Welded Black Carbon Square Tubes Pre-galvanized/ Galvanized ASTM A500 10*10-400*400 Structure Pipe
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
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1. Specification of Hollow Section-Square Tubes
1) Application: Widely used in building, machine, chemical equipment, automobile industrial, container, and also applied to agriculture and mine machine.
2)Standard：ASTM A500, GB6728
3)Steel grade: ASTM A500: A, B, C; GB6728：Q195，Q215，Q235，Q345
4)Delivery Time: 7-20 Days after receving prepayment or L/C
2. Size of Hollow Section-Square Tubes
|
SIZE(mm) |
THICKNESS(mm) |
|
10×10 |
0.6-1.0 |
|
12×12 |
0.6-1.0 |
|
16×16 |
0.6-1.2 |
|
19×19 |
0.6-1.5 |
|
20×20 |
1.6-1.5 |
|
25×25 |
1.0-2.75 |
|
30×30 |
1.0-2.75 |
|
32×32 |
1.0-3.0 |
|
38×38 |
1.0-3.0 |
|
40×40 |
1.0-3.5 |
|
50×50 |
1.0-5.0 |
|
60×60 |
1.0-6.0 |
|
63.5×63.5 |
1.0-6.0 |
|
70×70 |
1.5-6.0 |
|
75×75 |
1.5-6.0 |
|
80×80 |
2.0-6.0 |
|
90×90 |
2.0-6.0 |
|
100×100 |
2.3-6.0 |
|
120×120 |
4.0-6.0 |
|
125×125 |
4.0-6.0 |
|
150×150 |
4.0-8.0 |
|
200×200 |
6.0-12 |
|
250×250 |
6.0-12 |
|
300×300 |
6.0-12 |
|
400×400 |
6.0-12 |
*Remark: Besides below sizes, we also can arrange production based on requirement of customer's requirement
3. Packing&Delivery
Packing Details: Big OD: in bulk; Small OD: packed by steel pipe;Plastic bags 4 or According to customer's requirement
Delivery Time: 20-30 days upon receving prepayment or L/C
4. Data Sheet
ASTM A 500
|
Chemical Requirement | |||||
|
Composition % | |||||
|
Grade A |
Grade B | ||||
|
Element |
Heat analysis |
Product analysis |
Heat analysis |
Product analysis | |
|
Carbon max |
0.26 |
0.3 |
0.22 |
0.26 | |
|
Manganese max |
… |
… |
1.4 |
1.45 | |
|
Phosphorus, max |
0.035 |
0.045 |
0.03 |
0.04 | |
|
Sulfur max |
0.035 |
0.045 |
0.02 |
0.03 | |
|
Copper, when copper steel is specified, min |
0.20 |
0.18 |
0.2 |
0.18 | |
|
Where an ellipsis (...)appears in this table, there is no requirement | |||||
|
For each reduction of 0.01 percentage point below the specified maximum for carton, and increase of 0.06 percentage point above the specified maximum for manganese is permitted, up to a maximum of 1.50% by heat analysis and 1.6% by product analysis | |||||
|
Tensile Requirement | ||
|
|
Grade A |
Grade B |
|
Tensile strength, min, psi (Mpa) |
48000 (400) |
70000 (483) |
|
Yield strength, min, psi (Mpa) |
36000 (250) |
50000 (345) |
|
Elongation in 2 in. (50.8mm), min, % |
23 |
23 |
5. Products Showroom
- Q:What is the weight and strength of steel pipes?
- Steel pipes can vary in weight and strength depending on their dimensions and the specific grade of steel used. The weight of steel pipes is typically measured in pounds per foot or kilograms per meter. The strength of steel pipes is commonly measured in terms of its yield strength and ultimate tensile strength. The weight of steel pipes can range from a few pounds per foot for smaller sizes to several hundred pounds per foot for larger diameters and thicker walls. The weight is influenced by factors such as the pipe's outer diameter, wall thickness, and length. For example, a 1-inch diameter steel pipe with a wall thickness of 0.125 inches may weigh around 0.67 pounds per foot, while a 12-inch diameter steel pipe with a wall thickness of 0.5 inches can weigh around 142 pounds per foot. The strength of steel pipes is determined by the grade of steel used, which can vary depending on the application and specific requirements. Common grades of steel used for pipes include ASTM A53 for general-purpose applications, ASTM A106 for high-temperature service, and API 5L for oil and gas transportation. These grades have different yield strengths and ultimate tensile strengths. Yield strength refers to the amount of stress a steel pipe can withstand before it begins to deform plastically. It is usually measured in pounds per square inch (psi) or megapascals (MPa). For example, ASTM A53 Grade B steel pipe has a minimum yield strength of 35,000 psi (240 MPa), while API 5L Grade X65 steel pipe has a minimum yield strength of 65,000 psi (448 MPa). Ultimate tensile strength, on the other hand, is the maximum stress a steel pipe can withstand before it fractures. It is also measured in psi or MPa. For instance, ASTM A106 Grade B steel pipe has an ultimate tensile strength of 60,000 psi (415 MPa), whereas API 5L Grade X65 steel pipe has an ultimate tensile strength of 77,000 psi (531 MPa). In summary, the weight and strength of steel pipes can vary depending on their dimensions and the grade of steel used. The weight is influenced by factors such as the pipe's diameter, wall thickness, and length, while the strength is determined by the steel's yield strength and ultimate tensile strength.
