26'' CARBON STEEL LSAW WELDED PIPE API/ASTM/JIS/DIN

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t

Supply Capability:: 300 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

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 do you prevent steel pipes from rusting?: To prevent steel pipes from rusting, various measures can be taken. One effective method is to apply a protective coating on the surface of the pipes. This can be done using different types of coatings such as paint, epoxy, or zinc. These coatings act as a barrier between the steel and the corrosive environment, preventing moisture and oxygen from coming into direct contact with the metal and causing rust. Another approach is to use corrosion inhibitors. These substances are added to the water or fluid flowing through the pipes to create a protective film on the steel's surface. This film acts as a shield, inhibiting the corrosion process and preventing rust formation. Regular maintenance is crucial in preventing rust on steel pipes. This includes inspecting the pipes for any signs of damage or corrosion and promptly repairing or replacing any compromised areas. Additionally, keeping the pipes clean and dry by removing any accumulated dirt or moisture helps to prevent rust formation. In some cases, it may be beneficial to use stainless steel pipes instead of regular steel. Stainless steel contains chromium, which forms a passive oxide layer on the surface of the metal. This layer acts as a natural barrier against corrosion, making stainless steel pipes highly resistant to rust. Lastly, controlling the environment in which the pipes are installed can also help prevent rust. This can be achieved by maintaining proper ventilation, controlling humidity levels, and avoiding exposure to harsh chemicals or corrosive substances. By implementing these preventive measures, the lifespan and integrity of steel pipes can be significantly extended while minimizing the risk of rust formation.

Q: What is the difference between steel pipes and PVC-M pipes?: Steel pipes are made of a strong and durable metal, while PVC-M pipes are made of a thermoplastic material known as polyvinyl chloride modified. The main difference lies in their composition and characteristics. Steel pipes are typically heavier and more robust, offering greater strength and resistance to high pressure and temperature. On the other hand, PVC-M pipes are lightweight, flexible, and corrosion-resistant, making them ideal for applications where chemical resistance and ease of installation are crucial factors.

Q: What are the advantages of using steel pipes in construction projects?: Using steel pipes in construction projects offers numerous benefits. Firstly, the strength and durability of steel pipes are remarkable. With a high tensile strength, they can withstand heavy loads and pressures without any deformation or breakage. This makes them ideal for projects that require structural integrity, such as building construction, bridge building, and infrastructure development. Secondly, steel pipes exhibit exceptional resistance to corrosion. They are typically coated with protective layers, like galvanized zinc or epoxy, which prevent rusting and extend their lifespan. Consequently, steel pipes are suitable for both aboveground and underground applications, including water and sewage systems, oil and gas pipelines, and industrial processing plants. Furthermore, steel pipes offer great versatility in terms of shape and size. They can be manufactured in various diameters and thicknesses, allowing for customization to meet specific project requirements. This flexibility in design makes steel pipes suitable for a wide range of applications in construction, including plumbing, HVAC systems, and structural supports. Moreover, steel pipes are relatively easy to install and maintain. They can be welded, threaded, or bolted together, providing a secure and leak-proof connection. This ease of installation reduces construction time and labor costs. Additionally, steel pipes require minimal maintenance, as they are resistant to cracking, chipping, and warping. This makes them a cost-effective choice over the long term. Lastly, steel pipes are environmentally friendly. They are 100% recyclable, meaning they can be reused and repurposed without compromising their structural integrity. By recycling steel pipes, the demand for new raw materials is reduced, and waste generation is minimized. Therefore, steel pipes are a sustainable option for construction projects. In summary, the advantages of using steel pipes in construction projects encompass their strength, corrosion resistance, versatility, ease of installation and maintenance, and environmental sustainability. These attributes make steel pipes a reliable and cost-effective choice for a wide range of applications in the construction industry.

Q: What is the diameter of the steel tube DN20?: Usually the nominal diameter is nominal for cast iron pipe, steel pipe joints, concrete pipe pipe, seamless steel pipe does not use this notation (with diameter * wall thickness). With nominal diameter pipeline accessories, meaning with tube.

Q: Can steel pipes be used for water distribution networks?: Yes, steel pipes can be used for water distribution networks. Steel pipes are commonly used for water distribution due to their durability, strength, and resistance to corrosion. They can efficiently handle high water pressure and are suitable for both underground and above-ground installations. However, proper protective coatings are necessary to prevent rusting and maintain water quality.

Q: What are the quality control measures for steel pipe manufacturing?: Quality control measures for steel pipe manufacturing include various inspections and tests to ensure the pipes meet the required standards and specifications. Some common quality control measures include visual inspections for surface defects, dimensional checks to ensure accurate size and length, ultrasonic or magnetic particle testing for detecting internal or surface defects, hydrostatic testing to check for leaks or weaknesses, and chemical analysis to verify the composition of the steel. Additionally, adherence to proper manufacturing processes, documentation of procedures, and regular audits are also part of quality control measures in steel pipe manufacturing.

Q: How do steel pipes handle soil movement?: Steel pipes are able to handle soil movement effectively due to their inherent strength and flexibility. The sturdy nature of steel allows the pipes to withstand the pressures exerted by soil movement, while their flexibility enables them to adapt and adjust to changes in the soil's position without fracturing or breaking. Additionally, steel pipes can be designed with specific coatings and reinforcements to further enhance their resistance to soil movement, making them a reliable choice for various applications.

Q: Can steel pipes be used for conveying natural gas?: Yes, steel pipes can be used for conveying natural gas. Steel pipes have been widely used in the natural gas industry due to their strength, durability, and ability to withstand high pressure. Additionally, steel pipes are resistant to corrosion and provide a secure and reliable method for transporting natural gas over long distances.

Q: Can steel pipes be used for fire protection systems?: Yes, steel pipes can be used for fire protection systems. Steel pipes have high heat resistance and can withstand extreme temperatures, making them suitable for carrying water, foam, or other fire suppressants in fire protection systems. Additionally, steel pipes are durable, strong, and have a long lifespan, making them a reliable choice for fire safety applications.

Q: What is the maximum operating temperature for steel pipes?: The maximum operating temperature for steel pipes typically depends on the specific grade of steel used. However, in general, carbon steel pipes can typically withstand temperatures up to 800-1000 degrees Fahrenheit (427-538 degrees Celsius). Other alloy steels, such as stainless steel or high-temperature alloys, can withstand even higher temperatures, ranging from 1200-1500 degrees Fahrenheit (649-816 degrees Celsius) or more. It is important to consult the manufacturer's specifications or industry standards to determine the exact maximum operating temperature for a specific type of steel pipe, as different grades and compositions may have different temperature limits.

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