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Threeway Steel Co.,Ltd, located in Hunan, China, is a leading company engaged in meeting the growing demands from all over the world with a variety of competitive steel products for the construction and allied industries.Our main products are Seamless steel pipes, ERW, SSAW, LSAW pipes with production capacity of 3,000,000MT per year. All of our products are manufactured strictly following by the international standard, such as API, ASTM, JIS, DIN, EN, BS. Main Products Range: Seamless steel pipe: OD: 1/4 inch-30 inch, wall thickness: 1.25mm to 50mm, ERW steel pipe/ HFI steel pipe: OD:1/8 inch to 24 inch, wall thickness: max 26.5mm LSAW steel pipe: OD:219-1820mm , wall thickness: max 65mm SSAW steel pipe: OD 219 -4064mm, wall thickness: 3.2 -25.4mm Galvanized Steel Pipe: OD 10 -219mm, wall thickness: 0.8 -9mm Hollow Section Tube: OD 15 – 600mm, wall thickness: 0.5-16mm