Product Description

 φ 219mm φ 3200mm, 5mm-30mm wall thickness, steel grade B-X80 spiral seam double submerged arc welded steel pipe,, "Central Plains" brand of φ 89mm φ 630mm, ERW hot rolling steel tube wall thickness of 4mm-12.7mm (diameter steel pipe thermal tension reduction) and φ 139.7mm φ 339.7mm (5-1/2 ″ ~ 13-3/8 "), oil casing steel grade into first groups, second groups, third groups. The company product implementation of API Spec 5L, API Spec 5CT, API Spec 5B, EN10217, GB/T9711.1, GB/T9711.2, SY/T0413, DIN30670 sta

Since 2000 the company has passed ISO9001 international quality system certification, the American Petroleum Institute API Spec 5L, 5CT, 5B certification, ISO14001 environmental management system certification and GB/T28001 occupation health and safety management system certification, the boiler and pressure vessel safety certification (PED), special equipment manufacturing license (pressure pipe) certification and licensing certificate the company has been made, the physical and chemical laboratory accreditation certificate of China National Accreditation certificate. The company is "the National Standardization Management Committee of AAAA grade enterprises standardized good behavior" "China Petroleum and petrochemical equipment industry association, the national top fifty enterprises" and "national steel industry top ten enterprises" and "top 100 private enterprises in Hebei province", for ten consecutive years, "Hebei provincial contract and trustworthy enterprise", for seven consecutive years "credit the provincial agricultural enterprise AAA". Products won the "brand-name products in Hebei province", "high-tech products in Hebei province". "Shi Xing" trademark in 2010 January was recognized as a well-known trademark in china.
 

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