Specifications: Outer diameter: 114.3mm—508mm (4 1/2"—20");

Wall thickness: 5.21mm-16.13mm (9.5PPF—133PPF);

Material: H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, P110, Q125 etc.