Process: 
LSAW (Longitudinal Submerge-arc Welded) UO(UOE),RB(RBE),JCO(JCOE)           

Quality Standard: 
GB/T3091 Welded steel pipe for low pressure liquid delivery
GB/T9711 Petroleum and natural gas industries--Steel pipe for pipelines         
IS: 3589 Steel tubes for water and sewage
IS : 1978-1982 Steel tubes for use in transportation of oil; gas & Petroleum products 
BS: 1387 Steel Tubes for use for Water, Gas, Air and Steam
ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
EN10217: Welded steel tubes for pressure purposes. Technical delivery conditions. Non-alloy steel tubes with specified room temperature properties 
API 5L Line Pipe         
DIN 2440, DIN 2441, DIN 1626, EN10240         
DIN 2458 WELDED STEEL PIPES AND TUBES         

Material:  
ASTM A 53: Gr. A, Gr B, Gr C, Gr.D  
API 5L : GR.A, B, X42, X46, X52, X56, X60, X65 X70  
 

Pipe End: Plain, beveled, threaded and coupled(Threading as per BS1387, ASTM A53)         
Pipe surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE)         
Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.         
Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.         
Mill Test Certificate: EN 10204/3.1B         
Third party inspection: SGS, BV, Lloyds etc. 

Contact person: Sandra Lee

Mail address: sandra (at) hnssd (dot) com

Telephone : 86-15873338620

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