High quality Roller pipes from China

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

Outside diameter	1/2”-12”
Wall Thickness	1.0 -12mm SCH40,60,80, etc.
Tolerance	±5%
Material	Q195,Q215,Q235,Q345
Quality grade	First grade
Section Shape	Round
Surface Treatment	Hot rolled and ERW
Technique	Hot rolled
Ends	Threaded Ends, Grooved Ends
Length	Less than 12m
MOQ	10 Metric Ton or as your request if normal size
Deliver Time	Stock
Package	Nude pipe in bundle or as your request
Payment terms	T/T,L/C
Standard	GB/T3091-2008; BS1837-1985; ASTM A53/A53M-07; ASTM A513-07; ASTM A252; JIS G3444-06; JIS G3452-2010; EN10255; DIN2440
Main Usage Relevant Size	1. Water Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 60-273mm 2. Threaded/Screwed Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 21.3-165.1mm 3. Structural Steel Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 21.7-190.7mm 4. Scaffolding Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 48mm 5. Straight Seam Welded Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 48-273mm 6. Steel pipes with a longitudinal ERW Material: Q195/Q215/Q235/Q345B Outside Diameter: 21.3-273.1mm Standard: GB/T 3091-2008

Quality Guarantee

Certificate: ISO9001:2008 by international quality system.

Steel material and various physics and chemistry property service.

FAQ

1. How about the Delivery Time?

The goods will be produced since we getting your deposit by T/T or Your original L/C.

For normal size, some stocks in our factory now, we can supply once you need.

2. What kind of payment does your company support?

T/T, 100% L/C at sight, Cash, Western Union are all accepted.

3. What is the M.O.Q?

Min Order Quantity.

Generally speaking, the MOQ is 10 metric ton per size,

however, we can provide you samples for quality inspection.

4. Do you charge for the samples?

According to our company principle, we just charge for samples, you pay for the freight charge.

However, we will return the samples fees back to you during the next order.

5. How about your Feature and Advantage?

Firstly, we are a 11 years factory, our price is competitive and our quality is the NO.1.

Then we do some special service for export: Thread, Oil Coating, Groovy,

Standard Export Packing, Hydraulic Pressure, Automatic painting, stamping,

Steel material and various physics and chemistry property, zinc ingot element testing service. etc.

6. How to know the Quality Guarantee:

Visit Our factory is the best way to know each other more.

ISO9001:2008 by international quality system Certificate and The Third Inspection can prove our quality.

We will attach some relevant photos via email so show our factory, machine and products for you.

7. Can you tell me your main customers’ information?

That is our customers’ privacy, we should protect their information.

At the same time, please rest assured that your information is also safe here.

Q:How are steel pipes used in the shipbuilding industry?: Steel pipes are used in the shipbuilding industry for various purposes including the construction of the ship's hull, piping systems, and structural components. They are utilized for their strength, durability, and corrosion resistance, playing a crucial role in ensuring the structural integrity, fluid transportation, and overall safety of the ships.

Q:Are steel pipes suitable for underground sewage lines?: Yes, steel pipes are suitable for underground sewage lines. They are strong, durable, and resistant to corrosion, making them an excellent choice for sewage systems.

Q:What is the impact toughness of steel pipes?: The ability of steel pipes to withstand sudden or high-velocity impacts without fracturing or breaking is referred to as their impact toughness. This property measures the material's resistance to cracking when subjected to dynamic loading conditions. The impact toughness of steel pipes is highly significant as it determines their capacity to endure accidental impacts or external forces during transportation, installation, and operation. To evaluate the impact toughness of steel pipes, standardized tests such as the Charpy V-notch test or the Izod test are commonly utilized. These tests involve striking a notched sample of the steel pipe with a pendulum or a falling weight and measuring the amount of energy absorbed by the material until it fractures. The impact toughness is then calculated based on this energy absorption. A high impact toughness is desirable in steel pipes as it signifies a greater ability to absorb energy and resist fracture, making them more resilient to sudden impacts or loading conditions. This characteristic is particularly crucial in applications where steel pipes are exposed to high-stress environments, such as in oil and gas pipelines, automotive components, or structural applications. Several factors can influence the impact toughness of steel pipes, including their chemical composition, heat treatment, and microstructure. For instance, alloying elements like manganese, chromium, and nickel can enhance the impact toughness by promoting the formation of fine-grained microstructures and preventing crack propagation. Similarly, appropriate heat treatment processes like quenching and tempering can optimize the material's microstructure and mechanical properties, thereby improving its impact toughness. In conclusion, the impact toughness of steel pipes is a vital property that determines their ability to withstand sudden or high-velocity impacts. It is evaluated through standardized tests and can be influenced by factors such as chemical composition, heat treatment, and microstructure. A high impact toughness is desirable in steel pipes to ensure their structural integrity and resistance to fracture when subjected to dynamic loading conditions.

