GB Standard Bright Annealed Carbon Steel Instrumentation Cold Rolled Seamless Steel Tube

GB Standard Bright Annealed Carbon Steel Instrumentation Cold Rolled Seamless Steel Tube. High Precision & Quality Finish: Cold rolled seamless pipe with high precision size and good surface finish for mechanical structures. Comprehensive Testing Standards: Hydrostatic test, crimping, flared, and squashed tests ensure chemical composition and mechanical properties. Wide Range of Customization: Customization available from samples and designs, including size, surface treatment, and heat treatment. Multiple Surface Treatment Options: Bare, lightly oiled, black/red/yellow painting, zinc, or anti-corrosive coating available. Flexible End Processing: Square, plain, beveled, or threaded ends available via straight cut, saw cut, or torch cut. International Certifications: ISO 9001:2015, API5L, API5CT, DIN, EN, and ASTM standards met with professional quality analysis. Large Production Capacity: Annual output exceeds 600,000 metric tons with 2 advanced production lines. Third-Party Inspection Accepted: Third-party inspection is fully accepted for all production processes and finished products.