
1010 1020 1045 4130 4140 Seamless Steel Tube. Wide Steel Grade Range: Available in 1010, 1020, 1045, 4130, 4140, ST35, ST45, ST52, E235, E255, E355 and more. Multiple Surface Treatments: Options include Bright, Black Phosphated, Galvanizing (Silver, Yellow, Olive Green). High Precision Manufacturing: Cold drawn seamless tubes with tight tolerances for automotive and hydraulic systems. Diverse Delivery Conditions: Delivered as BK, BKW, BKS, GBK, NBK to meet specific mechanical property needs. Comprehensive Testing: All tubes undergo chemical, mechanical, and technological tests per EN 10204 3.1. Customized Steel Grades: Modified steel grades and other specific requirements available upon request. Dual Industry Application: Ideal for Automotive (fuel lines, axles) and Hydraulic (circuits, cylinders) systems. Strict Quality Control: Double inspection by professional controllers with vivid test reports provided.