Features: 1) Material: CS, SS, Duplex SS, 904L, 2) Outside diameter: 1/2" to 64" 3) Wall thickness: > 3mm Features: 1) Material: CS, SS, Duplex SS, 904L, 2) Outside diameter: 1/2" to 64"3) Wall thickness: > 3mmHFW,ERW, SAWL, etc.NACE MR0175/ISO 15156, NACE MR 0103 compliance Welded Pipes