Seamless steeI tubes for structures

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Chat Online

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Seamless Steel Tubes For Elevated Temperatures

ASTM 53 ERW welded pipes--Tube and Pipe

Oil Tubing / Petroleum Pipe

Hot-rolled seamless steel tubes for hydraulic pillar service

Seamless Steel Pipe of Top Supplier

Carbon Seamless steel pipe balck ASTMA106 GRADE B

Seamless steel pipe ASTM A106/API 5L/ASTM A53 grade B high quality

Square tube and rectangular tube for building structure

Standards：
GB，_r81 62 Chinese national standard
ASTM A53 Standard of American Society of Testing Materials
ASME SA53 Boiler and pressure vessel--c-Ojrde of ASME
Application：
Seamless steel tubes for manufacturing pipelines。vessels，equipment and mechanical structures
Models of major steeI tubes：
1 O，20，35、45，Q345，1 5CrMo，1 2Crl MoV,A53A，A53B，SA53A，SA53B, etc．

Diamensional tolerances:

Types of steel tubes	Outer diameter		Wall thickness
Cold-rolled tubes	Tube sizes(mm)	Tolerances(mm)	Tube sizes (mm)	Tolerances(mm)
	＞30～50	±0.3	≤30	±10％
	＞50～219	±0.8％	≤30	±10％
Hot-rolled tubes	＞219	±1.0％	＞20	±10％

Mechanical properties：

Standard codes	Models of steel tubes	Tensite strength（MPa）	Yield strength（MPa）	Elongation（％）
GB/T8162	10	≥335	≥205	≥24
	20	≥390	≥245	≥20
	35	≥510	≥305	≥17
	45	≥590	≥335	≥14
	Q345	≥490	≥325	≥21
	15CrMo	≥440	≥295	≥22
	12Cr1MoV	≥490	≥245	≥22
ASTM A53 ASME SA53	A	≥330	≥205	Check the table in ASTM A 53 Check the table in ASME SA53
ASTM A53 ASME SA53	B	≥415	≥240	Check the table in ASTM A 53 Check the table in ASME SA53

Chemical composition:

Standard codes	Models of steel tubes	Chemical compositions（％）
Standard codes	Models of steel tubes	C	Si	Mn	P	S	Cu	Ni	Mo	Cr	V
GB/T8162	10	0.07～0.14	0.17～0.37	0.35～0.65	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.15	/
	20	0.17～0.24	0.17～0.37	0.35～0.65	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25	/
	35	0.32～0.40	0.17～0.37	0.50～0.80	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25	/
	45	0.42～0.50	0.17～0.37	0.50～0.80	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25	/
	Q345	0.12～0.20	0.20～0.55	1.20～1.60	≤0.035	≤0.035	≤0.25	≤0.25	/	≤0.25	/
	15CrMo	0.12～0.18	0.17～0.37	0.40～0.70	≤0.035	≤0.035	≤0.25	≤0.30	0.40～0.55	0.80～1.10	/
	12Cr1MoV	0.08～0.15	0.17～0.37	0.40～0.70	≤0.035	≤0.035	≤0.25	≤0.30	0.25～0.35	0.90～1.20	0.15～0.30
ASTMA53 ASMESA53	A	≤0.25	/	≤0.95	≤0.05	≤0.06	≤0.40	≤0.40	≤0.15	≤0.40	≤0.08
ASTMA53 ASMESA53	B	≤0.30	/	≤1.20	≤0.05	≤0.06	≤0.40	≤0.40	≤0.15	≤0.40	≤0.08

Q:How are steel pipes used in the manufacturing of wind turbines?: Steel pipes are used in the manufacturing of wind turbines primarily for constructing the tower, which provides structural support and stability to the turbine. These steel pipes are typically large in diameter to withstand the strong winds and carry the weight of the turbine components. Additionally, steel pipes are also utilized for the transmission of electrical cables within the turbine, ensuring efficient power generation.

Q:Can steel pipes be used for wastewater treatment plants?: Yes, steel pipes can be used for wastewater treatment plants. Steel pipes are commonly used in wastewater treatment plants due to their durability, strength, and resistance to corrosion. They are suitable for conveying and transporting various types of wastewater and can withstand the harsh and corrosive environment found in these facilities. Additionally, steel pipes can be easily welded and joined, allowing for efficient installation and maintenance processes.

Q:What is the typical lifespan of steel pipes?: The typical lifespan of steel pipes can vary depending on various factors such as the quality of the steel, the environment they are exposed to, and the maintenance and care they receive. However, on average, steel pipes can have a lifespan of anywhere between 20 to 100 years or more.

