Basic Info.
After-sales Service
Negotiate According to Specific Products
Warranty
Negotiate According to Specific Products
Surface Treatment
Galvanized
Usage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape
as Requested
Name
Carbon/Galvanized Steel Pipe
Length
as Your Requirement
Coating
Z30-Z40 or as Your Requirement
Oiled or Non-Oiled
Non-Oiled
Samples
Provided But The Postage Needs to Be Paid
Trade Terms
Fob,C&F,CIF,EXW
Standard
GB, ASTM, BS, GB/T 3091-2001, ASTM A106-2006, ASTM
Type of Pipe
Seamless&Welded
Shape
Round/Square/Rectangle
Uasge
Building Structures
Transport Package
Export Standard Package, Bundled or Be Required.
Specification
As Your Requirement
Product Description
Galvanized welded steel pipe Hot-dip galvanized steel pipes are widely used in construction, machinery, coal mines, chemicals, electric power, railway vehicles, automobile industry, highways, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery, greenhouse construction and other manufacturing industries.
Galvanized steel pipe is a welded steel pipe with a hot-dip galvanized or electro-galvanized layer on the surface. Galvanizing can increase the corrosion resistance of steel pipes and prolong the service life. Galvanized pipes are widely used. In addition to being used as pipeline pipes for general low-pressure fluids such as water, gas, and oil, they are also used as oil well pipes and oil pipes in the petroleum industry, especially in offshore oil fields, and oil heaters and condensers in chemical coking equipment. Pipes for coolers, coal distillation washing oil exchangers, and pipes for trestle piles, supporting frames for mine tunnels, etc.
Hot-dip galvanized pipe is to make the molten metal react with the iron matrix to produce an alloy layer, so that the matrix and the coating are combined. Hot-dip galvanizing is to pickle the steel pipe first. In order to remove the iron oxide on the surface of the steel pipe, after pickling, it is cleaned in the tank of ammonium chloride or zinc chloride aqueous solution or mixed aqueous solution of ammonium chloride and zinc chloride, and then sent to the in the hot dip bath. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life. The hot-dip galvanized steel pipe substrate undergoes complex physical and chemical reactions with the molten plating solution to form a corrosion-resistant zinc-iron alloy layer with a compact structure. The alloy layer is integrated with the pure zinc layer and the steel pipe substrate, so it has strong corrosion resistance.
Cold galvanized pipe is electro-galvanized, and the amount of galvanized is very small, only 10-50g/m2. Its corrosion resistance is much different than that of hot-dip galvanized pipe. In order to ensure the quality, most regular galvanized pipe manufacturers do not use electro-galvanized (cold plating). Only those small enterprises with outdated equipment use electrogalvanizing, and of course their prices are relatively cheap. The Ministry of Construction has officially issued an order to eliminate cold galvanized pipes with outdated technology, and not to use cold galvanized pipes for water and gas pipes. The galvanized layer of cold galvanized steel pipe is an electroplating layer, and the zinc layer is independently layered with the steel pipe substrate. The zinc layer is thin, and the zinc layer simply adheres to the steel pipe substrate and is easy to fall off. Therefore, its corrosion resistance is poor.
Rust removal method
(1). First, use a solvent to clean the surface of the steel to remove the organic matter on the surface.
(2). Then use tools to remove rust (wire brush), remove loose or inclined scale, rust, welding slag, etc.,
(3). Use pickling method.
Galvanizing is divided into hot-dip and cold-dip, hot-dip is not easy to rust, cold-dip is easier to rust.
Detailed Photos
Product Parameters
Product name | Galvanized steel pipe |
Brand Name | ZhongHeng |
Place of Origin | Shandong, China |
Shape | Round |
Application | Construction, Machinery, Coal Mine, Chemical Industry, Electric Power, Railway Vehicles, Automobile Industry, Highways, Bridges, Containers, Sports Facilities, Agricultural Machinery, Petroleum Machinery, Prospecting Machinery, Greenhouse Construction |
Outer Diameter | 30 - 300 mm |
Thickness | 0.8 - 12.75 mm/ As your require |
Length | 12M, 6m, 6.4M, Customer's Request |
Standard | EN, BS, JIS, etc |
Certificate | API, ce, Bsi, RoHS, SNI, BIS, SASO, PVOC, SONCAP, SABS, sirm, tisi, KS, JIS, GS, ISO9001 |
Technique | ERW |
Grade | Q195/Q215/Q235/Q345/10#/20# |
Surface Treatment | Galvanized |
Tolerance | ±1% |
Processing Service | Welding, Punching, Cutting, Bending, Decoiling |
Oiled or Non-oiled | Non-oiled |
Invoicing | By theoretical weight |
Delivery Time | 8-14 days |
Our Advantages
1. Factory Direct more than 20 years of production and operation
2. Acceptable and small batch production
3. Has passed the international standard quality test
4. 7*24 hours professional team service
5. Fast delivery date as short as seven days
6. One-step sales service to ensure after-sales level
Certifications
We have multiple quality system certifications to ensure that high-quality products reach your hands.
