China Pre Galvanized Steel Pipe Manufacturer, Factories

Product Description

The Product Description
Product name Hot Dip Galvanized Steel Pipe/Pre-Galvanized Steel Pipe
Wall Thickness 0.6mm--20mm
Length 1--14m According to customer requirements ...
Outer Diameter 1/2’’(21.3mm)---16’’(406.4mm)
Tolerance Tolerance based on Thickness: ±5~±8%
Shape Round
Material Q195---Q345, 10#, 45#, S235JR, GR.B-D, STK500, BS1387......
Surface treatment Galvanized
Zinc coating Pre-galvanized steel pipe: 40--220G/M2; Hot dip galvanized steel pipe: 220--350G/M2
Standard ASTM, DIN, JIS, BS
Certificate ISO, BV, CE, SGS
Payment terms 30% T/T deposit in advance, 70% balance after B/L copy; 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L copy 20--30days
Delivery times 25days after receive ur deposits
Package
  1. Through a bundle
  2. According to customer’s requirement
Loading port Tianjin/Xingang
Customer's Benefit
What benefits do customers get:
  • Factory Direct Advantages
    We are a factory, which ensures our pricing holds distinct advantages over trading companies.
  • Market-Aligned Pricing
    We update prices regularly based on the steel market. We suggest purchasing when prices decline, allowing you to secure high-quality products at optimal prices.
  • Premium Quality & Efficient Service
    Our clients consistently receive premium grade products backed by reliable and prompt professional service.
Product Detail
Thickness
Thickness
Length
Length
Diameter
Diameter
gi pipe zinc coating
GI Pipe Zinc Coating
HDG pipe Zinc coating
HDG Pipe Zinc Coating
diameter detail
Diameter Detail
Different From Other Factories
  • Flexible Delivery Schedule
    We discuss and coordinate delivery dates transparently with the customer.
  • Prompt Communication Response
    We check emails consistently, ensuring customer requests are addressed promptly to resolve any issues.
  • Strategic Port Proximity
    Our factory is located just 40 kilometers from Xingang port, the largest port in Northern China, optimizing freight handling.
  • Strict Product Quality Standards
    Pipes are manufactured with no joint defects, clean square cuts, and fully deburred edges.
Packing and Transport
Loading picture
Packing details
Customer Case
An inquiry was received from a customer in Singapore who required steel pipes. After providing our initial quote, the customer compared our pricing with other suppliers and deemed it high. However, after reviewing our specifications, they placed an initial trial order of 10 containers. Since then, we have continued to supply containers to them monthly. The customer remains highly satisfied with our product quality and has visited our factory to establish a long-term cooperative partnership.
Customer Photos
Customer Visit 1
Customer Visit 2
Customer Visit 3

The customer purchased steel pipes in our factory. After the goods were produced, the customer came to our factory for inspection.

Frequently Asked Questions (FAQ)
What is the difference in zinc coating between pre-galvanized and hot dip galvanized steel pipes?
Pre-galvanized steel pipes have a zinc coating layer of 40 to 220 G/M², whereas hot dip galvanized steel pipes have a thicker coating of 220 to 350 G/M² to ensure superior corrosion resistance.
What parameters of thickness and length can be customized?
We offer wall thicknesses ranging from 0.6mm to 20mm, and lengths can be adjusted from 1 to 14 meters according to specific project demands.
What standards and materials certifications do you support?
Our steel pipes are manufactured in compliance with international standards including ASTM, DIN, JIS, and BS. Available materials include Q195 to Q345, S235JR, and GR.B-D, complete with ISO, BV, CE, and SGS certifications.
What is the normal delivery lead time and shipment port?
The typical delivery time is 25 days following the receipt of the deposit. Shipments are loaded directly at Tianjin/Xingang port.
How are the steel pipes packaged for transport?
Pipes are packaged securely either through bundles or bundled to fit specific customer configurations to ensure safe, stable transit.

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