China Bs1387 Pre-Galvanized Steel Pipe Manufacturers, Factory

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	Through a bundle According to customer’s requirement
Loading port	Tianjin/Xingang

What benefits do customers get

Factory-Direct Advantage

We are a factory, meaning our pricing holds a clear competitive advantage over standard trading companies.
Strategic Buying Advice

We regularly update market prices with our clients. We suggest purchasing when the market drops, ensuring you get high-quality products at optimal rates.
Premium Quality & Efficiency

Get reliable, top-tier products alongside highly responsive, efficient customer service.

Product Detail

Thickness

Length

Diameter

GI Pipe Zinc Coating

HDG Pipe Zinc Coating

Diameter Detail

Different from other factories

Flexible Delivery Terms

We work collaboratively and discuss exact delivery timelines that align directly with the customer's planning schedule.
Prompt Response & Support

Our team checks messages off-hours to handle urgent customer emails, offering swift and efficient problem-solving.
Ideal Port Location

Located just 40 kilometers from Xingang port, the largest maritime outlet in Northern China, saving logistics transit time.
High Finished Quality

Our pipe features square-cut, fully deburred, and joint-free finishes.

Packing and transport

Customer Case

An inquiry was received from a customer in Singapore looking for steel pipes. Although initial price comparisons led them to think our rates were high compared to other options, they trusted our process and decided to purchase 10 containers for their first order. Today, they remain highly satisfied with the quality of the products and we continue to supply containers to them every month, building a strong, long-term relationship.

Customer Photos

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 ranges of wall thickness and outer diameter do you provide?

We manufacture steel pipes with wall thicknesses ranging from 0.6mm up to 20mm, and outer diameters from 1/2’’ (21.3mm) to 16’’ (406.4mm).

What is the difference in zinc coating between your pre-galvanized and hot dip galvanized pipes?

Our Pre-galvanized steel pipes feature a zinc coating layer of 40–220 G/M², while our Hot Dip Galvanized steel pipes offer a heavier protective coating of 220–350 G/M².

Which quality standards and certifications do your steel pipes meet?

Our products meet ASTM, DIN, JIS, and BS standards. They are certified by recognized third-party agencies including ISO, BV, CE, and SGS.

How do you schedule shipment and which loading port is used?

Standard delivery times are approximately 25 days after deposit receipt. We ship primarily via the Tianjin/Xingang port, located only 40km away from our factory.

What are your standard payment terms for orders?

We accept a 30% T/T deposit in advance, with the remaining 70% balance due after receiving the B/L copy, as well as 100% Irrevocable L/C at sight, or after receiving the B/L copy (20–30 days).