Basic Info.
Model NO.
Square and rectangular steel pipe
After-sales Service
Support
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
Square and Rectangulatr
Length
3-12m According to Client Requirement
Od-Square
10*10mm-1000*1000mm
Od-Rectangular
10*15mm-800*1100mm
Technology
ERW, LSAW, SSAW, Seamless
Materials
Gr.a/B/C, S235/275/355/420/460, A36, Ss400
Standards
Hollow Section:ASTM A500/A501, En10219/10210
Oiled or Non-Oiled
Non-Oiled
Processing Service
Welding, Punching, Cutting, Bending, Decoiling
Certification
CE, LEED, BV, Phd&EPD, Bc1, En10210, En10219
Specification
20*30*2.5~3.0
Product Description
Our Adavantage:
√ Quick reply within 24 hours.
√ Large Stock for regular sizes.
√ Free sample high quality.
√ 100% after-sales quality and quantity assurance. Product Parameters
O.D mm | W.T mm | O.D mm | W.T mm | O.D mm | W.T mm | O.D mm | W.T mm |
20*20 | 1.3 | 60*120 80*100 90*90 | 1.5 | 180*180 | 3.0 | 300*800 400*700 550*550 500*600 | |
1.4 | 1.7 | 3.5-3.75 | 9.5-9.75 |
1.5 | 1.8 | 4.5-4.75 | 11.5-11.75 |
1.7 | 2.0 | 5.5-7.75 | 12-13.75 |
1.8 | 2.2 | 9.5-9.75 | 15-50 |
2.0 | 2.5-4.0 | 11.5-11.75 | |
20*30 25*25 | 1.3 | 4.25-4.75 | 12-25 | |
1.4 | 5.0-6.3 | 100*300 150*250 200*200 | 2.75 | 300*900 400*800 600*600 500*700 | |
1.5 | 7.5-8 | 3.0-4.0 | 9.5-9.75 |
1.7 | 50*150 60*140 80*120 100*100 | 1.5 | 4.5-9.75 | 11.5-11.75 |
1.8 | 1.7 | 11.5-11.75 | 12-13.75 |
2.0 | 2.0 | 12.5-12.75 | 15-50 |
2.2 | 2.2 | 13.5-13.75 | |
2.5-3.0 | 2.5-2.75 | 15.5-30 | |
20*40 25*40 30*30 30*40 | 1.3 | 3.0-4.75 | 150*300 200*250 | 3.75 | 300*1000 400*900 500*800 600*700 650*650 | |
1.4 | 5.5-6.3 | 4.5-4.75 | |
1.5 | 7.5-7.75 | 5.5-6.3 | 9.5-9.75 |
1.7 | 9.5-9.75 | 7.5-7.75 | 11.5-11.75 |
1.8 | 11.5-16 | 9.5-9.75 | 12-13.75 |
2.0 | 60*160 80*140 100*120 | 2.5 | 11.5-11.75 | 15-50 |
2.2 | 2.75 | 13.5-30 | |
2.5-3.0 | 3.0-4.75 | 200*300 250*250 | 3.75 | 400*1000 500*900 600*800 700*700 | |
3.25-4.0 | 5.5-6.3 | 4.5-4.75 | |
25*50 30*50 30*60 40*40 40*50 40*60 50*50 | 1.3 | 7.5-7.75 | 5.5-6.3 | 9.5-9.75 |
1.4 | 9.5-16 | 7.5-7.75 | 11.5-11.75 |
1.5 | 75*150 | 2.5 | 9.5-9.75 | 12-13.75 |
1.7 | 2.75 | 11.5-11.75 | 15-50 |
1.8 | 3.0-4.75 | 12-13.75 | |
2.0 | 4.5-4.75 | 15.5-30 | |
2.2 | 5.5-6.3 | 200*400 250*350 300*300 | 4.5-6.3 | 500*1000 600*900 700*800 750*750 | |
2.5-3.0 | 7.5-7.75 | 7.5-7.75 | 9.5-9.75 |
3.25-4.0 | 9.5-16 | 9.5-9.75 | 11.5-11.75 |
4.25-4.75 | 80*160 120*120 | 2.5 | 11.5-11.75 | 12-13.75 |
5.0-5.75 | 2.75 | 12-13.75 | 15-50 |
5.75-6.3 | 3.0-4.75 | 15.5-30 | |
40*80 50*70 50*80 60*60 | 1.3 | 5.5-6.3 | 200*500 250*450 300*400 350*350 | 5.5-6.3 | 500*1100 600*1000 700*900 800*800 | |
1.5 | 7.5-7.75 | 7.5-7.75 | 11.5-11.75 |
1.7 | 9.5-9.75 | 9.5-9.75 | 12-13.75 |
1.8 | 11.5-20 | 11.5-11.75 | 15-50 |
2.0 | 100*150 | 2.5 | 12-13.75 | |
2.2 | 2.75 | 15.5-30 | |
2.5-3.0 | 3.0-4.75 | 280*280 | 5.5-6.3 | 600*1100 700*1000 800*900 850*850 | |
3.25-4.0 | 5.5-6.3 | 7.5-7.75 | 9.5-9.75 |
4.25-4.75 | 7.5-7.75 | 9.5-9.75 | 11.5-11.75 |
5.0-6 | 9.5-9.75 | 11.5-11.75 | 12-13.75 |
