Seamless Steel Pipe for Petroleum Cracking Multipurpose Hot

Seamless Steel Pipe for Petroleum Cracking Multipurpose Hot System 1

Seamless Steel Pipe for Petroleum Cracking Multipurpose Hot

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 10 m.t.

Supply Capability:: 4500 m.t./month

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Product Description:

Standard：
GB9948 Chinese national standard
Application：
Served as for furnace tubes，heat exchange tubes and pipelines in petroleum and refinery plants
Model No．of major steel tubes：
1n 9n 1Er!rMn 1rhMn 1f：hM0 etC

Diamensional tolerances:

Types of steel tubes	Outer diameter		Wall thickness
Cold-rolled tubes	Tube sizes(mm)	Tolerances(mm)	Tube sizes (mm)	Tolerances(mm)
	＞30～50	±0.3	≤30	±10％
	＞50～219	±0.8％	≤30	±10％
Hot-rolled tubes	＞219	±1.0％	＞20	±10％

Mechanical properties：

Standard codes	Models of steel tubes	抗拉强度（MPa）	屈服强度（MPa）	伸长率（％）	冲击功（J）	布氏硬度（HB）	交货状态
GB9948	10	330～490	≥205	≥24	/	/	正火
	20	410～550	≥245	≥21	≥39	/	正火
	15CrMo	440～640	≥235	≥21	≥47	≤170	正火加回火
	1Cr2Mo	≥390	≥175	≥22	≥92	≤179	正火加回火
	1Cr5Mo	≥390	≥195	≥22	≥92	≤187	退火

Chemical composition:

Standard codes	Models of steel tubes	Chemical compositions（％）
Standard codes	Models of steel tubes	C	Si	Mn	P	S	Cr	Mo	Ni
GB9948	10	0.07～0.14	0.17～0.37	0.35～0.65	≤0.035	≤0.035	≤0.15	/	≤0.25
	20	0.17～0.24	0.17～0.37	0.35～0.65	≤0.035	≤0.035	≤0.25	/	≤0.25
	15CrMo	0.12～0.18	0.17～0.37	0.40～0.70	≤0.035	≤0.035	0.80～1.10	0.40～0.55	≤0.30
	1Cr2Mo	≤0.15	0.50～1.00	0.30～0.60	≤0.035	≤0.030	2.15～2.85	0.45～0.65	/
	1Cr5Mo	≤0.15	≤0.50	≤0.60	≤0.035	≤0.030	4.00～6.00	0.45～0.60	≤0.60

FAQ of Seamless Pipe :

①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Any question, pls feel free to contact us !

Seamless Pipe Images：

Seamless Steel Pipe for Petroleum Cracking Multipurpose Hot

Q: What is the average cost of steel pipes?: The average cost of steel pipes can vary significantly depending on factors such as size, grade, and quantity needed. Therefore, it is difficult to provide a specific average cost without more information.

Q: Can steel pipes be used for the construction of offshore platforms?: Yes, steel pipes can be used for the construction of offshore platforms. Steel pipes are commonly used in offshore construction due to their high strength, durability, and resistance to corrosion in harsh marine environments. They are suitable for various applications, including the fabrication of jacket legs, risers, pile sleeves, and other structural components necessary for offshore platform construction.

Q: How much is the tube?: The first prerequisite we need to determine is: what are the specifications of the steel pipe mentioned? Such as the commonly used steel pipe specifications: diameter 108*4.5, diameter 219*6, diameter 377*10, diameter and wall thickness of steel pipe with different specifications, different weight, so the steel price per meter is different.

Q: How are steel pipes protected against external impact or mechanical damage?: Steel pipes are typically protected against external impact or mechanical damage through the use of various methods such as applying protective coatings, installing corrosion-resistant materials, using concrete encasement, or utilizing protective shields or guards.

Q: How do steel pipes handle chemical exposure?: Steel pipes are renowned for their excellent ability to resist exposure to chemicals. The strength and durability of steel make it a dependable material for managing different types of chemicals. Steel pipes can endure contact with a diverse array of corrosive substances like acids, alkalis, solvents, and gases without undergoing significant degradation or damage. One of the primary factors contributing to the effectiveness of steel pipes in handling chemical exposure is their innate resistance to corrosion. Steel naturally resists corrosion and can create a protective oxide layer on its surface, which acts as a barrier against chemical attack. Additionally, steel pipes can be coated or lined with materials that have corrosion-resistant properties, such as epoxy, polyethylene, or cement, to offer additional defense against aggressive chemicals. Furthermore, steel pipes find widespread use in industrial settings where they encounter various chemicals. They are extensively employed in chemical plants, refineries, water treatment facilities, and other industries that require the transportation or storage of chemicals. Steel pipes can withstand the high pressures and temperatures associated with these processes while retaining their structural integrity and resistance to chemicals. However, it is important to acknowledge that the resistance of steel pipes to chemical exposure may vary depending on the specific type and concentration of the chemical. Certain highly corrosive substances may necessitate additional measures, such as specialized coatings or alloys, to ensure long-term protection. In conclusion, steel pipes are generally well-suited for managing chemical exposure due to their inherent resistance to corrosion, durability, and versatility. Their capability to endure a wide range of corrosive substances makes them a trustworthy choice for diverse industrial applications involving the transportation and storage of chemicals.

Q: Can steel pipes be used for underground electrical conduits?: Yes, steel pipes can be used for underground electrical conduits. They are durable, strong, and provide excellent protection for the electrical wiring. However, it is essential to consider factors such as corrosion and grounding requirements before choosing steel pipes for underground electrical conduits.

Q: Can steel pipes be used for culvert applications?: Yes, steel pipes can be used for culvert applications. Steel pipes are commonly used for culverts due to their durability, strength, and resistance to corrosion. They can withstand heavy loads and are able to handle high traffic volumes and large water flows. Additionally, steel pipes can be easily manufactured in various sizes and shapes to suit specific culvert requirements. Their longevity and low maintenance needs make them a cost-effective choice for culvert applications.

Q: Can steel pipes be painted?: Yes, steel pipes can be painted. The process typically involves cleaning and preparing the surface, applying a primer, and then using a suitable paint or coating to achieve the desired finish.

Q: How are steel pipes used in sewage systems?: Steel pipes are commonly used in sewage systems due to their durability and strength. They are used to transport sewage from homes, businesses, and industries to treatment plants or disposal sites. Steel pipes are able to handle the corrosive nature of sewage and are resistant to various chemicals and pressure. Additionally, they are also used for the construction of manholes, pumping stations, and other sewage system infrastructure.

Q: How are steel pipes used in the petrochemical industry?: Steel pipes are extensively used in the petrochemical industry for various applications such as transporting oil, gas, and other fluids. These pipes are highly durable and can withstand high pressure and extreme temperatures, making them ideal for the harsh conditions in petrochemical plants. Additionally, steel pipes are resistant to corrosion, ensuring the safe and efficient transportation of chemicals. They are also used for structural support and as conduits for electrical wiring in petrochemical facilities. Overall, steel pipes play a crucial role in the petrochemical industry by enabling the safe and reliable transportation of fluids and providing structural integrity.

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