Boiler Heat Exchange Stainless Steel Pipe

Boiler Heat Exchange Stainless Steel Pipe System 1

Boiler Heat Exchange Stainless Steel Pipe

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 3000 m.t./month

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Product Description:

1、Structure of Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 Description：

Boiler Heat Exchange stainless steel pipe is often used in the heating system. Heating system, or those stored energy (such as solar energy) in the form of heat, need to be built with the material that can withstand temperatures up to 550 degrees Celsius. High chromium molybdenum welded steel pipe can work in the extreme, which maintain as the ideal material for the construction of power station.

2、Main Features of Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213：

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

•Reasonable price

3、Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 Images：

Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213

4、Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 Specification：

1)Commodity: heat exchanger pipe
2))Material: 304,316L,304L,316,321,310S,etc
3)Thickness:0.5-100mm
4)Length: 1-14m

Material Grade	304,304L,316 ,316L,321,310S,2205,904and so on.
Standard	ASTM A312, A554, A249, A269 and A270,ect
	DIN 17456-85 , DIN 17458-85, DIN 17459-92,ect
	JIS G3446-1994, JIS G3448-1997, JIS G3459-1997, JIS G3463-1994,ect
	GB13296-1991, GB14975-2002, GB14976-2002,ect
Outer Diameter	13.7-2020mm
Thickness	0.5-50mm
Length	1m -12m or as customers' request
Polish	180G, 320G, 400G Satin / Hairline
Polish	400G, 500G, 600G or 800G Mirror finish
Test	eddy current inspection, ultrasonic inspection, X-ray inspection, real-time imaging, hydrostatic test, spectral analysis, intergranular corrosion, water pressure test, and mechanical property testing facilities.
Payment	1) by L/C at sight,
Payment	2) 30% deposit, 70% balance before Shipping.
Delivery time	A.7 days if this goods is stock goods.
Delivery time	B.25 days if this goods will be produced after order
Validity	Valid time is 3 days for price usually.
Payment terms	FOB QINGDAO
MOQ	1 ton
Capacity	1000 ton per month
Certificate	ISO, SGS, and third part inspection
Applications	the products are widely used in chemical industry, condenser pipe, heat exchanger, petroleum, shipping military, environment protection, high temperature resistant, low temperature resistant, corrosion resistant and so on.
packing details	1) Wooden-box Package. 2) The Wooden Frame Packing. 3) Intertexture Cloth Packaging with the Iron Sheet Bonding and the Two Terminals Covered With Plastic Dome.

5、FAQ of Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213：

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 !

Q: What is the maximum pressure stainless steel pipes can handle?: The maximum pressure capacity of stainless steel pipes varies depending on several factors, including the grade of stainless steel, the pipe's wall thickness, and the specific application. Stainless steel pipes exhibit high resistance to pressure, making them suitable for diverse industrial uses. Different grades of stainless steel pipes, such as 304, 316, and 321, come with their own maximum pressure ratings. For example, grade 304 stainless steel pipes typically withstand pressures of up to 870 psi, while grade 316 stainless steel pipes can handle pressures up to 1,500 psi. It is important to consider the wall thickness of the pipe, as it significantly affects the maximum pressure capacity. Thicker-walled pipes generally tolerate higher pressures compared to thinner-walled pipes. Moreover, the specific application and operating conditions influence the maximum pressure capacity of stainless steel pipes. Factors like temperature, corrosive substances, and external forces must be taken into account to ensure the pipes can endure the intended pressure. To determine the maximum pressure capacity for a specific application, it is advisable to consult with a qualified engineer or refer to industry standards and guidelines, such as those provided by the American Society of Mechanical Engineers (ASME) or the International Organization for Standardization (ISO). These resources offer comprehensive information on pressure ratings and specifications for different grades and sizes of stainless steel pipes.

Q: Can stainless steel pipes be used for structural purposes?: Yes, stainless steel pipes can be used for structural purposes. Stainless steel is known for its strength and durability, making it suitable for various structural applications such as construction, infrastructure, and industrial projects. Its corrosion resistance properties also make it a preferred choice for environments that are exposed to moisture or chemicals.