40*100 60*80 70*70 | 1.3 | 11.5-20 | 12-13.75 | 15-50 |
1.5 | 100*200 120*180 150*150 | 2.5 | 15.5-30 | |
1.7 | 2.75 | 350*400 300*450 | 7.5-7.75 | 700*1100 800*1000 900*900 | |
1.8 | 3.0-7.75 | 9.5-9.75 | 11.5-11.75 |
2.0 | 9.5-9.75 | 11.5-11.75 | 12-13.75 |
2.2 | 11.5-20 | 12-13.75 | 15-50 |
2.5-3.0 | 100*250 150*200 | 3.0 | 15.5-30 | |
3.25-4.0 | 3.25-3.75 | 200*600 300*500 400*400 | 7.5-7.75 | 800*1100 900*1000 950*950 | |
4.25-4.75 | 4.25-7.75 | 9.5-9.75 | 11.5-11.75 |
5.0-6.3 | 9.5-9.75 | 11.5-11.75 | 12-13.75 |
50*100 60*90 60*100 75*75 80*80 | 1.3 | 11.5-11.75 | 12-13.75 | 15-50 |
1.5 | 12-25 | 15.5-40 | |
1.7 | 140*140 | 3.0-3.75 | 300*600 400*500 450*450 | 7.5-7.75 | 900*1100 1000*1000 800*1200 | |
1.8 | 4.5-6.3 | 9.5-9.75 | |
2.0 | 7.5-7.75 | 11.5-11.75 | 20-60 |
2.2 | 9.5-9.75 | 12-13.75 | |
2.5-3.0 | 11.5-25 | 15.5-40 | |
3.25-4.0 | 160*160 | 3.0 | 400*600 500*500 | 9.5-9.75 | 1100*1000 1100*1100 | |
4.25-4.75 | 3.5-3.75 | 11.5-11.75 | 20-60 |
5.0-5.75 | 4.25-7.75 | 12-13.75 | |
7.5-8 | 9.5-25 | 15.5-40 | |
What are Galvanized Steel Pipes?
Galvanized steel pipes are steel pipes that have undergone a specialized coating process to prevent corrosion and increase their longevity. These pipes are typically made from carbon steel and are coated with a layer of zinc, forming a protective barrier between the steel and the surrounding environment. The zinc coating not only provides exceptional resistance against rust and corrosion but also enhances the overall strength of the pipe. They are also known as galvanizing pipes or pipes galvanized.Manufacturing Process
The manufacturing process of galvanized steel pipes involves several steps to ensure a durable and reliable end product. Here is a brief overview of the process:- Cleaning: The steel pipes are thoroughly cleaned to remove any impurities or residues, ensuring proper adhesion of the zinc coating.
- Pickling: The pipes are then immersed in an acidic solution to remove any mill scale or oxides present on the surface. This step further prepares the steel for the galvanizing process.
- Galvanizing: The cleaned and pickled pipes are submerged in a bath of molten zinc. Through a metallurgical reaction known as hot-dip galvanizing, the zinc forms a tightly bonded coating on the steel surface.
- Cooling and Inspection: After galvanization, the pipes are cooled and inspected for quality control. This step ensures that the zinc coating is uniform and free from any defects.
Benefits of Galvanized Steel Pipes
Galvanized steel pipes offer various benefits as listed below:- Exceptional Durability: Galvanized steel pipes are known for their remarkable durability. The zinc coating acts as a sacrificial layer, protecting the underlying steel from corrosion and extending the lifespan of the pipes.
- Corrosion Resistance: The primary benefit of galvanized steel pipes is their superior resistance to corrosion. They can withstand harsh environmental conditions, including moisture, chemicals, and even underground exposure.
