ERW Welded Pipes
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 50000Ton Per Month m.t./month
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Specifications of ERW Welded Pipes,
Application of ERW Welded Pipes:
It is widely applied to line pipe and casing and tubing in oil transportation and casing field, and it is used in Low,high pressure liquid and gassy transportation and it is also good Structure pipe (for furniture, window, door, building , bridge, mechanical etc).
Standard of ERW Welded Pipes: API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1
Steel Grade of ERW Welded Pipes:API SPEC 5L: B, X42, X46, X52, X56, X60, X65
API SPEC 5CT: J55, K55, N80, L80-1
ASTM A53: A, B, C
GB/T9711.1:L242、L290、L320、L360、L390、L415、L450
Sizes of ERW Welded Pipes:
Standard: GB/9711.1
Mechanical Properties
Remark: Besides below sizes, we also can arrange production based on requirement of customers
|
OD |
WT |
WEIGHT | ||||
|
INCH |
MM |
SCH |
MM |
INCH |
KG/M |
LB/INCH |
|
1 1/2” |
48.3 |
STD-40 |
3.68 |
0.145 |
4.09 |
2.75 |
|
1 1/2” |
48.3 |
XS-80 |
5.08 |
0.2 |
5.47 |
3.68 |
|
2” |
60.3 |
STD-40 |
3.91 |
0.154 |
5.49 |
3.69 |
|
2” |
60.3 |
XS-80 |
5.54 |
0.218 |
7.56 |
5.08 |
|
2 1/2” |
73 |
STD-40 |
5.16 |
0.203 |
8.72 |
5.86 |
|
2 1/2” |
73 |
XS-80 |
7.01 |
0.276 |
11.52 |
7.74 |
|
3” |
88.9 |
STD-40 |
5.49 |
0.216 |
11.41 |
7.67 |
|
3” |
88.9 |
XS-80 |
7.62 |
0.3 |
15.43 |
10.37 |
|
3 1/2” |
101.6 |
STD-40 |
5.74 |
0.226 |
13.71 |
9.21 |
|
3 1/2” |
101.6 |
XS-80 |
8.08 |
0.318 |
18.83 |
12.65 |
|
4” |
114.3 |
STD-40 |
6.02 |
0.237 |
16.24 |
10.91 |
|
4” |
114.3 |
XS-80 |
8.56 |
0.337 |
22.55 |
15.15 |
|
5” |
141.3 |
STD-40 |
6.55 |
0.258 |
21.99 |
14.78 |
|
5” |
141.3 |
XS-80 |
9.53 |
0.375 |
31.28 |
21.02 |
|
6” |
168.3 |
STD-40 |
7.11 |
0.28 |
28.55 |
19.19 |
|
6” |
168.3 |
XS-80 |
10.97 |
0.432 |
42.99 |
28.89 |
|
8” |
219.1 |
STD-40 |
8.18 |
0.322 |
42.98 |
28.88 |
|
8” |
219.1 |
XS-80 |
12.7 |
0.5 |
65.3 |
43.88 |
|
10” |
273 |
STD-40 |
9.27 |
0.365 |
60.9 |
40.92 |
|
10” |
273 |
80 |
15.09 |
0.594 |
96.95 |
65.15 |
|
12” |
323.8 |
STD |
9.53 |
0.375 |
74.61 |
50.13 |
|
12” |
323.8 |
40 |
10.31 |
0.406 |
80.51 |
54.1 |
|
12” |
323.8 |
XS |
12.7 |
0.5 |
98.42 |
66.14 |
|
12” |
323.8 |
80 |
17.48 |
0.688 |
133.38 |
89.63 |
|
14” |
355.6 |
40 |
11.13 |
0.438 |
95.51 |
64.18 |
|
14” |
355.6 |
XS |
12.7 |
0.5 |
108.48 |
72.9 |
|
14” |
355.6 |
80 |
19.05 |
0.75 |
159.71 |
107.32 |
|
16” |
406.4 |
XS-40 |
12.7 |
0.5 |
124.55 |
83.69 |
|
18” |
457 |
STD |
9.53 |
0.375 |
106.23 |
71.38 |
|
18” |
457 |
40 |
14.27 |
0.562 |
157.38 |
105.75 |
|
18” |
457 |
80 |
23.83 |
0.938 |
257.13 |
172.78 |
|
20” |
508 |
40 |
15.09 |
0.594 |
185.28 |
124.5 |
|
20” |
508 |
80 |
26.19 |
1.031 |
314.33 |
211.22 |
Picturers of of ERW Welded Pipes
Hi-tech for ERW production line.