Q:Can steel pipes be used for underground compressed air pipelines?: Yes, steel pipes can be used for underground compressed air pipelines. Steel pipes are durable, corrosion-resistant, and have high strength, making them suitable for withstanding the pressure and environmental conditions of underground installations. Additionally, steel pipes can be easily welded and are readily available in various sizes, allowing for flexibility in designing the compressed air pipeline system.

Q:Are steel pipes suitable for underground gas distribution?: Yes, steel pipes are suitable for underground gas distribution. They have a high tensile strength, corrosion resistance, and can withstand extreme temperatures, making them an ideal choice for transporting natural gas underground. Additionally, steel pipes are durable and have a long lifespan, making them a reliable option for gas distribution systems.

Q:What are the different types of steel pipe connections?: There are several types of steel pipe connections, including threaded connections, welded connections, flanged connections, and grooved connections.

Q:Why can't stainless steel be put together with carbon steel tube?: 1, the potential difference is: potential "stainless steel tube" and the negative potential "carbon steel" coupled "stainless steel", "a cathode carbon steel tube" is anode potentials of the two difference the greater the galvanic corrosion is bigger.2. An electronic passage formed by wire connection or direct contact. The carbon in the carbon steel tube loses its electrons to the stainless steel tube and the surface is absorbed by the etchant.3. Electrolyte: the contact area of two metals is covered or submerged by electrolyte. The iron in the carbon tube loses electrons to form ions into the solution, and the electrons on the surface of the stainless steel tubes are taken away by the corrosive agents in the electrolyte (such as oxygen in the air). Electrolytes become ionic channels.

Q:25 of the steel pipe with 6 in charge of what is the difference?: 25 of the steel pipe with 6 in charge of the difference:25 of the steel pipe refers to the DN25 tube, the outer diameter of 25mm; 6, in charge of refers to DN20 steel pipe, the outer diameter is 20mm.

Q:How do you calculate the weight of a steel pipe?: In order to determine the weight of a steel pipe, one must possess knowledge of the pipe's dimensions, specifically the outer diameter (OD), wall thickness, and length. Initially, one must ascertain the cross-sectional area of the pipe. This can be accomplished by subtracting the inner diameter (ID) from the outer diameter (OD) and dividing the outcome by 2 to acquire the radius. Subsequently, the formula A = πr^2 can be employed to compute the area. Following this, it is necessary to multiply the cross-sectional area by the length of the pipe to obtain the volume. The formula for volume is V = A * L, where A denotes the cross-sectional area and L signifies the length. Lastly, to determine the weight of the steel pipe, one must multiply the volume by the density of steel. The density of steel generally falls around 7850 kilograms per cubic meter (kg/m^3) or 0.2836 pounds per cubic inch (lb/in^3). The formula for weight is W = V * ρ, where V represents the volume and ρ denotes the density of steel. It is crucial to note that if one is employing different units, a conversion is imperative to match the units of the density. For instance, if the length is in feet and the density is in pounds per cubic inch, the length must be converted to inches prior to conducting the calculations. Always remember to thoroughly verify your measurements and calculations to ensure precision.

Q:How does the price of steel pipes fluctuate?: The price of steel pipes fluctuates due to various factors, including changes in raw material costs, supply and demand dynamics, global economic conditions, and market competition. Fluctuations in the price of steel, which is a key component in pipe manufacturing, directly impact the cost of steel pipes. Additionally, shifts in demand for steel pipes in industries such as construction, oil and gas, and automotive can also influence their pricing. Market conditions, such as trade policies and geopolitical factors, can further contribute to price fluctuations. Therefore, the price of steel pipes is subject to constant change, driven by a combination of these factors.

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