Product Description
Zhengde Galvanized steel pipes are divided into cold-galvanized
pipes and hot-dip galvanized pipes. According to the shape, they
are divided into galvanized round pipes and galvanized square
rectangular pipes. Both the substrate 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 by ammonium chloride or zinc chloride
aqueous solution or a mixed aqueous solution of ammonium chloride
and zinc chloride, and then sent to hot-dip coating tank. Hot-dip
galvanizing has the advantages of uniform coating, strong adhesion
and long service life.
DN125, DN200, DN450 and other models are large-sized galvanized
steel pipes. Their outer diameters are relatively large, ranging
from 140mm to 219.1mm, and the wall thickness and weight also
increase accordingly.
| DN | outer diameter | Ordinary steel pipe | Thickened steel pipe |
| MM | MM | Deviation | Thickness | welded pipe(kg/m) | Galvanized pipe(kg/m) | Thickness | welded pipe(kg/m) | Galvanized pipe(kg/m) |
| MM | Deviation | MM | Deviation |
| 6 | 10.2 | | 2.0 | | 0.40 | 0.4256 | 2.5 | | 0.47 | 0.50 |
| 8 | 13.5 | | 2.3 | +12%
-15% | 0.62 | 0.64 | 2.75 | +12%
-15% | 0.73 | 0.75 |
| 10 | 17 | | 2.3 | 0.82 | 0.84 | 2.75 | 0.97 | 1.00 |
| 15 | 21.3 | ±0.5mm | 2.8 | 1.26 | 1.30 | 3.25 | 1.45 | 1.49 |
| 20 | 26.8 | 2.8 | 1.63 | 1.68 | 3.50 | 2.01 | 2.07 |
| 25 | 33.5 | 3.3 | 2.42 | 2.49 | 4.00 | 2.91 | 3.00 |
| 32 | 42.3 | 3.3 | 3.13 | 3.22 | 4.00 | 3.78 | 3.89 |
| 40 | 48 | 3.5 | 3.84 | 3.96 | 4.25 | 4.58 | 4.72 |
| 50 | 60 | ±1% | 3.5 | 4.88 | 5.03 | 4.50 | 6.16 | 6.34 |
| 65 | 75.5 | 3.8 | 6.64 | 6.84 | 4.50 | 7.88 | 8.12 |
| 80 | 88.5 | 4.0 | 8.34 | 8.59 | 4.75 | 9.81 | 10.10 |
| 100 | 114 | 4.0 | 10.85 | 11.18 | 5.00 | 13.44 | 13.84 |
| 125 | 140 | 4.5 | 15.04 | 15.49 | 5.50 | 18.24 | 18.79 |
| 150 | 165 | 4.5 | 17.81 | 18.34 | 5.50 | 21.63 | 22.28 |
Our Advantages
Galvanized round pipe
Galvanized round pipe is a common building material, mainly used in
indoor and outdoor pipes, electrical wiring, ventilation pipes and
mechanical structures and other fields. It has the characteristics
of corrosion resistance, wear resistance, high strength, easy
processing and installation, so it is widely used in various
fields. In the field of construction, galvanized round pipes are
mainly used for water and electricity pipes, HVAC systems and fire
pipes, etc.; in terms of mechanical structures, they can be used as
machine parts, auto parts and steel structures; in terms of
furniture manufacturing, they can be used for manufacturing Table
chairs and bed frames etc. In short, galvanized round pipes are
very versatile and can meet the needs of various fields.
Galvanized Square Tube
Galvanized square pipe is a kind of steel pipe with anti-corrosion
function, which is suitable for construction, structure,
electrical,
Public services, automobile manufacturing and many other
industries. Specific uses include:
1. Construction field: underground pipelines, outdoor and indoor
building pipelines, building structures, decorative materials
wait.
2. Electrical field: power lines, communication lines, cable
sheaths, generator sets, etc.
3. Machining: Simple operation and convenient operation, so it is
widely used in machine tools, automobile manufacturing,
Food machinery and other fields.
4. Public services: highway tunnels, green belts, park squares,
etc.
Qquality assurance
To choose a steel pipe company with product quality assurance,
judge whether the company meets the relevant national production
standards and quality standards by inquiring about the company's
production license certificate, quality certification certificate
and other details. Secondly, pay attention to the quality of the
steel pipe, whether there are cracks, bubbles and other defects on
the surface, and whether the product identification is complete and
clear. In the process of use, it is also necessary to pay attention
to regular cleaning to prevent the steel pipe from rusting and
other phenomena, so as to prolong the service life of the steel
pipe.
Galvanized steel pipe application
Galvanized steel pipe refers to a pipe coated with a layer of zinc
on the surface of ordinary steel pipes to form a protective layer
to prevent corrosion of steel pipes. Its corrosion resistance and
mechanical properties are much better than clarinet and seamless
steel pipes, and its appearance is more beautiful. It is widely
used in construction, machinery, chemical industry, electric power
and other industries. Zhengde galvanized steel pipe is a commonly
used building material and is widely used in construction, industry
and rural areas. For steel pipes, safety and quality are the most
critical factors. The standard is to ensure the safety, quality and
order of steel pipes.
Quality first: production and inspection in strict accordance with
production standards;
Price advantage: discounts based on real market prices;
Transaction security: There will be no loss of customer funds;
After-sales guarantee: the customer's problem is our problem;
Long-term cooperation: quality assurance, price advantage, sincere
service can last for a long time.
Detailed Photos
Packaging & Shipping
Company Profile
Shandong Zhengde Metal Manufacturing Co., Ltd. is a production and sales company integrating hot-rolled steel
coils, cold-rolled steel coils, galvanized steel coils,
color-coated steel coils, section steel, steel pipes, steel wires,
metal mesh, stainless steel, aluminum, copper and other metal
products integrated large enterprises. Five production and sales
bases have been formed in Binzhou, Liaocheng, Wuxi, Tianjin, Jinan
and Tai'an, with more than 100 production lines, 4 nationally
recognized laboratories, 2 technical engineering centers, and 5
enterprise technology centers. Products are exported to more than
50 countries and regions such as North America, South America,
Europe, Africa, Oceania, Middle East, and Southeast Asia.
Certifications
