... :1-20m 4 contact: irene spiral steel pipeProduct nameSpiral Steel PipeOut diameter165-3048, 6 1/2"- ... class, prime, newly produced, secondary , stock etc.Material/steel gradeA25, A25P, A, B, X42, X46, X52, ... of deposit /LC PackingSmall sizes packed by steel strips into bundles, big sizes in loose pieces ... pipe piles in which the steel cylinder acts as a permanent load-carrying member, or as a shell ...