Import Alloy Steel Tubes — Buy in wholesale FOB from Supplier in China

Zhangjiagang Huayou Tubular Co., Ltd produces alloy steel tubes to ASTM A106, ASTM A179, ASTM A192, ASTM A210 and DIN 17175 standards for high-temperature and high-pressure service. The product range covers carbon-molybdenum and chromium-molybdenum alloy grades, with applications concentrated in boiler systems, superheaters, heat exchangers and condensers across petrochemical, power generation and refinery sectors. Tube dimensions, wall thickness and exact grade availability should be confirmed directly with the supplier, as specific size schedules are not listed in the source data. The chromium-molybdenum grades provide superior oxidation resistance and creep rupture strength compared to plain carbon grades, extending tube life in thermal cycling environments.

Manufacturing routes include hot rolling and cold finishing for seamless tubes, with subsequent normalising, tempering or quenching and tempering heat treatments to meet mechanical property requirements of the applicable standard. ASTM A210 Grade C1 and Grade C2 offer minimum tensile strengths of 415 MPa and 485 MPa respectively, with carbon-molybdenum additions improving elevated temperature strength retention. DIN 17175 15Mo3 and 13CrMo44 are common European designations in this product family, with specified proof stress values at 450 degrees Celsius. Surface condition is typically scaled or pickled and oiled, with square-cut or bevelled ends depending on end-use welding requirements. Non-destructive eddy current or ultrasonic testing may be applied to seamless tube production, though buyers should specify required test methods and acceptance levels.

The petrochemical sector uses these tubes in catalytic reforming, hydrocracking and steam methane reforming furnaces where metal temperatures exceed 550 degrees Celsius. Power plants deploy them in high-pressure feedwater heaters, reheater sections and superheater headers. Zhangjiagang Huayou is located in Suzhou, Jiangsu Province, within the Zhangjiagang port industrial zone, a location with established steel tube export infrastructure. The supplier holds imported and harbor trust tier classifications. Response metrics are not available, so direct enquiry is essential to confirm current production capacity, minimum order quantities, price positioning and delivery schedules for specific alloy grades and dimensions.

Zhangjiagang Huayou Tubular Co., Ltd is based in Suzhou, Jiangsu Province, China, with operations in the Zhangjiagang 215600 postal district. This location provides access to Yangtze River port facilities and the dense steel manufacturing ecosystem of Jiangsu. The supplier carries both imported and harbor trust tier designations on the platform. No response rate or average response time data is recorded, which means buyers must initiate direct contact to assess communication responsiveness and commercial flexibility. The source profile does not state founding year, number of employees, annual production capacity, revenue figures or named domestic or international clients.

The company positions itself as a manufacturer of alloy steel tubes for boiler, heat exchanger and petrochemical applications, with standards coverage spanning American and German specifications. No specific quality system certification numbers, factory audit reports, or patent information appear in the available data. Buyers should request ISO 9001 or ISO/TS 16949 certification copies, environmental compliance documentation, and evidence of participation in industry supply chains for power or petrochemical projects. The alloy steel tube market in Zhangjiagang is competitive, with multiple producers serving export markets, so differentiation through certification package and inspection support is a key supplier selection criterion.