Sanitary steel pipe Standard: ASTM A312, A269,DIN 1850,DIN1851,DIN1852 Grade: TP304, TP304L, TP316L, TP321, TP310S and ect Sanitary steel pipeStandard: ASTM A312 ... ,DIN1852 Grade: TP304, TP304L, TP316L, TP321, TP310S and ect Sanitary steel pipeStandard: ASTM A312, A269,DIN 1850,DIN1851,DIN1852 Grade: TP304 ... .Way of transportation: CIF, FOB.Mill certificate: EN 10204.3.1 Sanitary steel pipe