submerged arc welded steel pipes. These standards ensure that the quality and performance of steel pipes meet specific application requirements, thereby ensuring safe and reliable use.
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