China Astm A500 Welded Steel Pipe Manufacturer, Factories

Product Description

The Product Description
Product name ERW PIPE/WELDED PIPE
Wall Thickness 0.6mm--20.0mm
Length 1--12m According to customer requirements ...
Outer Diameter (1/2'') 21.3mm---(16'') 406.4mm
Tolerance Tolerance based on Thickness: ±5~±8% / According to customers requirements
Shape Round
Material Q235B, Q345B
Surface treatment Corrosion protection
Factory yes
Standard GB/T3091-2001, BS1387-1985, DIN EN10025
Certificate ISO, BV, CE, SGS
Payment terms 30% deposit then pay the balance after received the B/L copy
Delivery times 25 days after receive ur deposits
Package 1. Through a bundle
2. According to customer’s requirement
Loading port Tianjin/Xingang
Customer's Benefit
Direct Factory Pricing

We are a factory. Our price will have a distinct advantage over trading companies, offering you better profit margins.

Guaranteed Delivery

Don't worry about the delivery date. We are sure to deliver the goods in time and quality to achieve customer satisfaction.

Product Detail
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Different From Other Factories
01

We applied for and received 3 patents (Groove pipe, Shoulder pipe, Victaulic pipe).

02

Port Advantage: Our factory is just 40 kilometers from Xingang port, the biggest port in the north of China.

03

Our manufacturing equipment include 4 pre-galvanized product lines, 8 ERW steel pipe product lines, and 3 hot-dipped galvanized process lines.

Customer Photos
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The customer purchased steel pipes in our factory. After the goods were produced, the customer came to our factory for inspection.
Customer Case
Collaborative Solution for Powder Coating Pre-Galvanized Steel Square Tube

Australian customer purchase powder coating pre galvanized steel square tube. After customers receives the goods for the first time . Customer tests adhesive strength between the powder and the surface of the square tube .Customers test powder and square surface adhesion is small . We have meetings with customers to discuss this problem and we do tests all the time . we polished the surface of the square tube . Send the polished square tube to the heating furnace for heating . We tests all the time and discuss with customer all the time . We keep finding ways . After many tests, the final customer is very satisfied with the products. Now customer purchase a large number of products from factory every month .

Produce Products
pre-galvanized-steel-pipe-hot-dipped-galvanized
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Frequently Asked Questions
What size ranges do you offer for ERW / Welded steel pipes?
We supply ERW pipes with a wall thickness ranging from 0.6mm to 20.0mm, an outer diameter from 21.3mm (1/2'') to 406.4mm (16''), and standard lengths from 1 to 12 meters, customizable according to your project requirements.
What standards and materials do you use in manufacturing?
Our steel pipes are manufactured using premium Q235B and Q345B materials. We conform to international industry standards including GB/T3091-2001, BS1387-1985, and DIN EN10025.
What certifications do your steel pipes hold?
Our manufacturing and products are fully certified by reputable global bodies, holding ISO, BV, CE, and SGS certifications.
What are your standard payment and delivery terms?
Our standard payment terms require a 30% deposit with the balance payable upon receipt of the Bill of Lading (B/L) copy. The delivery time is typically within 25 days after we receive your deposit.
Do you support customized processing and product tests?
Yes. As illustrated by our technical case studies, we work closely with clients to perform custom polishing, heat treatments, and quality testing (such as powder coating adhesion optimization) to ensure the exact specifications are met.
What are your factory logistics and location advantages?
Our production facility is located just 40 kilometers from Xingang port (Tianjin), which is the largest port in Northern China, enabling rapid, cost-effective shipping and smooth loading operations.

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