Carbon black seamless steel tube DIN17175 ST35

Carbon black seamless steel tube DIN17175 ST35

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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
Steel 20 (ASTM A106B)	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 is the buckling type thin-wall steel pipe? What is a tight set of thin-walled steel tubes? What's the difference between the two?: The nut body and the junction box are connected at one end by adopting metric fine tooth thread, and the pipe is connected with the pipe, and one end is the same as the straight pipe joint (direct). Withhold the box joint points inside and outside teeth two. The diameter of straight pipe joint is divided into 16mm, 20mm, 25mm, 32mm, 40mm, 50mm.

Q:How are steel pipes used in the manufacturing of desalination plants?: Steel pipes are used in the manufacturing of desalination plants to transport the seawater from the intake point to the treatment facilities. These pipes are durable, corrosion-resistant, and can withstand the high-pressure conditions required for the desalination process.

Q:Can steel pipes be used for underground gas pipelines?: Yes, steel pipes can be used for underground gas pipelines. Steel pipes are commonly used in the construction of gas pipelines due to their strength, durability, and resistance to corrosion. They provide a reliable and safe means of transporting gas underground.

Q:What are the different sizes of steel pipe nipples?: The sizes of steel pipe nipples vary depending on their intended use and application. Common sizes include 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", and 2". However, there are many other sizes available to cater to specific needs and requirements.

Q:What are the potential health hazards associated with steel pipe installation?: Some potential health hazards associated with steel pipe installation include exposure to hazardous chemicals used in the coating or treatment of the pipes, inhalation of dust or fumes generated during cutting or welding, and physical injuries due to accidents or mishandling of heavy equipment. Additionally, improper handling or disposal of waste materials and contaminated water can pose environmental health risks. It is important to follow proper safety protocols, use personal protective equipment, and ensure proper ventilation and waste management to mitigate these hazards.

Q:What is the difference between steel pipe and concrete pipe?: Steel pipe and concrete pipe are commonly used for various applications, but they have significant differences in material composition and properties. To begin with, the primary distinction lies in the materials utilized to manufacture these pipes. Steel pipes consist of steel, an alloy of iron and carbon. Conversely, concrete pipes are composed of a mixture of cement, aggregate (such as sand or gravel), and water. Additionally, steel pipes are renowned for their strength and durability. They can withstand high pressure, making them suitable for transporting fluids or gases under high pressure. Steel pipes also possess high resistance to corrosion, which is advantageous in environments exposed to moisture or chemicals. In contrast, concrete pipes are not as sturdy as steel pipes and are more prone to cracking or damage under high pressure. Nevertheless, they can still handle moderate pressure loads and are often employed in drainage systems or sewage applications. Another noteworthy difference is the installation process. Steel pipes are typically joined together through welding techniques like butt welding or socket welding, creating a seamless and robust connection between the pipes. Conversely, concrete pipes are often installed using rubber or gasketed joints, which are simpler to assemble and disassemble. Cost is another factor where steel and concrete pipes diverge. Steel pipes tend to be more expensive due to the higher cost of steel as a raw material and the additional labor required for welding and fabrication. On the other hand, concrete pipes are generally more cost-effective as the materials used in their production are more readily available and the installation process is simpler. In summary, the main disparities between steel pipes and concrete pipes revolve around their material composition, strength, resistance to corrosion, installation process, and cost. Steel pipes offer superior strength and durability, making them suitable for high-pressure applications and environments prone to corrosion. Concrete pipes, while not as robust, are cost-effective and commonly used in drainage systems or sewage applications.

Q:Can steel pipes be used for sewer systems?: Yes, steel pipes can be used for sewer systems. Steel pipes are commonly used for sewer systems due to their durability, strength, and resistance to corrosion. They are able to withstand heavy loads and can be used for both gravity and pressure sewer systems. Additionally, steel pipes provide a long service life, making them a suitable choice for sewer infrastructure.

Q:What are the different types of threading on steel pipes?: The different types of threading on steel pipes include tapered threads, straight threads, and buttress threads. Tapered threads are commonly used for pipes that will be screwed into fittings, while straight threads are typically used for pipes that will have a coupling or union attached. Buttress threads are designed for heavy-duty applications and provide increased strength and resistance to axial loads.

Q:What are the different methods of lining steel pipes?: There are several methods of lining steel pipes, including cement lining, epoxy lining, polyethylene lining, and bituminous lining. These methods are used to protect the inside surface of the steel pipes from corrosion, erosion, and other forms of damage, ensuring their longevity and optimal performance.

Q:How are steel pipes used in the manufacturing of sewage treatment plants?: Steel pipes are commonly used in the manufacturing of sewage treatment plants primarily for their durability, strength, and resistance to corrosion. These pipes are utilized for various purposes within the treatment process, including transporting sewage and wastewater between different treatment units, carrying chemicals for disinfection or neutralization, and providing structural support for the plant's infrastructure.

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