LRQA Certificate of Approval
Product
Duplex （Super Duplex） Stainless Steel Seamless Tubes
This kind of steel has the characteristics of Austenite and Ferritic stainless steel. Compared with ferritic steel, it has higher plasticity and toughness, no room temperature brittleness, and significantly improved intergranular corrosion resistance and welding performance.
Stainless steel High purity BA/EP Tubes
Clean pipe tube with smooth surface, high precision tolerance, excellent inner surface roughness, inner surface Ra < 0.4 m characteristics.
Nickle Alloy Materials
Nickle alloy refers to a kind of alloy with comprehensive properties such as high strength and certain anti-oxidation corrosion ability at 650~1000℃.
Stainless Steel Welded Tubes for Heat ex-changer
In addition to providing large-size welded pipes for chemical industry, we can also produce small-size tubes for heat ex-changers and boiler , which make up for the blank of ultra-thin heat ex-changer tubes.
Stainless Steel Welded Pipe for Chemical Industry
This is the dominant product of our company which is mainly applied as container or bearing pipe in oil refining, fine chemical industry, cold air [LNG, air separation unit, etc.], paper-making and shipbuilding areas.
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