Yi Yi Special Steel (Jiangsu) Co., Ltd. Our company stocks a variety of products including 16Mn seamless steel tubes, thick-walled steel tubes, large-diameter thick-walled pipes, etc. Our cold-rolled precision bright pipes feature smooth surfaces, uniform wall thickness, no oxidation layer, and high precision. The internal bore of the steel tubes 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, and 16Mn. We can also customize precision pipes to meet customer specifications. Special materials and sizes can be pre-ordered. Our company produces seamless steel tubes according to Chinese National Standard (GB), American ASTM (ASME), German DIN, Japanese JIS, and British BS standards. Specific types include low and medium-pressure boiler tubes, high-pressure boiler tubes, shipboard seamless steel tubes, oil cracking pipes, high-pressure fertilizer equipment tubes, oil casing pipes, pipeline steel tubes, hollow oil-pulling rods, general fluid steel tubes, structural tubes, and imported alloy steel tubes. Our product range is extensive, with a complete range of specifications, and is widely used in the petrochemical, power, boiler, shipbuilding, machinery, and other industries. Products have been distributed throughout China. Many products have been exported to the Middle East, India, Southeast Asia, and Europe and the United States.
Our company has been producing, selling, and acting as an agent for the sales of seamless steel tubes from several major tube mills, including Chenggang, Baogang, Angang, Tiangang, and Henggang. We offer products such as 10#, 20#, 45#, 16Mn, 27SiMn, Q345B, 35CrMo, 20Cr, 40Mn2, 40CrMo, 20CrMnTi, 10CrMo910, 15CrMo, 12Cr1MoV, 20G, St52, S45C, and various pipe materials for geological, pipeline, chemical, and power industries. These products comply with national standards: GB8162-87, GB8163-87, GB3087-82, GB5310-95, and GB6479-86. Our inventory includes seamless steel tubes, high-pressure boiler tubes, petrochemical pipes, imported alloy steel tubes, alloy seamless steel tubes, bearing tubes, special welding tubes, spiral tubes, galvanized tubes, and stainless steel tubes. We have an ample stock with a full range of specifications. Adhering to the principle of low prices and high quality, we ensure customer satisfaction in both purchase and usage. Honesty and professionalism are our service tenets. We are committed to providing top-notch products and services to both new and existing customers. We warmly welcome inquiries, communications, and personal visits for business discussions and guidance!