- Q:Can steel pipes be used for brewery installations?
- Indeed, brewery installations can utilize steel pipes. Within breweries, steel pipes are frequently employed for a multitude of purposes, including fluid transfer, equipment interconnection, and plumbing system establishment. Steel pipes boast exceptional durability, strength, and resistance to corrosion, rendering them apt for handling the challenging conditions and high-pressure environments typically encountered in brewery installations. Moreover, the ability to weld steel pipes together enables seamless connections, guaranteeing a dependable and leakage-free operation. Nevertheless, it remains crucial to ensure that the steel pipes employed in brewery installations comply with the requisite standards and regulations, thereby safeguarding the safety and quality of the beer production process.
- Q:How are steel pipes used in HVAC systems?
- Steel pipes are used in HVAC systems for various purposes such as transporting hot or cold water, steam, or refrigerant throughout the system. They are commonly used for supply and return lines, as well as for connecting various HVAC components like chillers, boilers, air handlers, and heat exchangers. Steel pipes are preferred in HVAC systems due to their durability, strength, and resistance to corrosion and high pressure.
- Q:What is the difference between steel pipes and concrete pipes?
- Steel pipes and concrete pipes differ in terms of their material composition and physical characteristics. Steel pipes are made from steel alloys, which make them strong, durable, and resistant to corrosion. They have high tensile strength, allowing them to withstand high-pressure applications. Steel pipes are commonly used in industries such as oil and gas, plumbing, and construction. On the other hand, concrete pipes are made from a mixture of cement, aggregates, and water. They are known for their exceptional compressive strength and durability. Concrete pipes are commonly used in sewage systems, drainage systems, and culverts. In terms of installation, steel pipes are lightweight and easy to handle, making them more convenient to transport and install. Concrete pipes, on the other hand, are heavier and require specialized equipment for installation. Additionally, steel pipes have a smooth internal surface, which allows for efficient flow of fluids or gases. Concrete pipes, however, have a rougher internal surface, which may cause more friction and result in reduced flow rates. Overall, the choice between steel pipes and concrete pipes depends on the specific requirements of the project, including factors such as application, budget, and durability needs.
- Q:Can steel pipes be used for marine applications?
- Yes, steel pipes can be used for marine applications.
- Q:Can steel pipes be used for wastewater disposal?
- Indeed, wastewater disposal can be accomplished using steel pipes. Owing to their robustness, strength, and corrosion resistance, steel pipes find widespread application in wastewater systems. They are capable of withstanding the substantial pressure and flow rates commonly encountered in wastewater scenarios, efficiently conveying it to treatment plants or other disposal sites. Moreover, steel pipes can be enhanced with coatings or linings that offer additional safeguard against corrosion or chemical reactions with the wastewater, further enhancing their durability and efficacy in wastewater disposal.
- Q:What are the different coatings applied to steel pipes?
- There are various coatings that can be applied to steel pipes to enhance their durability and protect them from corrosion. Some common coatings include fusion-bonded epoxy (FBE), which provides excellent corrosion resistance, and polyethylene (PE), which offers high impact strength. Other coatings include polyurethane (PU) and coal tar enamel, which provide additional protection against abrasion and chemical corrosion. Additionally, zinc coatings such as hot-dip galvanizing are used to prevent rust and extend the lifespan of steel pipes.
- Q:What are the common welding techniques used for steel pipes?
- The common welding techniques used for steel pipes include shielded metal arc welding (SMAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW).
- Q:How do steel pipes withstand pressure?
- Steel pipes are able to withstand pressure due to their high strength and durability. The material properties of steel, including its tensile strength and resistance to deformation, allow it to withstand the internal forces caused by pressure without experiencing significant distortion or failure. Additionally, the seamless construction of steel pipes ensures that there are no weak points or joints that could compromise their ability to withstand pressure.
- Q:Can steel pipes be used for underground gas pipelines?
- Yes, steel pipes can be used for underground gas pipelines. Steel pipes are often the preferred choice for underground gas pipelines due to their strength, durability, and resistance to corrosion. They can effectively handle the high pressure and extreme temperature variations associated with transporting gas underground.
The company has successively passed ISO9000 quality system, the American Petroleum Institute API, and also earned the environment healthy license, national special equipment manufacturing license.
1. Manufacturer Overview |
|
|---|---|
| Location | Hebei, China |
| Year Established | 1988 |
| Annual Output Value | Above One Hundred Million RMB |
| Main Markets | Main land; Southeast Asia; Middle East; Africa |
| Company Certifications | ISO 9002:2010；API 5L |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 30%-50% |
| No.of Employees in Trade Department | 201-500 People |
| Language Spoken: | English; Chinese |
| b)Factory Information | |
| Factory Size: | 50,000 square meters |
| No. of Production Lines | Above 15 |
| Contract Manufacturing | Meicai Metal Trading Co.Ltd |
| Product Price Range | Average |
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Welded Black Carbon Square Tubes Pre-galvanized/ Galvanized ASTM A500 10*10-400*400 Structure Pipe
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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