Yi Yi Special Steel (Jiangsu) Co., Ltd. Our standard stock includes: 16Mn seamless steel pipes, thick-walled pipes, large diameter thick-walled tubes, etc. Our cold-rolled precision bright pipes feature a smooth surface, even wall thickness, no oxidation layer, and high precision. The inner bore of the steel pipes can be round, spline, or梅花-shaped, and are widely used in the automotive, motorcycle, power, petrochemical, shipbuilding, aerospace, bearing, pneumatic components, hydraulic cylinders, boiler equipment industries. Material grades include: 10#, 20#, 35#, 45#, GCr15, 40Cr, 16Mn, etc. Customized precision pipes according to customer specifications are available. Special materials and specifications can be pre-ordered. The company produces seamless steel pipes according to Chinese National Standard (GB), American ASME standard, German DIN standard, Japanese JIS standard, and British BS standard, including low and medium pressure boiler steel pipes, high pressure boiler steel pipes, shipboard seamless steel pipes, petroleum cracking steel pipes, high-pressure fertilizer equipment seamless steel pipes, oil casing pipes, pipeline steel pipes, hollow oil pumping rods, general fluid steel pipes, structural pipes, and imported alloy steel pipes, etc. The product range is extensive, with complete specifications, and is widely used in the petrochemical, power, boiler, shipbuilding, machinery, and other industries. Products have been distributed nationwide and have been exported to the Middle East, India, Southeast Asia, and Europe and America.
Our company has been manufacturing, selling, and代理saling steel pipes from Chenggang, Baogang, Anshan, Yaotai, Tiancheng, and Henggang, including grades such as 10#, 20#, 45#, 16Mn, 27SiMn, Q345B, 35CrMo, 20Cr, 40Mn2, 40CrMo, 20CrMnTi, 10CrMo910, 15CrMo, 12Cr1MoV, 20G, St52, S45C, and various pipes for geological, pipeline, chemical, and power industries. These products adhere to national standards: GB8162-87, GB8163-87, GB3087-82, GB5310-95, and GB6479-86. Our inventory is fully stocked with a complete range of products, including seamless steel pipes for high-pressure boilers, oil cracking pipes, imported alloy steel pipes, alloy seamless steel pipes, bearing steel pipes, special welding pipes, spiral pipes, galvanized pipes, and stainless steel pipes. Guided by the principle of low-price and high-quality sales, we ensure our customers' confidence in purchasing and comfort in use. Honesty and professionalism are our service tenets. We are committed to providing top-notch products and excellent service to both new and existing clients and warmly welcome inquiries, letters, or personal visits for business discussions and work guidance!
