Material include 20, 30, 45, 16Mn, 27SiMn, 40Cr, 5CrMo, 35CrMo, 45Mn2, 12Cr1MOV, 38CrMoAl, DZ40-70, Cr5Mo and so on For the seamless pipe the material include 20, 30, 45, 16Mn, 27SiMn, 40Cr, 5CrMo, 35CrMo, 45Mn2, 12Cr1MOV, 38CrMoAl,DZ40-70, Cr5Mo and so onLength: As client's requirement Seamless Pipe