Shandong Kuaima  Steel Co., Ltd.

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boiler steel pipe

boiler steel pipe

Focusing on boilers for power generation, we have been producing boiler steel pipes and steel pipes for all fields until now.

Stainless Steel Pipe

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aluminum tube

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Titanium tube

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Seamless steel pipe

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Galvanized steel pipe

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Shaped Steel Pipe

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Welded Steel Pipe

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boiler steel pipe

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PRODUCT DESCRIPTION

Boiler steel pipe

Boiler tubes are metal tubes located inside a boiler and used to heat water to produce steam.

Characteristics of boiler tubes

Boiler tube often work under high temperature and pressure, pipe flue water in the high temperature steam will be oxidation and corrosion effects, so the requirement of durable steel with high strength, high oxidation resistance and good organizational stability, high pressure boiler tube in addition to the chemical composition and mechanical properties, the root to do the hydraulic test, the need for flaring, flattening test. Steel to heat treatment delivery. In addition, the finished steel microstructure, grain size, decarburization, etc. also have certain requirements.High-pressure boiler tube belongs to the seamless steel tube category. Seamless steel tubes are manufactured in the same way, but are used to manufacture steel tubes with strict requirements. High pressure boiler tubes are often used under high temperature and pressure conditions, and the tubes are subject to oxidation and corrosion under the action of high temperature gas and water vapor. Durable steel is required to have high strength, high oxidation and corrosion resistance, and good organizational stability.High pressure boiler tubes are mainly used to manufacture superheater tubes, reheater tubes, air tubes and main steam tubes for high pressure and high pressure boilers. Heating surface tubes for low and medium pressure boilers (working pressure generally does not exceed 5.88Mpa, working temperature below 450℃) with high pressure boiler tubes; for high pressure boilers (working pressure generally above 9.8Mpa, working temperature between 450℃ and 650℃) with heating surface tubes, coal conservators, superheaters, reheaters, and tubes for petrochemical industry.

PRODUCT DESCRIPTION

How to choose a good quality boiler tube?

When choosing boiler tubes, look at the following to select a suitable and good quality tube.Look at the cross-section of the tube. A good quality seamless tube will have a smooth cross-section with no bumps or irregularities.Check the density of the pipe to know the percentage of impurities in the pipe. If the pipe shows a low density, avoid it!Check the surface of the boiler tube. A good quality boiler tube has a smooth surface. If a rough and uneven surface is found, you can be sure that the quality is not acceptable.Small diameter high pressure boiler tube surface defects affect the quality, mainly the generation of scrap.

Specification

boiler steel pipe

Item

Boiler tube,high pressure boiler tube, carbon steel tube, 

 alloy steel tube,Seamless steel tube

Boiler pipe,high pressure boiler pipe,  carbon steel pipe,  

alloy steel pipe,seamless steel pipe

Standard

GB5310-2008,ASTM SA106,ASME SA210,ASME SA213

DIN17175-79,GB3087-2008

 

 Material

Carbon steel grade:

ASTMA179,A192,A178 GR.C,A210 A1,ASTM A210 C,DIN 17175 ST35.8,

10#,20G,20mnG,25MnG,,19Mn5,ST45.8-III

Alloy steel grade:

ASTM A213 (T2,T11,T12,T22,T9),ASTM A200 T5,ASTM A199 (T11,T22),

16Mn,Q345A,Q345B,Q345C,Q345D,Q345E,15CrMoG, 12CrMo,15CrMo,

13CrMo44,10CrMo910,12CrMo195,X12CrMo91,12Cr2Mo,1Cr5Mo,15Mo3,

12Cr1MoVG,12Cr2MoWVTiB,10Cr9Mo1VNb

 

 

 Dimensions

Out diameter: 10mm~3050mm

Wall Thickness: 1mm~300mm

Length:1m~15m or customize

Surface treatment

Black painted, black varnish, transparent oil, hot galvanized, 

3PE,epoxy coating,BE,PE.HDPE,NACE etc.

 

Package

 Standard export package,or as required

 

 

 

 

Application

Steel pipe can be used in the pipeline, thermal technology equipment, 

industrial machinery, petroleum geological exploration, containers, chemical 

industry, and special purpose

(1) general boiler tube is mainly used to produce water wall tube, water pipe, 

superheated steam tube, locomotive boiler superheated steam pipe, large 

and small pipe and tube arch brick, etc.

(2) high pressure boiler tube is mainly used to manufacture high-pressure 

and ultrahighpressure boiler superheater tubes, reheater tube, airway,

 such as main steam pipe.

Product Applications

Use of boiler tubes

Boiler tubes can withstand temperatures up to 700°C and pressures up to 300 bar, and are therefore mainly used in energy equipment. They are most commonly used for steam pipes and steam boilers.
The use of boiler tubes is often determined by their additional properties. For example, acid-resistant boiler tubes are ideal for building installations that transport various chemicals because they are resistant to corrosion. On the other hand, heat-resistant boiler tubes do not deform even under the influence of high temperatures. In addition, their structural composition includes special steel alloys that minimize wear and tear.
Using thick-walled boiler tubes is worthwhile if we want to combine high strength with relatively low weight in the installation. They are also a good choice for installations where hot liquids need to be transported under pressure. Stainless steel boiler tubes are also often used. They are covered with an additional layer that protects them from corrosion, allowing them to be used in wet conditions.

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