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Home > Black steel pipe > China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
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China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers
China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers

China Schedule 40 Round Section welded Steel Pipes Manufacturers, Suppliers

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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
What benefits do customers get:
  • We are factory (our price will have an advantage over trading companies).
  • Don't worry about the delivery date. We are sure to deliver the goods in time and quality to achieve customer satisfaction.
Product Detail
Product detail 1
Product detail 2
Product detail 3
Different From Other Factories
  • We applied for and received 3 patents (Groove pipe, Shoulder pipe, Victaulic pipe).
  • Port: Our factory is just 40 kilometers from Xingang port, the biggest port in the north of China.
  • Our manufacturing equipment includes 4 pre-galvanized product lines, 8 ERW steel pipe product lines, and 3 hot-dipped galvanized process lines.
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.

Customer Case

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
Product catalog 1
Product catalog 2
Product catalog 3
Product catalog 4
Product catalog 5
Product catalog 6
Frequently Asked Questions
Q1: What are the primary specifications of your ERW and welded pipes?
Our ERW pipes feature an outer diameter range of (1/2'') 21.3mm to (16'') 406.4mm, wall thickness options from 0.6mm to 20.0mm, and lengths customizable from 1 to 12 meters.
Q2: What standards and materials do you comply with?
We manufacture our pipes using high-quality Q235B and Q345B materials. They comply strictly with global standards, including GB/T3091-2001, BS1387-1985, and DIN EN10025.
Q3: How do you guarantee the quality and delivery schedule of products?
As a direct manufacturer, we provide price advantages, robust quality control, and certified standards (ISO, BV, CE, SGS). We guarantee in-time delivery within 25 days after receiving deposits.
Q4: What production lines does your facility possess?
Our industrial capacity boasts 4 pre-galvanized product lines, 8 high-performance ERW steel pipe product lines, and 3 hot-dipped galvanized processing lines to meet large-volume orders.
Q5: Where is the loading port located?
Our factory is located just 40 kilometers from the Tianjin/Xingang port, the largest shipping hub in northern China, allowing for cost-effective and swift shipping.
Q6: What packaging options do you offer for shipment?
Products are shipped standard in secure bundles or tailored specifically according to our customer’s exact packaging requirements for safe ocean transport.

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