Hot Dipped Galvanized Steel Pipe1,Website:http://www.sinosteelpipes.com,Specification: ... requirementLength1m-12m as per customer's requirementWeldedLongititude ERW weldedGalvanizedPre-galvanized with zinc coating 35-275g/m22,Characteristic & ... greenhouse, automotive industry, railway, highway guardrail, container frame, furniture, decoration, steel structure etc. 3,Product show: (2 ...