Hunan standard steel co.ltd
Tubes and pipes
Company Overview
Hunan Standard Steel Co.,Ltd (HSCO) operates as an ISO 9001:2008 certified manufacturer within the Husteel Industry Group, a prominent entity with diversified interests including steel manufacturing, real estate, shipbuilding, and equipment production. Located in Changsha city, Hunan, China, HSCO aims to achieve a significant production scale and annual sales, positioning itself among the world's top steel enterprises. The company emphasizes scientific development and quality profitability, supported by a global network of overseas agents and established relationships with major industry players like China Petrochemical Corporation (Sinopec Group), SWCC, and IBERDROLA.
Products and Services
HSCO specializes in a comprehensive range of steel pipes and pipe fittings. Their pipe offerings include seamless steel pipes (hot-rolled and cold-drawn), LSAW, SSAW, and ERW welded steel pipes, along with casing & tubing, drill pipes, and hollow sections. These products cater to diverse applications, from low-ductility steels and high-alloy tubes to pressure vessel cylinders and line pipes. Technical specifications for seamless pipes feature an annual capacity of 200,000 tons, with size ranges from 21mm to 660mm outside diameter, accommodating various wall thicknesses and schedules (SCH10 to XXS). Welded pipes are available from 21.3mm to 660mm OD. The company also supplies pipe fittings such as flanges, elbows, valves, tees, and reducers. Additionally, HSCO provides a variety of other steel products, including carbon, stainless, and alloy steel bars, heavy plates, and hot/cold rolled steel sheets, alongside specialized 3-layer PE and internal liquid epoxy coating services.
Manufacturing and Quality Excellence
The company's manufacturing capabilities are robust, featuring three hot-rolled and two cold-drawn seamless steel pipe production lines. Advanced processes like continuous mandrel rolling, multi-stand plug mills, and cross roll piercing are employed. For welded pipes, HF welding and submerged arc welding are utilized, incorporating innovative ZTF technology. Quality assurance is central to HSCO's operations, beginning with pre-qualified raw material suppliers and manufacturers. A multi-stage inspection process includes factory self-checks, third-party inspections (SGS, BV, DNV, LR), and client final quality confirmation. This rigorous approach encompasses ultrasonic, electromagnetic, and magnetic particle inspections, alongside various mechanical and chemical property tests, ensuring adherence to international standards like API, ASTM, DIN, and EN.
Global Reach and Industry Applications
Hunan Standard Steel Co.,Ltd actively recruits overseas agents, leveraging its international partnerships to provide consistent project support worldwide. The company's products find extensive application across critical sectors including oil & gas (pipelines, drilling, exploration, offshore platforms), construction (structures, civil engineering), power generation (coal-fired, natural gas, hydroelectric, nuclear, solar plants, boilers), water and wastewater treatment, shipbuilding, and pressure vessel manufacturing. HSCO's commitment to delivering cost-effective, long-term solutions is underscored by its ability to offer customized products and comprehensive project support, from technical specification review to logistics and documentation.