Coils to product ERW.
Production line with professional and experienced teams.
Welcome to contact us for ERW Welded Pipes .
- Q:What steel pipes are buried for outdoor heating pipes? Seamless or welded tube? Are there any rules for specific countries? Can use the seamed tube?
- Screw on the line, mainly anti-corrosion and insulation, seamless pipe caliber restrictions, so the price is high, with the most affordable screw can meet the requirements, 377 and 273 of the spiral 3920 yuan / ton, straight seam is about 4350
- Q:How are steel pipes used in the manufacturing of chemical storage tanks?
- Steel pipes are commonly used in the manufacturing of chemical storage tanks as they provide structural support and serve as conduits for the transportation of chemicals. These pipes are typically used for connecting various components of the tank, such as the inlet and outlet valves, as well as for creating the internal plumbing system. The durability and corrosion resistance of steel make it an ideal material for ensuring the integrity and longevity of chemical storage tanks.
- Q:What are the different methods of joining steel pipes together?
- There are several methods of joining steel pipes together, each with its own advantages and disadvantages. 1. Welding: This is the most common and widely used method of joining steel pipes. It involves heating the ends of the pipes and applying pressure to fuse them together. Welding provides a strong and durable joint, but it requires skilled labor and specialized equipment. 2. Threaded connections: Steel pipes can also be joined by threading the ends and using threaded fittings to connect them. This method is relatively easy and quick, but it may not be as strong as welding and can be prone to leakage if not properly sealed. 3. Flanged connections: Flanges are used to connect pipes by bolting them together. This method allows for easy disassembly and reassembly, making it suitable for applications that require frequent maintenance or repair. Flanged connections are also highly resistant to leakage. 4. Compression fittings: Compression fittings are used to join steel pipes by compressing a ring or ferrule onto the pipe, creating a tight seal. This method is simple and does not require heat or welding, making it ideal for applications where heat or sparks are not permissible. 5. Grooved connections: Grooved connections involve cutting grooves into the pipe ends and using mechanical couplings to secure them together. This method is fast, reliable, and allows for easy assembly and disassembly. Grooved connections are commonly used in fire protection systems. 6. Brazing: Similar to welding, brazing involves heating the pipe ends and adding a filler material to join them together. This method is often used for smaller diameter pipes and provides a strong joint. However, it requires the use of a high-temperature torch and skilled labor. Each of these methods has its own advantages and is suitable for different applications. The choice of joining method depends on factors such as the required strength, ease of installation, maintenance requirements, and the type of pipe being used.
- Q:What are the different types of steel pipe joints?
- There are several different types of steel pipe joints, including threaded, welded, flanged, grooved, and compression joints.
- Q:What are the different methods of joining steel pipes without welding?
- There are multiple ways to connect steel pipes without welding. These include: 1. Mechanical Couplings: These couplings consist of two separate pieces that attach to the pipe ends and then tighten together. They provide a secure and leak-proof connection, eliminating the need for welding. 2. Threaded Connections: This method involves threading the ends of the steel pipes to create a male and female connection. The pipes are then screwed together using pipe threads, creating a strong and dependable joint. 3. Flanged Connections: Flanges are utilized to connect steel pipes by bolting them together. The flanges have a flat surface with holes that align with corresponding holes in the opposing flange. Bolts are inserted and tightened to establish a tight seal. 4. Grooved Connections: This technique involves grooving the pipe ends and using grooved couplings to join them. The couplings have teeth that interlock with the grooves, resulting in a secure and rigid connection. 5. Compression Fittings: Compression fittings are employed to connect steel pipes by compressing a metal or plastic ring onto the outer surface of the pipe. This creates a tight seal and a reliable connection without welding. 6. Adhesive Bonding: Special adhesives designed for bonding metals can be used to connect steel pipes. The adhesive is applied to the pipe surfaces, which are then pressed together and left to cure, forming a strong and durable bond. 7. Clamping: Clamps can be used to hold steel pipes together, creating a temporary connection. This method is commonly used for testing purposes or in situations where the pipes need to be easily dismantled. Each of these methods has its own benefits and limitations, and the choice depends on various factors such as the specific application, pipe material, and required joint strength.
