Spesification Of Material: 
ASTM A234 Gr.WPB BW Seamless
ASTM A403 TP 304/ L BW Seamless & Welded
ASTM A403 TP 316/ L BW Seamless & Welded
ASTM A420 WPL 6 BW Seamless
Thikness Of Material : 
Sch 10, 20, STD, 40, 80, 160, XS, XXS