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Spiral steel pipe national standard GB/T 9711

Spiral steel pipe conforming to national standard GB/T 9711, grade Q355D, Φ1420×16mm, with complete factory inspection reports available, represents a pinnacle of engineering excellence in the field of large-diameter steel piping. This high-performance product is meticulously designed to meet the rigorous demands of energy, infrastructure, and industrial projects, where structural integrity, pressure resistance, and reliability are non-negotiable. Backed by comprehensive quality documentation, it stands as a testament to precision manufacturing and adherence to strict technical specifications, making it a preferred choice for engineers, contractors, and project managers worldwide.

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Carbon Steel pipe

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Spiral steel pipe national standard GB/T 9711

Product	Spiral steel pipe
Brand Name	YOUFA/Juncheng Pipeline/Zhongzi Brand/Huazi Brand/KINGLAND Brand Huaqi Brand/Shashi Steel Pipe/Maike Pipe Industry /Synda Brand
Application	Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe
Thickness	5~26mm
Standard	API 5L/ ASTM A252/GB/SY/ISO/EN
Certificate	API/ CE/ SASO/PVOC/GS/ ISO9001/ COC/MTC/PED/ISO
Technique	LSAW/SAW/HFW/UT/RT
Grade	GB/T 9711、ISO 3183、SY/T 5037、GB/T 3091、ASTM A252、ASTM A139
Processing Service	Welding, Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled	Slightly Oiled
Invoicing	by theoretical weight
Delivery Time	22-30 days
OD	219mm~3020mm
Length	5-12M
Ends	Beveled end, plain end
Surface finish	bare, oil, black painting, epoxy painting, 3LPE, FEB
Shipment	container or bulk vessel
Payment terms	LC, T/T
Sample	Sample Freely（as requires)

Carbon Steel pipe

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XING RONG firmly believe that quality is paramount. As aprofessional steel pipe manufacturing enterprise, weare equipped with advanced technology andsophisticated production equipment; and providecomprehensiveservicesandsupport,strictlycontrolling every link from raw material procurement,manufacturing,qualitycontrolandexporttransportation, to meet the growing demand in thefield of building structures and fluid transportationaround the world. Always adhere to green andenvironmentally friendly production methods, adhereto the principle of sustainable development,andstrive to create a better world !

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Room 1503, 1st Floor, Ten Billion Dao XING RONG Sales Department, Jinghai District, Tianjin

youfa@cngisteel.com

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