- Q:What are the different types of steel pipe fittings for plumbing systems?
- Some common types of steel pipe fittings used in plumbing systems include elbows, tees, unions, couplings, reducers, and caps. Elbows are used to change the direction of the pipe, while tees allow for branching off into multiple directions. Unions are used to join two pipes together, couplings are used to connect two pipes of the same diameter, and reducers are used to connect pipes of different diameters. Caps are used to seal the end of a pipe.
- Q:How are steel pipes protected against electrolytic corrosion?
- Various methods can be employed to safeguard steel pipes against electrolytic corrosion. One commonly utilized approach involves the application of protective coatings on the pipe's surface. These coatings serve as a barrier, effectively preventing direct contact between the steel and the surrounding environment, which may contain moisture and other corrosive substances. Epoxy, polyethylene, and zinc are frequently employed coatings for this purpose. Another means of protection involves the utilization of sacrificial anodes. These anodes, typically fabricated from a metal that exhibits greater reactivity than steel, such as zinc or aluminum, are affixed to the steel pipes. Over time, as these anodes corrode, they willingly sacrifice themselves in order to shield the steel. This process, known as cathodic protection, is exceptionally successful in deterring electrolytic corrosion. Aside from coatings and sacrificial anodes, proper insulation and electrical isolation play a pivotal role in preventing electrolytic corrosion of steel pipes. Insulating materials, such as rubber or plastic sleeves, are employed to prevent direct contact between the pipes and other metals or electrolytes. Electrical isolation can be achieved through the use of dielectric unions or insulating flanges, which effectively obstruct the flow of electric current between different sections of the pipeline. Furthermore, regular maintenance and inspection are essential components of protecting steel pipes against electrolytic corrosion. Regular checks to assess coating integrity, anode condition, and potential electrical leakage are crucial in maintaining the ongoing efficacy of the corrosion protection system. In conclusion, a combination of protective coatings, sacrificial anodes, insulation, electrical isolation, and regular maintenance is indispensable in safeguarding steel pipes against electrolytic corrosion. By implementing these measures, the lifespan of steel pipes can be substantially prolonged, thereby ensuring the safety and reliability of various applications, including water distribution, oil and gas transportation, and structural support in buildings and infrastructure.
- Q:How are steel pipes protected during transportation and storage?
- Steel pipes are typically protected during transportation and storage through various measures. These include using protective coatings like oil or paint to prevent corrosion, using proper packaging materials such as plastic caps or wrapping, securing them with straps or bands to prevent movement and damage, and storing them in covered or enclosed areas to shield them from environmental elements like moisture, sunlight, or extreme temperatures.
- Q:Are steel pipes suitable for underground cable protection?
- Yes, steel pipes are suitable for underground cable protection. Steel pipes provide excellent mechanical strength and durability, protecting cables from external forces such as ground movement or accidental damage. They also offer resistance to corrosion, making them a reliable choice for long-term cable protection in underground installations.
- Q:Can steel pipes be used for both high-pressure and low-pressure systems?
- Yes, steel pipes can be used for both high-pressure and low-pressure systems. Steel is known for its durability, strength, and resistance to extreme conditions, making it suitable for various applications. Whether it is transporting liquids or gases in high-pressure systems or low-pressure systems, steel pipes can efficiently handle the demands of both.
All these steel pipes are suitable for the industries of oil, natural gas,ship building,chemical, environmental protection,boiler, water conservancy, electrical industry,steel structure, building and other related fields.Our company following the principle that ‘customer supemacy, business integrity’We will do our best to supply best products and service to our customers. We expect mutual benefit.
1. Manufacturer Overview |
|
|---|---|
| Location | Tianjin, China |
| Year Established | 2004 |
| Annual Output Value | 250,000Tons |
| Main Markets | Europe; South America; Americas;etc. |
| Company Certifications | API 5L；API 5CT；ISO 9001:2008 GB/T 19001-2008;ISO 9001:2008 |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 50% - 60% |
| No.of Employees in Trade Department | 1000-2000 People |
| Language Spoken: | English; Chinese; Spanish |
| b)Factory Information | |
| Factory Size: | Above 70,000 square meters |
| No. of Production Lines | Above 8 |
| Contract Manufacturing | OEM Service Offered; Design Service Offered |
| Product Price Range | Average |
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ERW Welded Pipes
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 50000Ton Per Month 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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