Place of Origin:Shaanxi China (Mainland) Brand Name:Goodtrust Material:Gr1 Outer Diameter: 10-110mm Length:max 18000 mm Standard: ASTM B337 Application: chemical industry Technique: Seamless Grade:Gr1 Wall Thickness: 0.5-10 mm Inside Diameter: 5-55 mm Standards: ASTM B337 Type: Seamless and welded pipes Color: silver Certificate: ISO 9001:2008, MTC Quality control: Hydraulic Pressure Test or 100% UT Test Supply Status: Annealed Third party test: accept Package: wooden case Price: negotiable