Seamless steel tubes for ships

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

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

Line Pipe

Seamless Carbon Steel Tubes

Hot-rolled seamless steel tubes for hydraulic pillar service

API 5L Seamless line Pipe J55

Seamless Steel Alloy Pipe with Factory Price

Hot API 5L Carbon Steel Tube 4'' SCH40 from cnbm

Standard Steel Pipe ASTM Seamless A192-02 Standard Steel Pipe ASTM

America Standard A53 100g Hot Dipped or Pre-galvanized Pipe

Standards：
Standard for malerials and wielding from Chinese classifying society Chinese clasifying society(CCS)
Standard of DNV Det Norske Veritas(DNV)
Standard of Lloyd’S Register of UK(LR)　Lloyd’S Register of UK(LR)Standard of Germanischer Lloyd Germanischer Lloyd(GL)
Standard of American Bureau of Shipping(ABS)American Bureau of Shipping(ABS)
Standard of BUREAU VERITAS(BV)BUREAU VERITAS(BV)
Standard of RINA Italian classification society(RINA)
Standard of NIPPON KAIJI KYOKAI(NK)NIPPON KAIJI KYOKAI(NK)
GB／T5312 Chinese national standard
Appication：
Seamless steel tubes for manufacturing marine boilers and ovemeaters as we as pressure pipes opf grade I and Ⅱ．
Model N0．of major steel tubes
320，360，410，460，490，etc．

Types of steel tubes	Outer diameters		wall thickness
Cold-rolled tubes	Rube size(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％

Mechanocal properties：

Standard code	Models of steel tubes	Tensile strength（MPa）	Yield strength（MPa）	Elongation（％）
GB/T5312	320	320～410	≥195	≥25
	360	360～480	≥215	≥24
	410	410～530	≥235	≥22
	460	460～580	≥265	≥21
	490	490～610	≥285	≥21

Chemical compisition:

Standard code	Models of steel tubes	Chemical compisition（％）
Standard code	Models of steel tubes	C	Si	Mn	P	S
GB/T5312	320	≤0.16	≤0.35	0.40～0.70	≤0.035	≤0.035
	360	≤0.17	≤0.35	0.40～0.80	≤0.035	≤0.035
	410	≤0.21	≤0.35	0.40～1.20	≤0.035	≤0.035
	460	≤0.22	≤0.35	0.80～1.40	≤0.035	≤0.030
	490	≤0.23	≤0.35	0.80～1.50	≤0.035	≤0.030

Note：residual elements:Cr≤0.25％，Mo≤0.10％，Ni≤0.30％，Cu≤0.30％aggregate≤0.70％

Q: How are steel pipes used in the construction of industrial facilities?: Steel pipes are commonly used in the construction of industrial facilities for various purposes such as transporting fluids, gases, and steam, as well as providing structural support and carrying electrical wiring. They are durable, resistant to corrosion, and can withstand high pressure and temperature, making them ideal for industrial settings.

Q: What does "SC50" steel pipe mean in civil engineering?: In the production of T-shape welded steel pipe, the wrong edges happen frequently, and the influence factors are many. In production practice, steel pipe degradation is often caused by dry, wrong and side errors. Therefore, it is necessary to analyze the causes and preventive measures of spiral steel tubes.

Q: What are the different types of gaskets used with steel pipes?: There are several types of gaskets commonly used with steel pipes, including ring type joint (RTJ) gaskets, spiral wound gaskets, and flat gaskets. RTJ gaskets are designed to create a tight seal by compressing between two flanges, while spiral wound gaskets consist of a metal winding and filler material for enhanced sealing properties. Flat gaskets are typically made from rubber or non-metallic materials and are used for lower pressure applications.

Q: How are steel pipes transported?: Steel pipes are typically transported using various methods, including trucks, trains, and ships. They are often loaded onto flatbed trucks or railcars for land transportation, while larger quantities are transported by bulk carriers or container ships for overseas shipping. The pipes are secured with straps or chains to ensure safe and stable transport, and they may also be packed in bundles or placed in specially designed containers to protect them from damage during transit.

