DIN1630 St37.4 St44.4 St52.4 Cold Drawn Precision Seamless Steel Pipe

DIN1630 St37.4 St44.4 St52.4 Cold Drawn Precision Seamless Steel Pipe. High Precision Seamless Pipe: Cold drawn precision seamless steel tube for automotive and hydraulic applications. Wide Steel Grade Range: Available in St37.4, St44.4, St52.4, St35, St53, E235, E355 and customized grades. Multiple Surface Treatments: Options include bright, black phosphated, galvanizing, and various coating colors. Automotive Industry Application: Suitable for fuel injection lines, CNG tubes, steering columns, and gear shafts. Hydraulic System Compatibility: Ideal for hydraulic circuits, cylinders, pneumatic lines, and suspension systems. Strict Quality Inspection: Double inspected by professional controllers with vivid test reports provided. Certified Manufacturing: ISO 9001 and Ts16949 certified with EN 10204 3.1 test certificates. Customized Delivery Conditions: Available in BK, GBK, BKW, BKS, or NBK based on specific project needs.