API SSAW LSAW CARBON STEEL PIPE LINE OIL GAS PIPE 28‘’

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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

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: Can steel pipes be used in earthquake-prone areas?: Yes, steel pipes can be used in earthquake-prone areas. Steel is a strong and durable material that can withstand the forces generated during an earthquake. The flexibility and ductility of steel allow it to absorb and dissipate the energy of seismic waves, reducing the risk of structural failure. Additionally, the ability to weld steel pipes allows for the construction of robust and earthquake-resistant structures. However, it is important to ensure proper engineering and construction practices are followed to ensure the steel pipes are installed and connected correctly to maximize their earthquake resistance. Local building codes and regulations should also be considered to ensure compliance and safety in earthquake-prone areas.

Q: How do steel pipes handle extreme temperatures?: Steel pipes can handle extreme temperatures due to their high strength and thermal stability. The properties of steel, such as its excellent heat resistance and low thermal expansion, allow it to withstand both high and low temperatures without significant deformation or structural damage. Additionally, the use of specialized coatings and insulation can further enhance the heat resistance of steel pipes, making them suitable for a wide range of applications in extreme temperature environments.

Q: How do you calculate the pipe deflection for steel pipes?: To calculate the pipe deflection for steel pipes, you need to consider several factors. The deflection of a pipe is the bending or displacement that occurs when a load is applied to it. Here are the steps to calculate the pipe deflection: 1. Determine the properties of the steel pipe: You need to know the material properties of the steel pipe, including its Young's modulus (E) and its moment of inertia (I). Young's modulus represents the stiffness of the material, while the moment of inertia measures its resistance to bending. 2. Identify the load applied: Determine the type and magnitude of the load that will be applied to the pipe. This could include factors such as internal pressure, external loads, or thermal expansion. 3. Use the appropriate formula: Depending on the type of load and the support conditions of the pipe, you will need to use the appropriate formula to calculate the deflection. For example, if the pipe is simply supported (fixed at both ends), you can use the formula δ = (5 * w * L^4) / (384 * E * I), where δ represents the deflection, w is the load per unit length, L is the length of the pipe, and E and I are the material properties mentioned earlier. 4. Input the values and calculate: Plug in the values of the load, pipe length, and material properties into the formula. By doing so, you can calculate the deflection of the steel pipe. It is important to note that the calculation of pipe deflection is a complex process that requires expertise in structural engineering. Therefore, it is advisable to consult a professional engineer or use specialized software for accurate and reliable results.

Q: Why can't stainless steel be put together with carbon steel tube?: Stainless steel can not be put together with carbon steel because of galvanic corrosion

Q: What are the different grades of steel pipes?: There are several different grades of steel pipes, including carbon steel, stainless steel, and alloy steel. Each grade has its own unique properties and is used for specific applications based on factors such as strength, corrosion resistance, and temperature resistance.

Q: How big is the seamless steel tube of DN50?: This refers to the diameter of the steel pipe is 50 mm, DN50 steel pipe diameter is 60.3 mm, that is, 60.3 * 5 mm steel pipe

Q: Are steel pipes resistant to impact?: Yes, steel pipes are generally resistant to impact due to their strong and durable nature. They can withstand heavy loads and external forces, making them suitable for applications that involve high-pressure environments or potential impact scenarios.

Q: Can steel pipes be used for underground steam pipelines?: Yes, steel pipes can be used for underground steam pipelines. Steel pipes are known for their durability and high temperature resistance, making them suitable for transporting steam underground.

Q: How are steel pipes marked for identification?: Pipe marking is a process used to identify steel pipes. This process involves placing labels or markers on the pipes' surface to provide important information about their specifications and characteristics. The labels typically include details such as the size, grade, material composition, manufacturer's logo or name, and any relevant codes or standards. These markings are crucial for proper identification and ensure that the right pipes are used for specific applications, as well as for maintenance and repair purposes. Furthermore, the markings also assist with quality control and traceability, making it easy to identify and track the pipes throughout their lifespan. In summary, using clear and durable marking systems to identify steel pipes is vital for safety, efficiency, and compliance in various industries where these pipes are used.

Q: How are steel pipes protected against rust?: Steel pipes are protected against rust through various methods such as galvanization, epoxy coating, and using corrosion-resistant alloys.

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