32''-48'' 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: What does seamless steel tube mean? What are the main uses? What are the classifications?: Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.

Q: Are steel pipes suitable for underground mining operations?: Yes, steel pipes are suitable for underground mining operations. Steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for use in harsh underground mining environments. They can withstand high pressure and are capable of transporting various substances, such as water, air, or mining materials, with reliability and efficiency. Additionally, steel pipes can be customized to meet specific mining requirements, ensuring their suitability for underground operations.

Q: How do you calculate the pipe flow velocity coefficient for steel pipes?: The pipe flow velocity coefficient for steel pipes can be calculated using the Manning's equation. Manning's equation is used to calculate the flow velocity in open channels and pipes, and it takes into account the hydraulic radius, slope, and roughness coefficient of the pipe. To calculate the pipe flow velocity coefficient for steel pipes, follow these steps: 1. Determine the hydraulic radius (R) of the steel pipe. The hydraulic radius is calculated by dividing the cross-sectional area of the pipe (A) by the wetted perimeter (P). The formula is R = A/P. 2. Find the slope (S) of the pipe. The slope represents the change in elevation divided by the length of the pipe. It is usually given as a ratio or a percentage. 3. Determine the roughness coefficient (n) of the steel pipe. The roughness coefficient represents the internal roughness of the pipe and can be obtained from literature or pipe manufacturer specifications. It is commonly given in terms of the Manning's roughness coefficient. 4. Substitute the values of hydraulic radius (R), slope (S), and roughness coefficient (n) into the Manning's equation: V = (1/n) * R^(2/3) * S^(1/2) where V is the flow velocity. 5. Solve the equation for V to calculate the pipe flow velocity coefficient for steel pipes. It is important to note that the calculated velocity coefficient may vary based on the specific pipe dimensions, flow conditions, and other factors. Therefore, it is recommended to consult relevant engineering standards or consult with a hydraulic engineer to ensure accurate and reliable calculations for specific applications.

Q: How are steel pipes used in the construction of gas distribution networks?: Steel pipes are commonly used in the construction of gas distribution networks due to their durability, strength, and resistance to corrosion. These pipes are installed underground to transport natural gas from the source to various distribution points. They are used to create a reliable and efficient network that delivers gas safely to homes, businesses, and industries.

Q: What is the difference between carbon steel and alloy steel pipes?: Carbon steel pipes and alloy steel pipes are two distinct types of steel pipes, characterized by their composition and properties. Carbon steel pipes, consisting mainly of carbon and iron, incorporate small quantities of other elements such as manganese, silicon, and copper. These pipes are renowned for their robustness and durability, making them a favored option in industries like construction, oil and gas, and automotive. Carbon steel pipes are relatively low-priced and exhibit commendable resistance to corrosion. In contrast, alloy steel pipes are produced by introducing additional alloying elements to carbon steel. These alloying elements encompass chromium, nickel, molybdenum, vanadium, and others. The incorporation of these elements augments the steel's properties, resulting in increased strength, superior corrosion resistance, and enhanced heat resistance. Alloy steel pipes are commonly employed in applications involving high temperatures and pressures, such as power plants, refineries, and chemical plants. Regarding cost, alloy steel pipes generally incur higher expenses compared to carbon steel pipes due to the inclusion of supplementary alloying elements. Nevertheless, the added advantages in terms of performance and longevity often justify the elevated cost. To summarize, the primary distinction between carbon steel and alloy steel pipes lies in their composition and properties. Carbon steel pipes primarily consist of carbon and iron, while alloy steel pipes contain additional alloying elements to enhance their properties. Carbon steel pipes are celebrated for their strength and affordability, whereas alloy steel pipes offer improved strength, corrosion resistance, and heat resistance.

Q: How are steel pipes used in the agriculture sector?: Steel pipes are commonly used in the agriculture sector for various purposes, such as irrigation systems, drainage systems, and structural support for farm buildings and infrastructure. They are also used for conveying water, chemicals, and other fluids, as well as for constructing fencing and livestock enclosures. Moreover, steel pipes are utilized in the construction of machinery and equipment essential for farming operations.

Q: Difference between cold rolled steel pipe and common steel pipe: From the above point of view, the hot rolled steel pipe used in fluid transport, mechanical structure and other requirements of the size of the situation is not high, cold-rolled steel pipe used in precision instruments, hydraulic systems, pneumatic and other places demanding.

Q: How are steel pipes used in the telecommunications industry?: Steel pipes are commonly used in the telecommunications industry for various purposes such as underground cable installation, protection of fiber optic cables, and support of communication towers.

Q: What are the different types of steel pipe fittings for plumbing systems?: There are several different types of steel pipe fittings for plumbing systems, including elbows, tees, couplings, unions, reducers, and flanges.

Q: What are the safety measures to consider when working with steel pipes?: When working with steel pipes, it is important to follow specific safety measures to ensure a safe working environment. Some key safety measures to consider include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. Additionally, workers should be cautious of sharp edges and use tools designed for cutting and handling steel pipes. It is crucial to secure pipes properly to prevent accidents caused by falling or rolling pipes. Lastly, workers should be trained on proper lifting techniques to avoid strain or injury when handling heavy steel pipes.

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