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:Can steel pipes be used for water treatment plants?: Yes, steel pipes can be used for water treatment plants. Steel pipes are commonly used for conveying water in various industries, including water treatment plants, due to their durability, strength, and resistance to corrosion. Additionally, steel pipes can withstand high-pressure water flows and can be easily welded, making them suitable for the demanding requirements of water treatment processes.

Q:What are the different types of steel pipe fittings for chemical processing plants?: There are several types of steel pipe fittings commonly used in chemical processing plants, including elbows, tees, reducers, flanges, and valves. Elbows are used to change the direction of the flow, tees are used to combine or split the flow, reducers are used to connect pipes with different diameters, flanges are used for connecting pipes and valves, and valves control the flow of fluid within the system.

Q:Can steel pipes be used for underground drainage systems?: Yes, steel pipes can be used for underground drainage systems. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for underground applications. However, proper coating and maintenance are essential to ensure longevity and prevent rusting.

Q:What are the different types of pipe fittings used with steel pipes?: There are several types of pipe fittings commonly used with steel pipes, including elbows, tees, reducers, flanges, couplings, and unions.

Q:Can steel pipes be used for conveying liquids and gases?: Yes, steel pipes can be used for conveying both liquids and gases. They are commonly used in industries such as oil and gas, water supply, and sewage systems due to their durability, strength, and resistance to corrosion.

Q:What are the common sizes of steel pipes available?: The common sizes of steel pipes available vary widely depending on the application, but some standard sizes include 1/8 inch, 1/4 inch, 1/2 inch, 3/4 inch, 1 inch, 2 inch, 3 inch, 4 inch, 6 inch, 8 inch, 10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 24 inch, 30 inch, 36 inch, 42 inch, 48 inch, 60 inch, and 72 inch.

Q:How are steel pipes used in the manufacturing of aerospace components?: Steel pipes are used in the manufacturing of aerospace components for various purposes such as supporting structures, fuel systems, hydraulic and pneumatic systems, and exhaust systems. They provide strength, durability, and resistance to extreme temperatures and pressure, making them suitable for critical applications in the aerospace industry.

Q:Can steel pipes be used for underground geothermal systems?: Yes, steel pipes can be used for underground geothermal systems. Steel pipes are commonly used in geothermal applications due to their durability, strength, and resistance to corrosion. They can withstand high temperatures and pressures associated with geothermal systems, making them suitable for underground installations. Additionally, steel pipes are readily available and cost-effective, making them a popular choice in geothermal projects.

Q:Can steel pipes be used for underground sewer lines?: Indeed, underground sewer lines can certainly utilize steel pipes. Given their robustness, resilience, and resistance against corrosion, steel pipes are widely employed in sewer systems. They possess the capacity to withstand the immense burden of soil and external forces, rendering them highly suitable for subterranean purposes. Moreover, steel pipes boast an extended lifespan and excel in efficiently conveying wastewater and sewage over numerous years. However, it remains crucial to guarantee the appropriate coating or lining of these steel pipes to avert corrosion and further elongate their durability.

Q:Can steel pipes be used for underground stormwater drainage?: Indeed, underground stormwater drainage can utilize steel pipes. These pipes possess durability and boast a high strength-to-weight ratio, rendering them appropriate for subterranean usage. They can endure substantial burdens and fend off corrosion, thus guaranteeing sustained effectiveness within stormwater drainage systems. Furthermore, steel pipes lend themselves to easy welding, facilitating customization and flexibility during both design and installation. Nonetheless, it is imperative to implement adequate corrosion protection measures, such as the application of a protective coating or the utilization of corrosion-resistant alloys, to avert degradation over time. Regular maintenance and monitoring are also advisable to uphold the pipes' integrity and ensure optimal stormwater drainage functionality.

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