SPIRAL WELDED STEEL PIPE 24'' 26'' 28'' 30'' 32''CARBON

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t

Supply Capability:: 3000 m.t/month

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Packaging & Delivery

Packaging Detail:	standard export packing or as customer's requirement
Delivery Detail:	within 10 - 30 days

Specifications

Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm

Spiral Welded Steel Pipes and Tubes

Product Description:

1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100

2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672

3.Wall thickness: 3.0mm-30mm

4.Outer diameter: φ168mm-3020mm

5,Length: 5m-12m or as your requirement

6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002

7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc

Q195-q345 Material Steel Pipe's Materials

Elements Material	Chemical Compsition%					Mechanical Property
	C%	Mn%	S%	P%	Si%	Yield Point (Mpa)	Tensile Strength(Mpa)	Elongation (%)
Q195	0.06-0.12	0.25-0.50	<0.050< span="">	<0.045< span="">	<0.030< span="">	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.05< span="">	<0.045< span="">	<0.030< span="">	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045< span="">	<0.045< span="">	<0.030< span="">	>235	375-500	24-26
Q345	<0.20< span="">	1.0-1.6	<0.040< span="">	<0.040< span="">	<0.55< span="">	>345	470-630	21-22

Packaging & Delivery

Packaging Detail:	Normal exporting packing,in container or bulk vessel or as per clients' request
Delivery Detail:	2 months after confimed contract

Specifications

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe
Grade: X42, X46, X50, X52, X60, B, C
OD: 1.5"-28"
WT: SCH10-SCH160
Brand:TPCO

Large Diameter API 5L X70 PSL2 LSAW Steel Pipe

Specifications:

u Standard: API 5L

u Grade: B, C, X42, X46, X50, X52, X56, X60, X65, X70, X80

u OD: 1.5"-28"

u WT: SCH10-SCH160

u Length: 5-12m

u Ends Finish: plain end, bevel end, grooved end

u Surface Treatment: bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating

u Technique: hot rolled or cold drawn

u Application: api 5l steel pipe for conveying oil, water, gas

u Invoicing: based on theoretical weight or actual weight

u Payment Terms: L/C at sight, T/T or Western Union

u Trade Terms: FOB, CFR, CIF

u Certification: ABS manufacturing assessment, ABS design assessment, API 5CT, API 5L, DNV manufacturer certificate, ISO9001 quality management system certificate, ISO14001 environment management system certificate, GB/T28001 occupational health and safety management system certificate, A1 class manufacturing license of special equipment certificate, CCS, GL, LR, SGS, TüV, PDE

Q:How are steel pipes used in the manufacturing of wastewater treatment systems?: Steel pipes are commonly used in the manufacturing of wastewater treatment systems due to their durability, strength, and resistance to corrosion. They are used for various purposes such as transporting wastewater from one unit to another, constructing storage tanks and pipelines, and supporting the infrastructure of the treatment plants. Steel pipes are able to withstand the harsh conditions of wastewater environments, ensuring long-lasting and reliable performance of the treatment systems.

Q:Can steel pipes be used for underground drainage?: Yes, steel pipes can be used for underground drainage. Steel pipes are commonly used for drainage systems due to their durability, strength, and resistance to corrosion. They are able to withstand heavy loads and can be installed in various soil conditions. However, it is important to ensure proper coating and maintenance to prevent rusting and deterioration over time.

Q:How are steel pipes used in the telecommunications network infrastructure?: Steel pipes have a wide range of applications within the telecommunications network infrastructure. Underground cable conduits are one of the main uses of steel pipes in this industry. These conduits are responsible for safeguarding telecommunications cables from various external factors, including moisture, rodents, and physical damage. By providing exceptional strength and durability, steel pipes ensure the long-term protection of these cables. Furthermore, steel pipes are indispensable in the construction of telecom towers and antenna masts. These structures must possess robustness and resilience to withstand adverse weather conditions. Steel pipes offer the necessary strength, stability, and durability required for telecom towers to support antennas and other equipment. Additionally, their ease of assembly enables efficient deployment and maintenance of the network infrastructure. Additionally, steel pipes are crucial in the installation of fiber optic cables. Fiber optic cables transmit data at high speeds through the use of light signals. To ensure optimal performance, it is imperative to protect these cables from any external interference. Steel pipes serve as conduits for fiber optic cables, effectively shielding them from electromagnetic interference and other potential disruptions. To summarize, steel pipes play a vital role in the telecommunications network infrastructure. They are utilized for the installation of underground cable conduits, construction of telecom towers, and protection of fiber optic cables. The strength, durability, and versatility of steel pipes make them an ideal choice for guaranteeing the reliability and functionality of telecommunications systems.

