... .Quality gradeFirst class, prime, newly produced, secondary , stock etc.Material/Steel gradeA, B, X42, X46, X52, X56, X60, X65, X70, L175 ... , Hydrostatic Test, X-ray Test, Ultrasonic Test)PackingSmall sizes packed by steel strips into bundles, big sizes in loose pieces; can be ... for other applications, applies to pipe piles in which the steel cylinder acts as a permanent load-carrying member, or as a ...