Packaging & Shipping
Standard Seaworthy Packing Or Customized.
Company Profile
Business Type | Industry and Trade Integrated Company | Country / Region | |
Main Products | Cold Rolled Steel Coil, Steel Pipe, Galvanized Steel Coil, Stainless Steel Plate/Sheet, Seamless Steel Tube | Ownership | |
Total Employees | | Total Annual Revenue | |
Year Established | | Certifications | ISO9001,GB,SGS |
Trademarks | | Main Markets | Africa 20.00% Mid East 15.00% North America 10.00% |
FAQ
1. What is your payment terms?
Zhongheng Steel prefers 30%TT before inspection and the rest 70% against BL. However, our price term is negotiable. Multiple payment terms are available from us.
2. Which payment method can I choose?
Zhongheng Steel accepts all types of secured payment methods. Bank transaction, Alibaba Trading Assurance, Paypal and etc are all available from us. Please feel free to contact us about your preferred payment method.
3. Is sample providing service available?
Zhongheng Steel provides free samples to our clients. We usually also cover the sample shipping cost. Please feel free to order a sample from us.
4. Is customization available?
Zhongheng Steel's expert equipment and highly-trained workers are capable of manufacturing highly customized products. Please feel free to discuss with us about your customized requirements, we can surely meet your needs.
5. What products and materials do you supply?
Zhongheng Steel mainly supplies all catalogs and all grades of steel and stainless steel products. Coils, strips, sheet, pipes, bars, beams, flanges and other customized products. Tin coating, Ti coating, galvanization and other surface treatments are also available.
Other than steel products,Zhongheng Steel also has high production capacity and holds large ready stock of all kinds of copper and aluminum products.
Please feel free to consult us about any related products above, we can surely meet your requirements.
6. Why should I choose you?
Zhongheng Steel Industry company has deeply engaged in metal material market for over 15 years. We established perfect reputation world-widely. Craftsmanship spirit is the fundamental of Zhongheng Steel since we are established. Zhongheng Steel keeps our products as highest quality and lowest price to maintain our self competitive. Proving our clients with best trading experience is the goal we always insist of.
7. How can I make sure you are a reliable supplier?
Zhongheng Steel is willing to provide our copies of company registration certificate, Alibaba registration and Chinese exporting registration for you to view. These certificates are under Chinese Trading Law effect. They can help you officially check our company's capability and status.
On the products' side, certificates as Mill Test Certificate(MTC), Third Party Material Quality Conformity Certificate and other required certificates are available before the order. Samples are also available from us for you to test in your own testing facility. Zhongheng Steel also supports third-party inspection before shipping. Zhongheng Steel also welcomes a company tour for you to check our factory status.
Address:
2010, J1, Wanda, Gaoxin District, Jinan, Shandong, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Construction & Decoration, Industrial Equipment & Components, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Tools & Hardware
Management System Certification:
ISO 9001, ISO 9000, HSE
Company Introduction:
Shandong Zhongheng Steel Group Co., Ltd. is a large-scale steel enterprise. The company is located in Jinan City, the capital of Shandong Province with convenient transportation.
The company′s main business: Various types of steel coil, steel plate, color steel coil, angle steel, channel steel, I-beam, H-beam, cold-rolled steel plate, square tube, seamless steel tube, stainless steel tube, steel bar, galvanized sheet, galvanized steel Coils and various profiles can meet the needs of customers in different industries for special specifications of various steels, and provide comprehensive solutions for non-ferrous metal products.
With many years of experience in the steel industry, the company has a strong ability to control the market. According to the market demand, the company can adjust the inventory in a timely manner. The annual inventory is more than 10, 000 tons, which can guarantee to meet the market demand. The sales network has spread all over the country and abroad, exporting to South America, Africa, Europe, the Middle East, Southeast Asia and more than 90 countries. Widely praised in the international market, and the export volume has always maintained a leading position in China.
The company has a perfect quality management system, and has the market advantages of full inventory and fast delivery.
Zhongheng Company adheres to the mission of "creating excellent quality and achieving a better life", and strives to become a beautiful enterprise that is respected by society, trusted by customers and proud of employees.