- Longevity: Due to their excellent corrosion resistance, galvanized steel pipes have a significantly longer lifespan compared to regular steel pipes. They can last up to 50 years or more, reducing the need for frequent replacements.
- Low Maintenance: Galvanized steel pipes require minimal maintenance over their lifespan. The zinc coating acts as a self-healing barrier, ensuring that minor scratches or abrasions do not compromise the integrity of the pipe.
- Versatility: Galvanized steel pipes are suitable for a wide range of applications, including water supply systems, plumbing, gas pipelines, outdoor structures, fencing, and more. They are compatible with various fittings and connectors, providing flexibility in installation.
- Cost-Effective: Although galvanized steel pipes may have a higher initial cost compared to some other materials, their long lifespan and low maintenance requirements make them a cost-effective choice in the long run.
Product Details
Process Flow
Product Display
Company Profile
Development Events
Certifications
FAQ
Q1: How can I get a quotation from you ?
A1:You can leave us message, and we will reply every message in time. Or we may talk on line by We Chat / Whats app/Email.
Q2:Can I get samples before order ?
A2:Yes, of course. Usually our samples are free. we can produce by your samples or technical drawings. But the customer will pay the freight.
Q3:What product information must I provide before making a purchase ?
A3:Please provide the grade,width,thickness,and surface treatment requirement,as well as the quantities you require.
Q4:What about product pricing information?
A4:Prices vary due to changes in raw materials on a regular basis.
Q5:Can I have a visit to your factory?
A5: Of course.Our factory located at No.1,Hengtong Road,Daqiuzhuang Industrial Zone,Tianjin,China.Customers that from all over the world are welcomed to our factory.
Q6:How long is your lead time?
A6:If it is in stock, it is usually 5-10 days. Or, if there is no inventory, 15 days, depending on the quantity.
Q7:What are your payment terms?
A7:Payment<=1000USD, 100% in advance. Payment>=1000USD 30% T/T in advance ,balance before shippment.If you have another question, please feel free to contact us as below.
Address:
No. 1 Hengtai Road, Daqiuzhuang Town, Jinghai District, Tianjin, China
Business Type:
Manufacturer/Factory
Business Range:
Construction & Decoration, Metallurgy, Mineral & Energy
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, OHSAS/ OHSMS 18001
Company Introduction:
Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd. Includes 10 subsidiaries. It deserves a large united enterprise group with a registered fund of USD 65 million and fixed assets of USD 3.5 billion. Yuantai Derun is a professional manufacturer of hollow sections, ERW pipe, galvanized pipe and spiral pipe in China and is one of "The top 500 manufacturing enterprises" in China, annual output reaches 10 million tons.
Yuantai Derun has 7 production plants including 59 production lines of black ERW pipe, 10 production lines of galvanized pipe, 3 production lines of spiral welding pipe, 1 production lines of JCOE LSAW pipe. Total plants area covers 900 acres. Square pipe from 10*10*0.5mm~1000*1000*60mm, rectangular pipe from 10*15*0.5mm~1000*1100*60mm, Circular pipe from 3/4"X0.5mm~80"X40mm, LSAW steel pipe from Ø 355.6~Ø 2032mm, spiral pipe from Ø 219~Ø 2032mm, can be manufactured. Yuantai Derun can manufacture square rectangular pipe as per standards of ASTM A500/501, JIS G3466, EN10219, EN10210, AS1163.
Yuantai Derun has the biggest square rectangular pipe stock in China which can meet customer′s direct procurement requirement. Years of technology accumulation makes Yuantai Derun possessing a wealth of production experience which can greatly shorten the development and production cycle of non-standard steel pipe and speed up the delivery time of customized products. At the same time Yuantai Derun also pays attention to advanced technology research and production use of advanced equipment, the production lines of 500*500mm, 300*300mm and 200*200mm are the most advanced equipment in China which can realize the electronic-controlling automation from the forming to the finishing.
Advanced production equipment, superb technical force, excellent managing talents and solid financial strength guarantee the excellent pipe manufacturing. The products are widely used in many fields, including steel structure of building, automobile manufacture, shipbuilding, machinery manufacturing, bridge construction, container keel construction, stadiums construction, and large airport constructions. The products were used in China famous projects such as the National Stadium (The Bird′s Nest), the National Grand Theater and the HongKong-Zhuhai-Macao Bridge. Yuantai products are widely exported to Middle East, Southeast Asia, European Union, Africa, Latin America, USA etc.
Yuantai Derun had obtained the certificates of ISO9001-2008 International Quality Management System and EU CE10219 system. Now Yuantai Derun is striving to apply for "National Well-known Trademark"