Q:What is the cost of steel pipes?: The cost of steel pipes can vary depending on factors such as the size, grade, and quantity needed, as well as market conditions and supplier. It is recommended to contact suppliers or check online platforms to get specific pricing information.

Q:How are steel pipes protected against corrosion in marine environments?: Steel pipes are protected against corrosion in marine environments through various methods, including the use of protective coatings, cathodic protection systems, and selecting corrosion-resistant materials.

Q:How are steel pipes protected against external damage?: Steel pipes are protected against external damage through various methods such as coatings, wraps, and cathodic protection. These protective measures help prevent corrosion, abrasion, and other forms of external damage, ensuring the durability and longevity of the pipes.

Q:Can steel pipes be used for conveying food and beverages?: Steel pipes can be used for conveying food and beverages, but certain precautions need to be taken to ensure their safety and suitability for this purpose. Firstly, it is important to choose food-grade stainless steel pipes that are specifically designed for handling food and beverage products. These pipes are made from high-quality stainless steel that is resistant to corrosion and does not leach harmful substances into the food or beverage. Secondly, the pipes should be properly cleaned and sanitized before and after each use to maintain hygiene standards. Regular cleaning and maintenance will prevent the accumulation of bacteria or contaminants that could potentially contaminate the food or beverage being transported. Additionally, it is crucial to consider the compatibility of the food or beverage with the steel pipes. Certain acidic or corrosive substances may react with the steel, causing contamination or compromising the integrity of the pipes. In such cases, alternative materials like food-grade plastic or rubber may be more suitable. Overall, steel pipes can be used for conveying food and beverages, but it is essential to ensure the use of food-grade stainless steel pipes, proper cleaning and sanitization, and compatibility with the specific food or beverage being transported. Following these guidelines will help maintain the safety and quality of the food or beverage during transportation.

Q:What are the different factors affecting the flow rate of steel pipes?: There are several factors that can affect the flow rate of steel pipes, including the diameter and length of the pipe, the viscosity and temperature of the fluid being transported, the pressure difference across the pipe, and any obstructions or irregularities in the pipe's interior surface. Additionally, the type of fluid being transported and its flow characteristics, such as laminar or turbulent flow, can also impact the flow rate of steel pipes.

Q:How are steel pipes protected against galvanic corrosion?: Steel pipes are protected against galvanic corrosion through various methods including the application of protective coatings such as zinc or epoxy, cathodic protection systems, and the use of corrosion inhibitors.

Q:How do you prevent steel pipes from freezing?: To prevent steel pipes from freezing, there are several measures you can take: 1. Insulate the pipes: Use foam insulation sleeves or wrap the pipes with insulation tape. This will help maintain the temperature of the pipes and prevent them from freezing. 2. Seal any gaps or cracks: Inspect the area around the pipes and seal any gaps or cracks with caulk or expanding foam. This will prevent cold air from entering and freezing the pipes. 3. Install heat cables: Heat cables can be wrapped around the steel pipes to provide a steady source of heat. These cables can be controlled by a thermostat, ensuring that the pipes stay above freezing temperature. 4. Keep the temperature above freezing: In areas where extreme cold weather is common, it is advisable to keep the indoor temperature above freezing, even if the property is vacant. This will help maintain a suitable temperature for the pipes and prevent freezing. 5. Open cabinets and faucets: In particularly cold weather, open cabinet doors in kitchens and bathrooms to allow warm air to circulate around the pipes. Additionally, allowing faucets to drip slightly can also prevent freezing by keeping water flowing. 6. Drain the pipes: If you are leaving your property unoccupied during freezing weather, it is recommended to drain the pipes completely. This can be done by shutting off the main water supply and opening all faucets until no water remains. This minimizes the risk of freezing and potential damage. Remember, prevention is crucial in protecting steel pipes from freezing. By implementing these measures, you can significantly reduce the risk of frozen pipes and potential costly repairs.

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