Manufacturing standards: Millimeter round tubes manufactured according to DIN-11850, SMS 3008 and ASTM A-270 - EN 10217-7 Grades: Austenitic grades types 304-L, 316-L Protection: Polished or satin tubes are supplied with plastic coating Finishes: Finished with roughness according to standards on the surface and welding suitable for the food industry. We have pipes in matte and polished interior and/or exterior finishes. Certificates: We provide product certificates if required, according to the following standard: EN 10204/3.1.B or DIN 50049. Dimensions: Manufactured in diameters from 12 mm to 154 mm. Wall thicknesses from 1 to 2 mm