• Rectangular Seamless Hot Rolled Black Steel Pipe GR.B Price System 1
  • Rectangular Seamless Hot Rolled Black Steel Pipe GR.B Price System 2
Rectangular Seamless Hot Rolled Black Steel Pipe GR.B Price

Rectangular Seamless Hot Rolled Black Steel Pipe GR.B Price

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
10000 m.t./month

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1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade:  10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension: 

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8.packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

 

 

9. Surface: painted with varnish;

10. Plastic caps at ends.

11. Tolerance: OD   +1%/-1%

                WT  +12.5%/-10%

12. Chemical composition:

 

Models of Steel Pipes

Chemical Component

 

Steel 20

 (ASTM A106B)

C

Si

Mn

P

S

Cu

Ni

Cr

0.17~0.24

0.17~0.37

0.35~0.65

0.035max

0.035max

0.25max

0.25max

0.25max

Steel45 (ASTM 1045)

0.42~0.50

0.17~0.37

0.50~0.80

0.035max

0.035max

0.25max

0.25max

0.25max

16Mn(Q345B)

0.12~0.20

0.20~0.55

1.20~1.60

0.035max

0.035max

0.25max

0.25max

0.25max

45Mn2 ( ASTM1345)

0.42~0.49

0.17~0.37

1.40~1.80

0.035max

0.035max

0.3max

0.3max

0.30max

 


Q:What does GALV mean in a steel tube?
GALV is the abbreviation of English galvanized (Galvanized), which means galvanized steel pipe.
Q:Can steel pipes be used for underground chemical injection?
Yes, steel pipes can be used for underground chemical injection. Steel pipes are known for their durability and corrosion resistance, making them suitable for various applications, including underground chemical injection. However, it is also important to consider the type of chemical being injected and verify if steel pipes are compatible with the specific chemical to avoid any potential reactions or degradation.
Q:Can steel pipes be used for food processing facilities?
Yes, steel pipes can be used for food processing facilities. Steel pipes are commonly used in the food industry due to their durability, resistance to corrosion, and ease of cleaning. They are also suitable for various processes such as conveying liquids, gases, and solids, making them a reliable choice for food processing facilities.
Q:Can steel pipes be used for transporting liquids?
Yes, steel pipes can be used for transporting liquids. Steel pipes offer excellent strength, durability, and resistance to corrosion, making them suitable for various applications, including the transportation of liquids such as water, oil, and gas.
Q:What is the electrical conductivity of steel pipes?
The electrical conductivity of steel pipes is relatively low, as steel is a poor conductor of electricity.
Q:What are the common methods for repairing steel pipes?
Some common methods for repairing steel pipes include welding, pipe wrapping, pipe relining, and pipe bursting.
Q:What are the advantages of using steel pipes in the manufacturing of appliances?
There are several advantages of using steel pipes in the manufacturing of appliances. Firstly, steel pipes offer high strength and durability, making them ideal for handling heavy loads and withstanding harsh conditions. Secondly, steel pipes have excellent corrosion resistance, ensuring longevity and preventing damage from exposure to moisture or chemicals. Furthermore, steel pipes provide a smooth interior surface, promoting efficient flow of liquids or gases within the appliances. Lastly, steel pipes are recyclable, making them a sustainable choice and contributing to environmental conservation.
Q:How many meters per ton of steel tube?
Formula of steel tube: (outside diameter wall thickness) * wall thickness *0.02466= per meter weight1000 divided by the weight per metre is how many meters per ton
Q:Can steel pipes be used for pharmaceutical manufacturing plants?
Yes, steel pipes can be used for pharmaceutical manufacturing plants. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for transporting various fluids and chemicals used in pharmaceutical production. Additionally, steel pipes can be easily sanitized and meet industry standards for cleanliness, making them a reliable choice for pharmaceutical manufacturing facilities.
Q:What are the common uses of stainless steel pipes?
Various industries widely use stainless steel pipes for numerous purposes. Some common applications of these pipes include: 1. Plumbing and Water Supply: Stainless steel pipes are popularly utilized in residential, commercial, and industrial plumbing systems due to their resistance against corrosion, durability, and capacity to handle high-pressure situations. They are also employed in water treatment plants and wastewater management systems. 2. Oil and Gas Industry: The oil and gas industry extensively relies on stainless steel pipes for the transportation of oil, gas, and other fluids. These pipes can endure high temperatures, pressure, and corrosive environments, making them ideal for this sector. 3. Food and Beverage Industry: The food and beverage industry frequently employs stainless steel pipes because of their hygienic properties and ability to resist corrosion. These pipes are commonly used for the transportation of liquids, gases, and food products in processing plants, breweries, wineries, dairies, and other food-related facilities. 4. Chemical and Petrochemical Industry: Stainless steel pipes play a critical role in the chemical and petrochemical industry, where they are utilized for transporting corrosive chemicals, acids, and other hazardous substances. The pipes' resistance to corrosion and high temperatures makes them suitable for these demanding applications. 5. Construction and Architecture: Stainless steel pipes are utilized in construction and architecture for various purposes such as providing structural support, creating handrails, guardrails, and decorative elements. Their strength, durability, and aesthetic appeal make them a popular choice in contemporary architectural designs. 6. Automotive and Transportation: The automotive industry relies on stainless steel pipes for exhaust systems, fuel lines, and other components that require resistance to high temperatures and corrosion. These pipes are also used in the transportation of fluids and gases in ships, trains, and airplanes. 7. Pharmaceutical Industry: The pharmaceutical industry necessitates high-quality materials that adhere to stringent sanitary standards. Stainless steel pipes are commonly used in pharmaceutical manufacturing processes for transporting liquids, gases, and chemicals due to their cleanability, resistance to corrosion, and compatibility with pharmaceutical products. 8. Power Generation: Stainless steel pipes find applications in power plants, both conventional and renewable, for various purposes such as steam lines, condensers, and heat exchangers. These pipes are selected for their ability to withstand high temperatures, pressure, and corrosive environments. In conclusion, stainless steel pipes have a wide range of applications in various industries, including plumbing, oil and gas, food and beverage, chemical and petrochemical, construction, automotive, pharmaceutical, and power generation. Their resistance to corrosion, durability, and ability to handle high temperatures and pressure make them a versatile and reliable choice for numerous industrial applications.

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