Hebei Huayang Steel Pipe Co., Ltd is one of the most experienced manufacturers and suppliers of erw galvanized straight pipe 76~660mm outdoor garden water pipeline tube in China. Welcome to buy discount erw galvanized straight pipe 76~660mm outdoor garden water pipeline tube made in China here from our factory. Quality products and low price are available.
Product introduction
Product Overview
Product Name: ERW Galvanized Straight Pipe Size Range: 76mm – 660mm Application: Outdoor Garden Water Pipeline, Water Supply Engineering, Landscape Irrigation ERW galvanized straight pipe adopts high-frequency electric resistance welding technology, equipped with hot-dip galvanized anti-corrosion layer. Uniform zinc coating effectively isolates moisture and soil corrosion. Stable dimensional range from 76mm to 660mm meets large-diameter outdoor garden water delivery, landscape irrigation and municipal auxiliary water pipeline requirements. Weld seam quality is stable, good pressure resistance, suitable for long-term buried and exposed outdoor service environment.
Production Technology
Raw material: Low carbon steel strip, continuous forming
Forming & HF ERW welding: High-frequency resistance welding, compact weld joint, no leakage risk
Weld seam leveling & online non-destructive testing (NDT) optional
Straightening, fixed-length cutting
Hot-dip galvanizing surface treatment
Inspection, marking and packaging
Hot-dip galvanized layer forms metallurgical bonding with steel substrate, far superior to spray painting. The pipe body maintains straightness, convenient for pipeline layout in outdoor gardens.
Key Specifications
Outer Diameter: 76 mm ~ 660 mm
Wall Thickness: Customized according to customer requirements
Length: 5.8m / 6m / 11.8m / 12m or custom fixed length
Welding Process: ERW (High Frequency Electric Resistance Welding)
Surface Treatment: Hot Dip Galvanized
Pipe Shape: Straight seamless welded pipe
End Treatment: Plain end / Bevel end / Threaded end optional
Standard: ASTM A53, ASTM A500, GB/T 3091, EN10219 available
Performance Advantages
✅ Excellent Anti-Corrosion Performance Hot-dip galvanized coating resists rainwater, soil, humid outdoor environment, greatly extend service life for garden water pipeline.
✅ Stable Weld Quality Advanced ERW welding technology, uniform weld, high mechanical strength, suitable for continuous water delivery under certain working pressure.
✅ Wide Size Coverage Complete OD range 76–660mm, satisfy small branch irrigation pipelines and main large-diameter garden water supply trunk lines.
✅ Convenient Construction Straight pipe structure, easy cutting, welding and connection. Compatible with various pipe fittings for outdoor garden engineering layout.
✅ Low Maintenance Cost Anti-rust surface reduces regular repainting maintenance, ideal choice for outdoor unattended garden water systems.
Application Scenarios
Outdoor garden irrigation water supply pipeline
Landscape park circulating water pipeline
Villa community greening water delivery pipe
Municipal auxiliary water supply engineering
Agricultural outdoor irrigation main pipeline
Rainwater collection and diversion pipeline
Quality Control
Raw material chemical composition & mechanical property inspection
Online weld ultrasonic testing optional
Dimension tolerance inspection (outer diameter, wall thickness, straightness)
Zinc coating thickness test
Hydrostatic pressure test available upon request
Visual inspection for surface defects
Package & Delivery
Standard packing: Bundled with steel strips; large diameter pipes in bulk
Protective caps on pipe ends to prevent sundries entering
Marking: Product specification, standard, grade, production batch
Delivery time: Negotiable based on order quantity
About us
Hebei Huayang Steel Pipe Co., Ltd. was founded in 2005, with a registered capital of 500 million yuan. The company covers an area of more than 1,000 mu, with annual sales of 10 billion yuan, more than 600 employees and an annual productivity of 2.75 million tons. The company has 17 new automatic steel pipe production lines and 14 high-frequency production lines, with a diameter of 73-660 mm; Three double-sided submerged arc welded steel pipe production lines with diameters of 406.4-1422.4mm;; 24 hot tube expanding production lines, with a diameter of 230-820mm; Two anticorrosion steel pipe production lines with a diameter of 73-1626 mm; 2 automatic painting production lines. With 3 branches and 5 offices, the products are sold to various cities and exported to more than 80 countries such as Southeast Asia, Middle East, Europe and America.
Packaging, transportation and delivery
Packaging, transportation and delivery
At Hebei Huayang Steel Pipe Co., Ltd., we apply standardized and reliable packaging solutions for all our steel pipe products. Our pipes can be securely packed by hexagonal bundling or circular bundling according to product diameter, wall thickness and customer requirements. Each pipe end is protected with high‑strength plastic pipe caps to avoid collision damage, dust and moisture during transportation and storage. The whole bundle is firmly wrapped with durable woven bags to enhance stability and prevent scratches or deformation.
We support a complete range of transportation methods to satisfy global customers, including road transportation, railway transportation, sea freight and container shipping. Based on our strategic location in Cangzhou, Hebei Province, we enjoy convenient access to major ports such as Tianjin Port, which greatly improves logistics efficiency and reduces transportation costs.
For standard specifications and normal order quantities, the general delivery time is about 30 days after order confirmation and deposit receipt. For large‑scale orders, special sizes or customized processing requirements, our production and sales team will formulate a detailed production plan and provide an accurate delivery schedule accordingly to ensure on‑time supply and stable performance for projects and clients worldwide.
Strict quality control
1. During and after the production, experienced quality inspectors randomly check the products to ensure that each steel pipe is qualified for production and application.
2. A nationally recognized laboratory with CNAS certification and certification by French Classification Society.
3. Have CNOOC access certificate, KOC oil company access network, ADNOC Abu Dhabi oil company access network, Petrobras access network, etc.
4. Accept the inspection by the third party designated/paid by the buyer, such as SGS and BV.
Certifications

API 2B

API 5L

GOST

ISO 9001

EN 10219

EN 10210
Hot Tags: erw galvanized straight pipe 76~660mm outdoor garden water pipeline tube, China erw galvanized straight pipe 76~660mm outdoor garden water pipeline tube manufacturers, suppliers, factory, Api 5l X52 DN250, API L245 ERW carbon steel pipe, ASTM A53 ERW Pipe, EN10217 Large Diameter Straight Seam Steel Pipe, Erw Round Pipe, SS316L Backing Rings






