Huashang Steel's Duplex Steel Seamless Tube are produced using a unique controlled rolling and controlled cooling process to ensure that the ferrite-austenite ratio is optimally balanced. The products have high strength and excellent corrosion resistance, and are particularly suitable for key equipment such as submarine Tubelines and pressure vessels. Our production line is equipped with a fully automatic temperature-controlled heat treatment furnace and an online hardness testing system, and each batch of products comes with a complete third-party test report. Specially treated Tubes that resist sulfide stress corrosion cracking can be provided according to NACE MR0175 standards.
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