Seamless pipe ASTM A53/ASTM A 106/API 5L

Seamless pipe ASTM A53/ASTM A 106/API 5L

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 5000 m.t./month

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1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension:

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8.packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

9. Surface: painted with varnish;

10. Plastic caps at ends.

11. Tolerance: OD +1%/-1%

WT +12.5%/-10%

12. Chemical composition:

Models of Steel Pipes	Chemical Component
Steel 20 (ASTM A106B)	C	Si	Mn	P	S	Cu	Ni	Cr
Steel 20 (ASTM A106B)	0.17~0.24	0.17~0.37	0.35~0.65	0.035max	0.035max	0.25max	0.25max	0.25max
Steel45 (ASTM 1045)	0.42~0.50	0.17~0.37	0.50~0.80	0.035max	0.035max	0.25max	0.25max	0.25max
16Mn(Q345B)	0.12~0.20	0.20~0.55	1.20~1.60	0.035max	0.035max	0.25max	0.25max	0.25max
45Mn2 ( ASTM1345)	0.42~0.49	0.17~0.37	1.40~1.80	0.035max	0.035max	0.3max	0.3max	0.30max

Q: How can the immersed pipe pile put steel cage into the steel pipe? Which expert to answer?: Pile: refers to the use of hammer piling method and pile vibration method, steel casing with valve type pile tip or precast reinforced concrete pile boots into the soil, then pouring concrete (or first in the tube into the cage), while hammering or vibration of a pile side pull tube. The former is called hammer sinking pipe cast-in-place pile, and the latter is called vibrating sinking pipe cast-in-place pile.

Q: What are the factors that affect the price of steel pipes?: There are several factors that can affect the price of steel pipes. Some of the key factors include the cost of raw materials such as iron ore and steel scrap, market demand and supply dynamics, production and transportation costs, tariffs and trade policies, currency exchange rates, and overall economic conditions. Additionally, factors like technological advancements, environmental regulations, and changes in industry standards can also impact the pricing of steel pipes.

Q: Are steel pipes suitable for underground drainage systems?: Yes, steel pipes are suitable for underground drainage systems. Steel pipes have several qualities that make them a popular choice for underground drainage. Firstly, steel pipes are strong and durable, capable of withstanding high pressure and heavy loads. They are resistant to corrosion and can last for many years without the need for frequent maintenance or replacement. Steel pipes also have the advantage of being versatile and adaptable to different soil conditions. They can be easily customized to fit the specific needs of the drainage system, including varying diameters and lengths. Additionally, steel pipes can be welded together, ensuring a tight and secure connection that prevents leakage and the infiltration of groundwater. Another benefit of steel pipes in underground drainage systems is their ability to handle a wide range of temperatures. They are resistant to extreme heat or cold, making them suitable for various climates and environments. However, it is important to note that steel pipes can be more expensive than alternative materials like PVC or HDPE pipes. Additionally, they can be heavier and more difficult to install, requiring specialized equipment and expertise. Overall, steel pipes are a reliable and long-lasting option for underground drainage systems, particularly in areas where durability and strength are important considerations.

Q: Can steel pipes be used for solar power systems?: Yes, steel pipes can be used for solar power systems. Steel pipes are commonly used for various applications in solar power systems, including the construction of support structures, mounting systems, and piping systems for circulating heat transfer fluids. Steel pipes are preferred due to their strength, durability, and resistance to environmental conditions. They can handle the weight of solar panels, support structures, and withstand the forces exerted by wind and other external factors. Additionally, steel pipes can be easily customized and welded to meet specific project requirements. Overall, steel pipes are a reliable and cost-effective choice for solar power systems.

Q: How are steel pipes insulated to prevent heat gain?: Steel pipes are insulated to prevent heat gain by applying a layer of thermal insulation material around them. This insulation material acts as a barrier, preventing the transfer of heat from the surrounding environment to the steel pipes. Additionally, the insulation is often covered with a protective outer layer to enhance its durability and resistance to external factors.

Q: Are steel pipes suitable for potable water applications?: Yes, steel pipes are suitable for potable water applications. They are commonly used in water distribution systems due to their durability, strength, and resistance to corrosion. However, proper coating and lining techniques should be employed to ensure the water remains safe for consumption and to prevent any potential leaching of contaminants from the pipe material.

Q: How do steel pipes handle water hammer in high-rise buildings?: Steel pipes in high-rise buildings handle water hammer by absorbing the sudden pressure surges caused by the rapid opening and closing of valves. The strong and durable nature of steel pipes allows them to withstand the impact of water hammer without experiencing significant damage or ruptures. Additionally, the flexibility of steel pipes helps to dissipate the kinetic energy generated by the water hammer, reducing the risk of pipe bursts and ensuring the smooth flow of water throughout the building.

Q: 20# seamless steel pipe and seamless steel pipe 20G what is the difference?: 20#: low carbon steel seamless steel pipe, carbon steel is generally divided into low carbon steel, medium carbon steel and high carbon steel three, 45# steel in carbon steel, low carbon steel is lower than 45#, 45# is higher than that of high carbon steel, seamless steel pipe, such as no special requirements, using 20# seamless steel tube. 20# seamless steel pipe material is 20# steel, the strength is slightly higher than 15#, very little quenching, no temper brittleness. Cold plastic deformation and for bending, rolling, bending and hammer arch processing, arc welding and contact welding welding performance is good, when the thickness is small, prone to strict requirement of shape crack or complex shape parts. The cold or normalizing state of the cutting process is better than that of the annealed one. It is generally used to make workpieces with little stress and high toughness.

Q: What are low-pressure carbon steel tubes?: Any of various steels that contain less than 2.11% of the mass of carbon but contain no alloying elements. Sometimes referred to as plain carbon steel or carbon steel.Carbon steel, in addition to carbon, usually contains a small amount of silicon, manganese, sulfur and phosphorus.1) according to the use of carbon steel can be divided into carbon structural steel, carbon tool steel and easy to cut structural steel three categories, carbon structural steel is divided into engineering construction steel and machine manufacturing structural steel two kinds;(2) by refining methods can be divided into open hearth steel, converter steel;(3) according to deoxidization methods, they can be divided into boiling steel (F), killed steel (Z), semi killed steel (b) and special killed steel (TZ);(4) according to the carbon content of the steel can be divided into low carbon steel (WC = 0.25%), carbon steel (WC0.25% - 0.6%) and high carbon steel (WC>0.6%);(5) according to the quality of steel, carbon steel can be divided into ordinary carbon steel (phosphorus, sulfur, higher), high quality carbon steel (low phosphorus and sulfur) and high quality steel (lower phosphorus and sulfur) and super quality steel.Description: the carbon content in general carbon steel is higher, the hardness is higher, the strength is higher, but the plasticity is lower.

Q: RC is it welded steel pipe or galvanized steel pipe?: RC pipe is galvanized steel pipe, usually followed by the diameter, such as RC50, that is, 50mm galvanized steel pipe.

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