Q:Are steel pipes affected by magnetic fields?: Yes, steel pipes can be affected by magnetic fields. Steel is a ferromagnetic material, which means it is strongly attracted to magnets and can be magnetized. When exposed to a magnetic field, steel pipes can become magnetized, causing them to behave like magnets themselves. This magnetic effect can have several implications. First, if steel pipes are near strong magnetic fields, such as those generated by electrical currents or powerful magnets, they can experience a force that may cause them to move or vibrate. This can be problematic in certain applications, especially if the pipes need to remain stable and secure. Second, the presence of magnetic fields can induce electrical currents in steel pipes. These currents, known as eddy currents, can generate heat and energy losses. In some cases, this can lead to inefficiencies and increased energy consumption in systems that involve steel pipes. Lastly, magnetic fields can also affect the accuracy of magnetic measurement devices used to detect defects or corrosion in steel pipes. The presence of a magnetic field can interfere with the readings, making it more challenging to accurately assess the condition of the pipes. To mitigate these effects, various measures can be taken. For instance, in applications where stability is crucial, steel pipes can be shielded or isolated from strong magnetic fields using non-magnetic materials. Additionally, the impact of eddy currents can be minimized by using pipes with proper insulation or by using magnetic shielding techniques. Overall, while steel pipes are indeed affected by magnetic fields, the extent of the impact depends on factors such as the strength of the magnetic field, the composition of the steel, and the specific application or environment in which the pipes are used.

Q:Can steel pipes be used for the construction of tunnels?: Yes, steel pipes can be used for the construction of tunnels. Steel pipes are commonly used in tunnel construction for various purposes such as drainage, ventilation, and utility installations. They are strong, durable, and can withstand high pressures and loads, making them suitable for tunnel applications. Additionally, steel pipes can be easily fabricated, installed, and maintained, making them a popular choice in tunnel construction projects.

Q:How do steel pipes perform in earthquake-prone regions?: Steel pipes perform well in earthquake-prone regions due to their inherent strength and flexibility. They can withstand the strong seismic forces, thanks to their high tensile strength and ductility. Steel pipes have the ability to absorb and dissipate energy during an earthquake, reducing the chances of structural failure. Additionally, their durability and resistance to corrosion make them suitable for long-term use in such regions.

Q:How are steel pipes protected against external impact or mechanical damage?: Steel pipes are typically protected against external impact or mechanical damage through the use of various methods such as applying protective coatings, installing corrosion-resistant materials, using concrete encasement, or utilizing protective shields or guards.

Q:How are steel pipes used in wastewater treatment?: The wastewater treatment process relies heavily on the use of steel pipes. These pipes are crucial for the transportation and distribution of wastewater from various sources to the treatment facilities. The decision to use steel pipes is primarily based on their durability, strength, and resistance to corrosion. Within wastewater treatment plants, steel pipes are commonly applied for multiple purposes. Firstly, they are utilized for the intake of raw wastewater. These pipes are typically designed with a large diameter to accommodate the high flow rate of incoming wastewater. Due to their ability to withstand the pressure and turbulence caused by the wastewater flow, steel pipes are an ideal choice for this task. Once inside the treatment facility, steel pipes are responsible for the transportation of the wastewater to different treatment processes. They serve as connectors between various units, such as screens, grit chambers, sedimentation tanks, and biological reactors. Steel pipes are preferred for these applications because they can handle the corrosive elements present in wastewater, including chemicals, acids, and gases. Moreover, their durability ensures a long-lasting service life, resulting in reduced maintenance and replacement costs. Steel pipes also play a significant role in the distribution of treated water during the wastewater treatment process. After the wastewater has undergone treatment, it goes through disinfection and other processes to eliminate harmful contaminants. The treated water is then distributed through steel pipes, allowing it to be reused for purposes such as irrigation, industrial processes, or discharged back into water bodies. Furthermore, steel pipes are employed in the construction of wastewater treatment infrastructure. They are used in the installation of underground sewer lines, pumping stations, and manholes. Steel pipes provide the necessary strength and stability to withstand external forces like the weight of the soil. To summarize, steel pipes are crucial components in the wastewater treatment process. They are responsible for the transportation and distribution of wastewater, connecting different treatment units, and distributing treated water. Their durability, resistance to corrosion, and ability to handle high-pressure flows make them an excellent choice for this demanding application.

Q:How do you prevent steel pipes from rusting?: To prevent steel pipes from rusting, a common method is to apply a protective coating such as paint or epoxy. Additionally, regularly inspecting and maintaining the pipes, promptly repairing any damage or corrosion, and ensuring proper drainage to prevent moisture buildup are essential preventive measures.

Q:How are steel pipes used in the manufacturing of conveyor systems?: Steel pipes are commonly used in the manufacturing of conveyor systems as they provide a strong and durable structure for transporting materials. These pipes are used to create the framework and support structure of the conveyor system, allowing for the smooth movement of goods from one place to another. Additionally, steel pipes can be welded together to create longer sections, making them ideal for constructing lengthy conveyor systems.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range