... CoatingBlack painting, anti-corrosion oil, galvanized or as per required by customersPackingWrapped in bundles by steel strips/Bulk ToleranceOD :+1% / ... inspectionSGS/BVCertificatesAPI 5CT-0865, 5L-0593, ISO9001:2000Production Capacity400,000tons per yearDelivery time20 daysMain marketAsia, India, Middle East, America, EuropeAPI ... 600.040.05------ API 5L 3pe coating steel pipe made in china