Seamless steel pipe API,GB,ASTM,ASME,DIN high quality

Seamless steel pipe API,GB,ASTM,ASME,DIN high quality

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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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Seamless pipe API,GB,ASTM,ASME,DIN high quality

America Standard A53 Q215 150g Hot Dipped or Pre-galvanized Pipe

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 do steel pipes handle ground settlement?: Steel pipes are generally robust and durable, making them well-suited for handling ground settlement. The flexibility and strength of steel allow the pipes to withstand the shifting and settling of the ground without significant damage. Steel pipes have a high resistance to deformation, which means they can maintain their shape and structural integrity even when the ground settles or moves. When the ground settles, steel pipes can accommodate the movement by flexing and bending slightly. This flexibility allows them to adjust to changes in the ground without breaking or cracking. Additionally, steel pipes are often designed with joints that can absorb and distribute stress caused by ground settlement. Furthermore, steel pipes have a smooth interior surface that minimizes friction and resistance to the flow of materials. This feature is particularly important when the ground settles because it reduces the likelihood of clogs or blockages due to debris or sediment settling in the pipes. In summary, steel pipes are well-equipped to handle ground settlement due to their strength, flexibility, and resistance to deformation. They can adapt to the movement of the ground without compromising their structural integrity, making them a reliable choice for various applications, including underground infrastructure and pipeline systems.

Q: Can steel pipes be used for shipbuilding?: Certainly, shipbuilding can make use of steel pipes. Steel is a widely employed material in ship construction owing to its robustness, endurance, and resistance to corrosion. Steel pipes serve multiple purposes in shipbuilding, encompassing the manufacture of the vessel's hull, superstructure, and various internal systems such as plumbing, ventilation, and fuel lines. The strength and structural integrity of steel pipes render them suitable for enduring the unforgiving conditions encountered at sea, including high pressures, extreme temperatures, and exposure to saltwater. Furthermore, steel pipes can be easily welded and shaped to meet the precise requirements of shipbuilding, making them an adaptable choice for this industry.

Q: Can steel pipes be used for underground sprinkler systems?: Yes, steel pipes can be used for underground sprinkler systems. However, it is important to note that steel pipes are not as commonly used as other materials like PVC or polyethylene due to their susceptibility to corrosion. If steel pipes are chosen for this application, they should be coated or lined to protect them from underground moisture and ensure their longevity.

Q: Are steel pipes suitable for fire protection systems?: Yes, steel pipes are suitable for fire protection systems. They are widely used due to their durability, strength, and resistance to high temperatures. Steel pipes can efficiently transport water or fire suppressants to extinguish fires effectively, making them a reliable choice for fire protection installations in various buildings and industrial settings.

Q: What's the difference between steel pipe and pipe fittings?: Pipe fittings: parts that connect pipes to pipes. According to the connection method can be divided into socket type pipe fittings, threaded fittings, flange pipe fittings and welding pipe fittings four kinds. Multipurpose; made of the same material as pipes. Elbow (elbow), flange, three pipe and four pipe (crosshead) and reducer (reducer) etc.. Elbow for pipeline corner; flange for the pipe and pipe interconnected parts, connected to the pipe end, three pipe for three pipe collection; four pipe for four tubes together place; for two pipes of different diameters connected to different diameter pipe.

Q: How are steel pipes used in the marine industry?: Steel pipes are commonly used in the marine industry for various applications such as transportation of fluids, structural support, and offshore drilling. They are used for the construction of ships, offshore platforms, and pipelines, as they possess high durability, strength, and corrosion resistance. Additionally, steel pipes are used for cooling systems, ballast transfer, and other critical functions required in marine engineering.

Q: What are the different types of steel pipe coatings for offshore applications?: There are several types of steel pipe coatings that are commonly used for offshore applications. Some of the most common types include fusion bonded epoxy (FBE) coating, three-layer polyethylene (3LPE) coating, and three-layer polypropylene (3LPP) coating. FBE coating provides excellent corrosion resistance and is often used in subsea pipelines. 3LPE coating combines fusion bonded epoxy with an adhesive and a high-density polyethylene layer, offering superior mechanical protection and corrosion resistance. 3LPP coating, on the other hand, combines fusion bonded epoxy with an adhesive and a polypropylene layer, providing enhanced resistance to high temperatures and chemicals. These coatings help to protect steel pipes from corrosion, abrasion, and other environmental factors, ensuring their durability in offshore environments.

Q: What is the cost of steel pipes?: The cost of steel pipes can vary depending on factors such as the size, grade, and quantity needed, as well as market conditions and supplier. It is recommended to contact suppliers or check online platforms to get specific pricing information.

Q: How do steel pipes handle seismic activities?: Steel pipes are highly durable and flexible, making them well-suited for handling seismic activities. The inherent strength and elasticity of steel allow the pipes to withstand ground movements during earthquakes without fracturing or collapsing. Additionally, steel pipes can absorb and distribute seismic forces throughout their structure, reducing the risk of damage or failure.

Q: What are the different types of coatings used on steel pipes?: There are several different types of coatings used on steel pipes, including polyethylene, fusion bonded epoxy, coal tar enamel, and asphalt enamel. These coatings provide protection against corrosion, abrasion, and other forms of damage, ensuring the longevity and durability of the steel pipes.

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