📦 Basic Info.
Surface Treatment
Red/Black Painting, Hot DIP Galvanized
Usage
Pipeline, Boiler, Hydraulic, Oil/Gas, Construction
Length
3-12m (Customizable)
Standard
ASTM A795, A53, A500, AS1074, JIS G3444
Certificates
ISO 9001 / ISO 18001 / ISO 14001 / UL / FM
Function
Fire and Water Supply System
Production Capacity
Over 10 Million Tons Per Year
🏢 Profile Overview
Large-scale steel pipe manufacturing enterprise specializing in ERW steel pipe, hot-dipped galvanized steel pipe, oil casing pipe, SSAW steel pipe, square/rectangular steel pipe, and steel-plastic complex steel pipe.
✔China Top 500 Enterprises Leading Brands
✔15+ years of manufacturing and exporting experience
✔Key Project Supplier for major International Airports and Olympic Venues
📋 Product Specification
| Feature |
Details |
| Outer Diameter | Round pipe: 20~610mm |
| Wall Thickness | Round pipe: 0.8~18.0mm |
| Length | 3-12M according to client requirement |
| Standard | ASTM A795, ASTM A53, EN10255, EN10219, API 5L, JIS G3444, etc. |
| Material | Gr.A, Gr.B, S235, S355, Q195, Q235, Q345 |
| Finish | Hot dipped galvanized (220~260g/m2), Painted (red/black), Epoxy coating |
| Pipe End | Plain, Bevel, Grooved, Threaded with coupling |
| Applications | Fire protection, Construction, Scaffolding, Water/Gas/Oil transport |
📏 Standard Sizes
| DN |
Inch |
OD (mm) |
WT (mm) |
| 15 | 1/2" | 20~21.3 | 0.95~2.77 |
| 25 | 1" | 32~33.7 | 1.1~4.0 |
| 50 | 2" | 58~60.3 | 1.8~7.0 |
| 80 | 3" | 87~88.9 | 2.2~8.0 |
| 100 | 4" | 113~114.3 | 2.2~9.0 |
| 150 | 6" | 165~168.3 | 2.5~10.0 |
| 200 | 8" | 216~219.1 | 2.75~12.0 |
| 300 | 12" | 323.8~325 | 5.5~13.75 |
| 600 | 24" | 609~610 | 5.75~17.75 |
🖼️ Product Display
🛡️ Packing & Quality Control
Safe Packing:
Product Testing:
📜 Certificates & Factory
⭐ Why Choose Us?
1.Strong Strength: Largest steel pipe manufacturer with massive production capacity and group support.
2.Quality Guarantee: Specialized production with experienced workers and advanced machinery.
3.Flexible Terms: Clauses designed to protect the benefits of both suppliers and buyers.
4.Fast Delivery: Efficient production lead times to satisfy urgent customer needs.
5.Competitive Price: Optimized group resources allow for high quality at lower price points.
❓ Frequently Asked Questions
1. Are you a factory or trading company?
We are a direct factory and ranked among the China Top 500 Enterprises.
2. Can I get some samples before ordering?
Yes, free samples can be provided for your inspection and quality verification.
3. How does your factory handle quality control?
We inspect every process from raw material to finished products. Third-party inspections like BV/SGS are also accepted.
4. What is your Minimum Order Quantity (MOQ)?
We maintain stock of common sizes, so an MOQ of as low as one ton is accepted for stock items.
5. What are your payment terms?
We accept both T/T (Telegraphic Transfer) and L/C (Letter of Credit).
6. How long is your product warranty?
We guarantee product quality within 90 days after you receive the cargo.