... .1.Basic Details Of Spiral Pipe Tianjin YouXinDa International Trading Co.,LtdProduct NameSPIRAL PIPESizeOD219---2020mmWT6 -- 30mmLength4- 12m or ... as per your requestSteel materialQ195--- Grade B, SS330, SPHC, S185Q195--- Grade C, CS TypeB, SS330, ... Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.Third party inspection:SGS, BV, Lloyds etc.Mill ...