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:Who knows what is the difference between double submerged arc welded pipe and longitudinal submerged arc welding?
- The straight seam welding is relative to the spiral welding and the T-shaped welding, and so on.
- Q:How do you calculate the stress in a steel pipe?
- To calculate the stress in a steel pipe, you need to consider the material properties of the steel and the external forces acting on the pipe. The stress in a pipe is typically calculated using the formula: Stress = Force / Area First, you need to determine the force acting on the pipe. This could be due to external loads such as pressure, weight, or mechanical forces. You can calculate the force by multiplying the pressure or weight by the surface area on which it acts. For example, if the pipe is subjected to an internal pressure, you can calculate the force using the formula: Force = Pressure x Area Next, you need to determine the cross-sectional area of the pipe. The cross-sectional area of a circular pipe can be calculated using the formula: Area = π x (Diameter / 2)^2 Once you have determined the force and the area, you can calculate the stress by dividing the force by the area. This will give you the stress value in units such as pounds per square inch (psi) or newtons per square meter (Pa). It is important to note that the stress calculation assumes that the pipe is in a state of equilibrium and that the material properties of the steel are known. The material properties, such as yield strength and ultimate tensile strength, are used to ensure that the stress calculated does not exceed the maximum capacity of the steel.
- Q:What is the purpose of steel pipes?
- The purpose of steel pipes is to efficiently transport fluids, gases, and solids from one location to another, providing a durable and reliable means of conveying materials in various industries such as construction, oil and gas, plumbing, and infrastructure.
- Q:How are steel pipes classified based on their thickness?
- Steel pipes are classified based on their thickness into three categories: standard, extra strong, and double extra strong.
- Q:What is the process of spiral steel tube production?
- 1. open panel inspection: after the steel plate is opened, the product line is entered, and the ultrasonic examination of the whole plate is carried out first.2., flat milling: through the anvil machine to make the original coiled steel flat, and then through the milling machine on the edge of the steel plate two sides milling, so as to achieve the required plate width, plate edge parallelism and groove shape.
- Q:Are steel pipes suitable for use in chemical plants?
- Yes, steel pipes are generally suitable for use in chemical plants. They are known for their high strength, durability, and resistance to corrosion, making them well-suited for transporting various chemicals and fluids. Additionally, steel pipes can withstand high temperatures and pressures, making them a reliable choice for the demanding conditions often found in chemical plants.
- Q:How are steel pipes used in water treatment plants?
- Steel pipes are commonly used in water treatment plants to transport and distribute water throughout the facility. They are used for various purposes such as conveying raw water from the source to the treatment plant, transporting treated water to storage tanks or distribution points, and carrying chemicals or additives used in the treatment process. Steel pipes are preferred due to their durability, strength, and resistance to corrosion, ensuring the safe and efficient flow of water within the plant.
- Q:How are steel pipes used in offshore drilling platforms?
- Steel pipes are used in offshore drilling platforms for various purposes such as transporting drilling fluids, casing and cementing operations, as well as providing support and stability to the platform structure. These pipes are crucial in facilitating the extraction of oil and gas from beneath the seabed by enabling the safe and efficient transfer of fluids and materials during drilling operations.
- Q:Can steel pipes be used for flagpoles?
- Yes, steel pipes can be used for flagpoles.
- Q:How are steel pipes protected against galvanic corrosion?
- Steel pipes are protected against galvanic corrosion through the use of sacrificial anodes, coatings, or the application of electrical currents. These methods create a barrier or redirect the corrosion process, preventing the steel pipes from deteriorating due to galvanic reactions.
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
OKorder Financial Service
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