Galvanized Steel Pipe DX51D
Galvanized steel pipe is an alloy layer formed by the reaction
between molten metal and iron matrix, which combines the matrix and
the coating. Hot-dip galvanizing is a process of pickling steel
pipes. In order to remove the iron oxide on the surface of steel
pipes, after pickling, the pipes are cleaned through ammonium
chloride or zinc chloride aqueous solution or ammonium chloride and
zinc chloride mixed aqueous solution tank, and then sent into the
hot-dip galvanizing tank.Hot-dip galvanizing has the advantages of
uniform coating, strong adhesion and long service life. Complex
physical and chemical reactions occur between the steel tube matrix
and the molten plating solution, resulting in a zinc-iron alloy
layer with a close corrosion resistance structure. The alloy layer
is integrated with pure zinc layer and steel tube matrix.
Therefore, it has strong corrosion resistance. Galvanized steel
pipe are widely used, in addition to pipelines for general
low-pressure fluids such as water, gas, oil, etc., and also used as
oil well pipes and oil pipes in the petroleum industry, especially
in offshore oil fields, and oil heaters and condensation of
chemical coking equipment. Cooler, coal distillate oil exchanger
pipe, and trestle pipe pile, support pipe for mine tunnel, etc.
Product Description
Product Name | Hot Dip Galvanized Steel Pipe/Tube |
Standard | ASTM, BS, GB, DIN, JIS, EN, etc. |
Shape | Round/Square/Rectangular |
Steel Grades | Q235A; Q235B, etc. |
Wall Thickness | 0.50-6.0 mm |
Zinc Coating | 60 g/m2-700 g/m2 |
Length | 2m-5.8m/6m/12m or customized |
Proportionality Coefficient (c) | 1.064, 1.051, 1.045, 1.040, 1.036, 1.034, 1.032, 1.028 |
Normal spangle
Through addition of certain heavy metal element into molten zinc
bath, regular spangle pattern is produced on Hot-dip zinc-coated
steel sheet.Minimized spangle
The zinc layer(coating) does Not contain Lead(Pb), which complies
with EU WEEE and RoHS directives. This is a non-toxic and
environmental friendly material.Spangle-free
During hot-dip galvanizing, only a certain amount of aluminum is
added to the zinc solution, and lead-free, antimony, and tin are
not added to produce spangle-free products.Round Galvanized Steel Pipe
Inch | OD(Outer diameter) | ID(Inner diameter) |
1/2” | 21mm | 15mm |
3/4” | 26mm | 20mm |
1” | 33mm | 25mm |
1-1/4” | 42mm | 32mm |
1-1/2” | 48mm | 40mm |
2” | 60mm | 50mm |
2-1/2 | 76mm | 65mm |
3” | 89mm | 80mm |
4” | 114mm | 100mm |
5” | 140mm | 125mm |
6” | 165mm | 150mm |
8” | 219mm | 200mm |
Galvanized Steel Pipe/Tube products are mainly used in
construction, light industry, automobile, agriculture, animal
husbandry, fishery and other industries. Such as building roofs,
highway guardrails, sheet metal processing, roof grilles, household
appliance enclosures, ventilation ducts, chimneys, kitchen
utensils, grain storage and transportation, frozen processing of
meat and aquatic products, etc.
Main Features of Galvanized Steel
Anticorrosive: 13 years in heavy industrial areas, 50 years in the
ocean, 104 years in the suburbs and 30 years in cities.
Cheap: The cost of hot-dip galvanizing is lower than that of other
coatings.
Reliable: The zinc coating is metallurgically bonded to the steel
and forms part of the steel surface,so the coating is more
durable.
Strong toughness: The galvanized steel sheet layer forms a special
metallurgical structure that can withstand mechanical damage during
transportation and use.
Comprehensive protection: Every part of the plated piece can be
galvanized, and is fully protected even in depressions,sharp
corners,and hidden places.
Save time and energy: Galvanizing process is faster than other
coating methods.
Our Services & Strength :We have advanced technology and
equipment, strict detection means, scientific management to
guarantee the high-quality, stability and reliability for every
batch of product dispatched from the factory. Also, our company has
many years of foreign trade experience and has established long
term trade cooperation with many foreign companies. All of us are
ready to start the business cooperation with you.
Q:Can you send samples?
A:Of course, we can send samples to all parts of the world, our
samples are free, but customers need to bear the courier costs.
Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the
number of tons you need to purchase.
Q:About product prices?
A:Prices vary from period to period due to cyclical changes in the
price of raw materials.
Q:What are the certifications for your products?
A:We have ISO 9001, SGS, EWC and other certifications.
Q:How long does your delivery time take?
A:In general, our delivery time is within 30-45 days, and may be
delayed if the demand is extremely large or special circumstances
occur.
Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit
our factory. However, some of the plants are not open to the
public.
Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality
before packaging, and unqualified products will be destroyed.