Galvanized Low Carbon Steel Pipe

1.Nominal wall thickness(mm):2.0 2.5 2.8 3.2 3.5 3.8 4.0 4.5
2.Coefficient c 1.064 1.051 1.045 1.040 1.036 1.034 1.032 1.028
3.Steel grade: Q215A; Q215B; Q235A; Q235B:Q345B
4.Test pressure value / Mpa: D10.2-168.3mm is 3Mpa; D177.8-323.9mm is 5Mpa.
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Product Details

Galvanized pipe, also known as galvanized steel pipe, is divided into hot-dip galvanizing and electro-galvanizing. The hot-dip galvanizing layer is thick, with uniform coating, strong adhesion and long service life.  the surface of electroplating is not smooth like hot-dip galvanizing .But The cost is low.and its corrosion resistance not well than that of hot-dip galvanized pipes.

Nominal wall thickness mm 2.0 2.5 2.8 3.2 3.5 3.8 4.0 4.5

Coefficient c 1.064 1.051 1.045 1.040 1.036 1.034 1.032 1.028

Steel grade: Q215A; Q215B; Q235A; Q235B:Q345B

Test pressure value / Mpa: D10.2-168.3mm is 3Mpa; D177.8-323.9mm is 5Mpa. 

Benefits of Galvanized Steel

Galvanized steel is most commonly used for construction. Galvanizing achieves the following two lines of defense:

Sacrificial Layer

The zinc coating provides a physical barrier that serves as a sacrificial seal. As a result, any damage from potential impact, scratching, drilling and cutting will affect the outer zinc barrier first, leaving the underlying steel protected.

Protection from Oxidation

Galvanizing provides additional protection from corrosive substances in the atmosphere. The zinc is more reactive than the iron in steel, so atmospheric oxygen will first react with the zinc rather than the iron, thereby oxidizing the zinc coating and delaying corrosion to the underlying steel.

Production steps

a, round steel preparation;

b, heating;

c, hot rolling perforation;

d, cutting head;

e, pickling;

f, grinding;

g, lubrication;

h, cold rolling processing;

i, degreasing;

j, solution heat treatment;

k, straightening;

l, cutting tube;

m, pickling;

n, finished product inspection.

Application :

Galvanized pipes 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. The cooler, the tube for the coal-distilled oil-washing exchanger, the bridge tube pile, the support tube for the mine tunnel, and the like.

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