SHH STEEL offers JIS G3444 carbon steel welded pipes for general structural use. JIS G3444 specifies STK290-540 grades for civil engineering, machinery, and frames up to 660mm diameter. Strong, certified quality, competitive prices, customizable. Trust SHH STEEL!

JIS G3444 Steel Structural Profiles

Steel Welded Pipes

SHH STEEL, a premier Steel Welded Pipes exporter, produces and exports steel welded pipes for structural and fluid transport applications. Our products, like ASTM A53, ensure strength and durability. With a 5,000-ton inventory, we deliver in 3–5 days, backed by SGS/TUV inspections and mill certificates. Choose SHH STEEL for ASTM A53 welded pipes and custom solutions for infrastructure.

Steel Welded Pipes

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SHENGHONGHE IMPORT AND EXPORT CO.,LTD (SHH STEEL), established in 2010, is a modern and diversified industrial group headquartered in Shanghai, China.

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