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Help CenterAnti‑Corrosion Hot Dip Galvanized GI Pipe For Construction Infrastructure Project
Product Spotlights
Uniform zinc coating, smooth surface, long service life
High strength and good pressure resistance for pipeline & construction projects
Precise dimension, stable mechanical performance
Custom size & cutting available, MTC provided, factory wholesale
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Product Overview
Hot‑dip galvanized steel pipe, also known as GI pipe, is manufactured by ERW welding process with high‑quality carbon steel base material. After hot‑dip galvanizing treatment, the pipe surface forms uniform zinc coating to achieve excellent anti‑rust and anti‑corrosion performance. Our galvanized steel pipes comply with ASTM A53 and GB/T3091 standards. Strict inspection is carried out for each batch to control outer diameter, wall thickness, zinc layer and mechanical properties. Stable quality makes it widely accepted by global customers for pipeline transmission and building engineering projects.
Product Advantages
Hot‑dip galvanized treatment provides outstanding anti‑corrosion and anti‑rust capacity, greatly extending service life even under outdoor and humid working conditions. The zinc layer is uniform and firmly bonded without peeling or dropping. Smooth surface reduces fluid resistance for water and gas delivery. The steel pipe owns high tensile strength and good pressure bearing capacity. We keep strict tolerance control for dimension, straightness and wall thickness. Cutting, threading and other processing services are supported. Mill test certificate can be provided for each batch. Factory direct supply ensures competitive price and stable bulk‑order delivery.
Main Specifications
| Attribute | Specification |
|---|---|
| Material | Carbon Steel |
| Grade | Q235B, ASTM A53 GR.A, GR.B |
| Standard | ASTM A53, GB/T3091 |
| Process | ERW Welded |
| Surface Treatment | Hot‑dip Galvanized |
| Zinc Coating | 40‑85 g/m² |
| Outer Diameter | 1/2''‑8'', Customized |
| Wall Thickness | 1.5‑6.0mm, Customized |
| Length | 5.8m, 6m, Cut‑to‑length |
| Processing Service | Cutting, Threading |
Application
Widely used for water supply pipeline, gas transmission, greenhouse frame, fence structure, building construction, municipal engineering and other fields.
Packing & Delivery
Standard export packing: bundled or loaded on wooden pallets. Good packaging prevents scratch and damage during sea‑land transportation. We have sufficient stock, fast lead‑time and support large‑volume wholesale orders. Professional online technical support is available for global buyers.
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