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Spiral steel pipe-API 5L/ ASTM A252/GB/SY/ISO/EN

At the core of its exceptional performance lies the hot-dip galvanizing process, which results in a uniform zinc coating that sets it apart from inferior alternatives. Unlike other coating methods that may leave uneven patches or thin spots, hot-dip galvanizing involves immersing the entire spiral steel pipe in a bath of molten zinc, ensuring that every inch of the surface—both internal and external—is covered with a consistent layer of zinc. This uniformity is critical because it eliminates weak points where corrosion could initiate, providing comprehensive protection against rust, oxidation, and chemical degradation. The thickness of the zinc coating is precisely controlled to meet national standard requirements, typically ranging from 85 to 120 micrometers, depending on the specific application. This ensures that the pipe can withstand prolonged exposure to moisture, soil contaminants, industrial chemicals, and harsh atmospheric conditions without compromising its integrity.

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Carbon Steel pipe

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Spiral steel pipe-API 5L/ ASTM A252/GB/SY/ISO/EN

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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