Q: Are steel pipes suitable for underground sewage systems?: Yes, steel pipes are suitable for underground sewage systems. They are durable, strong, and resistant to corrosion, making them a reliable choice for carrying sewage underground. Additionally, steel pipes have a long lifespan and can withstand the pressure and weight of the surrounding soil, making them a suitable option for underground sewage systems.

Q: Are steel pipes suitable for oil and petroleum applications?: Yes, steel pipes are highly suitable for oil and petroleum applications. They possess excellent strength, durability, and resistance to corrosion, making them ideal for transporting and storing oil and petroleum products. Steel pipes can withstand high pressure and extreme temperatures, ensuring the safety and efficiency of oil and petroleum operations.

Q: How do you measure the thickness of steel pipes?: To measure the thickness of steel pipes, you can use various methods depending on the level of accuracy required. One commonly used method is the ultrasonic measurement technique. Ultrasonic measurement involves using an ultrasonic thickness gauge, which emits high-frequency sound waves that travel through the pipe walls and bounce back to the gauge. The time it takes for the sound waves to travel through the pipe and return provides an accurate measurement of the thickness. This method is non-destructive and can be used on both ferrous and non-ferrous materials. Another method is the use of calipers or micrometers. This involves manually measuring the outside diameter (OD) and inside diameter (ID) of the pipe and then subtracting the ID from the OD to obtain the thickness. However, this method is less accurate compared to ultrasonic measurement. In some cases, where precision is not critical, a simple tape measure or ruler can be used to measure the outside diameter of the pipe. The thickness can then be estimated by referring to standard pipe thickness charts or tables. It is important to note that measuring the thickness of steel pipes accurately is crucial for various applications such as construction, manufacturing, and engineering. Therefore, it is recommended to use appropriate measuring tools and techniques to ensure accurate results.

Q: DN150 welded steel tubes one meter multiple: DN150 welded steel pipe according to the thickness of two specifications: outer diameter 165mm, wall thickness 4.5mm, 17.81Kg per meter weight, wall thickness of 5.5mm, 21.63Kg. per meter weight

Q: Is it good to buy a simple wardrobe or a steel pipe?: Natural nobility, if the quality and the degree of firmness, is the simple steel cloth cabinet is the best. However, because the texture of wood wardrobe, solid wood wood may be used after deformation.

Q: How are steel pipes used in automotive manufacturing?: Steel pipes are widely used in automotive manufacturing for various purposes. One of the primary applications of steel pipes in this industry is for the exhaust system. The exhaust system in vehicles is responsible for the safe removal of harmful gases produced during the combustion process. Steel pipes are used to create the exhaust manifold, which collects the exhaust gases from the engine cylinders and directs them towards the exhaust pipe. Furthermore, steel pipes are also used in the manufacturing of the chassis and frame of vehicles. The chassis provides structural support and helps maintain the overall strength and stability of the vehicle. Steel pipes, due to their high strength and durability, are ideal for creating the chassis and frame. These pipes are often welded together to form a rigid and robust structure that can withstand various forces and impacts. Additionally, steel pipes find applications in the suspension system of automobiles. The suspension system is responsible for providing a comfortable and smooth ride by absorbing shocks and vibrations. Steel pipes are used in the manufacturing of suspension components such as control arms, tie rods, and sway bars. These components help maintain the stability, handling, and overall performance of the vehicle. Moreover, steel pipes are utilized in the fuel system of automobiles. They are used to transport fuel from the fuel tank to the engine. These pipes need to be resistant to corrosion and have high tensile strength to ensure the safe and efficient delivery of fuel. In conclusion, steel pipes play a crucial role in automotive manufacturing. They are used in various applications such as the exhaust system, chassis and frame construction, suspension system, and fuel system. The use of steel pipes in these areas ensures the durability, strength, and performance of vehicles while maintaining safety and efficiency.

Send your message to us

*Email

*TEL

*Quantity

*Unit