• 20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube System 1
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20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube

20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
1000 m.t./month
Option:
Ф108*6 Ф76*5 Ф89*8 Ф168*11 Ф114*6 Ф133*14 Ф159*6 other model please phone me

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Item specifice

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
Round
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Thickness:
3-100mm
Length:
12m
Net Weight:
1t

Product information

Product number: 15CrMoG

Executive standard: gb5310-2008

Chemical composition:

C
SiMnP
S
0.12~0.180.15~0.400.40~0.70≤0.025≤0.025
CrMo


0.80~1.200.45~0.60


20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube

Product application: usually 15CrMo steel is mainly used for high pressure pipe and steam guide pipe with steam parameter of 510℃, heat exchanger pipe with wall temperature of 550℃, etc.

Treatment process: hot rolling

Theoretical weight scale (unit: kg/m, mm) : (outer diameter - wall thickness)* wall thickness *0.02483=kg/ m (weight per meter)

Foreign similar type of steel, the former Soviet union's 15XM, American brand T12, P12, Japanese brand STBA22, STPA22 and German brand 13CrMo44 and so on.

20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube

15CrMo steel is widely used in the power industry. It has high thermal strength when used at 500℃-550℃.When the service temperature is greater than 550℃, its thermal strength performance is significantly reduced.Generally, 15CrMo steel is mainly used for high pressure pipe and steam guide pipe with steam parameters of 510℃ and heat exchanger pipe with wall temperature of 550℃


Company introduction:

Our company is a new force established by the Pipeline Industry Group in the 1980s. It relies on a large number of core technologies accumulated by the Group, together with strict quality control, physical and chemical testing, and carries out professional pipe fittings management in strict accordance with various standards. Products are widely used in petroleum, petrochemical, chemical, thermal power, boilers, four major pipelines, fertilizer, aviation nuclear power, metallurgy, shipbuilding, machinery and military fields.


Our company's main products mainly include elbows, elbows, tees, diameter pipes, pipe caps, sharp elbows, flanges, socket fittings, forged pipe fittings and difficult pipe fittings. In addition, our company has alloy steel pipe and seamless steel pipe for high-pressure boiler all the year round. After 10,000 tons of medium and low pressure boiler pipes, low temperature steel pipes and pipeline steel pipes.


All products adopt national standard: GB, DL695, GD87, GD2000, SH, HG and American standard ASME (ANSI), German standard DIN, Japanese standard JIS and other standards, and our company solemnly promises that all the company's pipe parts in accordance with the standard piece by piece for geometric size and appearance testing, ultrasonic thickness measurement, ultrasonic non-destructive testing, magnetic powder, coloring penetration and other tests, while our company resolutely takes the market as the test. Oriented, facing the following customized pipe fittings and difficult pipe fittings of customers, we also adopt the attitude of excellence in production, which has been well received by customers at home and abroad for many years, and has established a very high reputation in the same industry.

20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube

20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube

20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube


20G carbon steel tube high pressure boiler petroleum cracking large diameter alloy steel tube


Q:How are steel pipes measured and labeled?
Steel pipes are typically measured and labeled based on their outside diameter (OD) and wall thickness. The measurement is usually expressed in millimeters or inches. The label includes these dimensions, such as "2-inch OD, 1/8-inch wall thickness." Additionally, the length of the pipe may also be included in the labeling, ranging from standard lengths like 6 meters or 20 feet.
Q:Are steel pipes fire resistant?
Indeed, steel pipes possess fire-resistant properties. Steel, being a non-combustible substance, does not ignite or aid in the propagation of flames. Moreover, steel pipes exhibit a remarkable resistance to high temperatures, allowing them to endure extreme conditions. Consequently, they are ideal for situations demanding fire resistance. Furthermore, steel is a resilient material that maintains its structural integrity and does not deteriorate when subjected to fire. Consequently, steel pipes are frequently selected for fire protection systems, including building sprinkler systems, as well as for industrial purposes when confronted with fire risks.
Q:What are the industries that commonly use steel pipes?
Some of the industries that commonly use steel pipes include construction, oil and gas, water and wastewater treatment, mining, manufacturing, automotive, and infrastructure development.
Q:Could you tell me what difference between SC galvanized steel pipe and MT wire pipe?
SC galvanized steel pipe, its pipe wall thickness, generally 20 steel pipe in 2.2-2.8mm. Also, we often refer to tap water galvanized steel pipe.MT wire pipe, its pipe wall is thin, generally 20 steel pipe in 1.5-2.2mm.
Q:Can steel pipes be used for conveying hazardous chemicals?
Yes, steel pipes can be used for conveying hazardous chemicals. Steel pipes are known for their high strength and durability, making them suitable for handling various substances, including hazardous chemicals. They can withstand high pressure and temperature, ensuring the safe transportation of these chemicals. Additionally, steel pipes have excellent resistance to corrosion, which is crucial when dealing with corrosive and potentially dangerous substances. Moreover, steel pipes can be easily welded and connected, allowing for a secure and leak-proof transport system. However, it is important to consider the specific requirements of the chemicals being transported and ensure that the steel pipes are properly designed, coated, and maintained to prevent any potential risks or reactions with the hazardous substances.
Q:What are the different methods of inspecting steel pipes?
There are several methods of inspecting steel pipes, including visual inspection, ultrasonic testing, magnetic particle testing, dye penetrant testing, radiographic testing, and eddy current testing.
Q:What is the difference between steel pipes and concrete-lined pipes?
The main difference between steel pipes and concrete-lined pipes lies in their composition and structural properties. Steel pipes are primarily made of steel, which provides strength, durability, and resistance to corrosion. On the other hand, concrete-lined pipes are steel pipes that have been coated with a layer of concrete. This concrete lining adds an extra layer of protection against corrosion and also provides additional structural stability. Concrete-lined pipes are commonly used in applications where protection against corrosion and abrasion is crucial, such as in water distribution systems or sewage pipelines. In contrast, steel pipes are often used in various industries where strength and durability are vital, such as oil and gas pipelines or structural applications.
Q:Can steel pipes handle extreme weather conditions?
Yes, steel pipes are known for their durability and ability to withstand extreme weather conditions. They are resistant to corrosion, rust, and can handle high temperatures, making them suitable for various climate conditions.
Q:What is the theoretical weight per square meter of the steel pipe diameter of the outer frame and the thickness of the tube wall 3mm 48mm?
The outer steel tube diameter is 48mm, the tube wall thickness is 3mm, the theoretical weight per meter is 3.3291kgCalculation formula: (outside diameter wall thickness) * wall thickness *0.02466(48-3) *3*0.02466=3.3291kg
Q:How are steel pipes used in railway infrastructure?
Steel pipes are used in railway infrastructure for various purposes such as constructing bridges, tunnels, and track supports. They are also used for drainage systems, signaling and telecommunication cables, and as conduits for electrical wiring.

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