SSAW CARBON STEEL PIPE 2''-48'' CNBM PIPE

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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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	<0.045	<0.030	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.05	<0.045	<0.030	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045	<0.045	<0.030	>235	375-500	24-26
Q345	<0.20	1.0-1.6	<0.040	<0.040	<0.55	>345	470-630	21-22

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: What does "steel pipe SC" mean?: DN100 and "SCH80" refer to the outer diameter and the wall thickness of the steel pipe;

Q: How are steel pipes recycled at the end of their life cycle?: Steel pipes are typically recycled at the end of their life cycle through a process called steel recycling. This involves collecting the used pipes, separating them from other materials, and then melting them down to be formed into new steel products. The recycling process not only helps conserve valuable resources but also reduces the need for new steel production, making it an environmentally sustainable solution.

Q: How are steel pipes used in the mining and mineral processing industry?: Steel pipes are widely used in the mining and mineral processing industry for various applications. They are primarily used for the transportation of water, slurry, and other liquids within the mining operations. These pipes are also used for the conveyance of minerals, ores, and waste materials. Additionally, steel pipes are used in the construction of infrastructure such as mine shafts, pipelines, and underground tunnels in the mining industry. They provide durability, strength, and resistance to corrosion, making them a reliable choice for the demanding conditions of mining and mineral processing.

Q: How do steel pipes handle seismic expansion joints?: Steel pipes handle seismic expansion joints by incorporating flexible joints or bellows in the pipeline system. These flexible joints are designed to absorb and accommodate the movement caused by seismic activity, allowing the steel pipes to expand and contract without causing damage or failure to the overall pipeline system.

Q: How do you prevent corrosion in steel pipes?: One effective way to prevent corrosion in steel pipes is by applying a protective coating, such as paint or epoxy, to the surface of the pipes. This barrier creates a physical barrier between the pipe and the surrounding environment, preventing moisture and corrosive agents from coming into direct contact with the steel. Additionally, regular inspection and maintenance of the pipes, including cleaning and repairing any damaged coating, can help identify and address potential issues before they lead to corrosion.

Q: What are the different types of valves used with steel pipes?: There are several types of valves commonly used with steel pipes, including ball valves, gate valves, globe valves, check valves, and butterfly valves. These valves serve different purposes and have various designs, such as quarter-turn operation for ball valves, wedge-shaped gates for gate valves, and disc-shaped elements for butterfly valves. Each type of valve offers specific advantages and is selected based on the application requirements and the flow control needs of the steel pipe system.

Q: Can steel pipes be used for water treatment plants?: Yes, steel pipes can be and are commonly used in water treatment plants. Steel pipes have several advantages such as high strength, durability, and resistance to corrosion, making them suitable for conveying and transporting water in water treatment processes.

Q: What is PE coated steel pipe? Seek explanation: PE coating on the inner wall of steel pipe steel pipe is covered with a layer of polyethylene plastic polymer, PE, polyethylene (Polyethylene of raised temperature is the abbreviation of resistance English), the scope of application of the general PE pipe water supply pipe to a temperature below 40 DEG C, cannot be used for hot water transmission pipeline.

Q: How are steel pipes transported from the manufacturing site to the construction site?: Steel pipes are typically transported from the manufacturing site to the construction site using various methods such as trucks, trains, ships, or even by air. The most common mode of transportation is trucks, which allow for easy and efficient delivery directly to the construction site.

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