Q: What is the difference between seamless and hot-expanded stainless steel pipes?: Two distinct methods exist for manufacturing stainless steel pipes: seamless and hot expansion. Seamless stainless steel pipes are formed by piercing a solid billet of stainless steel and rolling it into the desired pipe shape. In this process, there is no welding or joining of separate pieces, resulting in a seamless pipe. These pipes are renowned for their uniformity and strength, as they lack weak points or potential leak paths. Although more expensive to produce, they are essential in applications requiring high corrosion resistance and pressure handling, such as in the oil and gas industry or high-pressure boilers. Conversely, hot-expanded stainless steel pipes are created by heating a stainless steel pipe and expanding it to a larger diameter using a mandrel within the pipe. This method is employed to produce larger diameter pipes for specific purposes. The hot expansion process can enhance the mechanical properties of the pipe, including increased tensile strength and improved corrosion resistance. Industries such as petrochemical, power generation, and construction frequently employ these pipes. In conclusion, the key distinction between seamless and hot-expanded stainless steel pipes lies in their manufacturing processes and resulting properties. Seamless pipes are crafted by rolling a solid billet, while hot-expanded pipes are formed by heating and expanding an existing pipe. Seamless pipes are recognized for their strength and uniformity, while hot-expanded pipes are often utilized for larger diameter applications and can possess enhanced mechanical properties.

Q: Are stainless steel pipes suitable for pulp and paper industries?: Yes, stainless steel pipes are highly suitable for pulp and paper industries. This is primarily because stainless steel offers excellent corrosion resistance, which is crucial in environments where pulp and paper production takes place. The chemicals and liquids used in the pulp and paper industry can be highly corrosive, and stainless steel is resistant to corrosion caused by these substances. Additionally, stainless steel pipes are known for their durability and strength, making them capable of withstanding the rigorous demands of the industry. They can handle high temperatures and pressures, ensuring reliable and efficient performance in the production process. Furthermore, stainless steel pipes are hygienic and easy to clean, which is essential in maintaining the quality and integrity of the products in the pulp and paper industry. Overall, the exceptional properties of stainless steel pipes make them an ideal choice for use in the pulp and paper industry.

Q: What are stainless steel pipes used for?: Stainless steel pipes are widely used in various industries for their exceptional durability, corrosion resistance, and high strength. They find extensive applications in plumbing systems, oil and gas industries, chemical processing plants, food and beverage processing, pharmaceutical industries, and automotive manufacturing, among others. In plumbing systems, stainless steel pipes are favored for their ability to withstand high pressure and temperature, making them suitable for transporting water, gas, and other fluids. They are also commonly used in sewage and drainage systems due to their resistance to corrosion and chemical substances. In the oil and gas industries, stainless steel pipes are used for transporting petroleum products, natural gas, and other fluids under high pressure and extreme temperatures. Their corrosion resistance properties make them indispensable in offshore and onshore drilling operations, refineries, and petrochemical plants, ensuring the safe and efficient transportation of these substances. Chemical processing plants rely on stainless steel pipes for their resistance to chemical reactions and high temperatures. They are used to transport various corrosive chemicals and gases without the risk of contamination or leakage. Additionally, stainless steel pipes are utilized in heat exchangers, reactors, and other equipment that require corrosion-resistant materials. The food and beverage industry also heavily relies on stainless steel pipes due to their hygiene and sanitary properties. They are used for conveying various food products, such as milk, wine, beer, and other liquids, without altering their taste or quality. Stainless steel pipes are easy to clean, maintain, and sterilize, making them ideal for this industry. In the pharmaceutical sector, stainless steel pipes play a crucial role in conveying various drugs, chemicals, and sterile fluids. They meet the stringent requirements of the industry by ensuring product purity, preventing contamination, and offering resistance to corrosion and temperature extremes. Moreover, stainless steel pipes are utilized in automotive manufacturing for their structural strength and resistance to heat and corrosion. They are used in exhaust systems, fuel lines, and other components where durability and resistance to extreme conditions are necessary. Overall, stainless steel pipes are versatile and essential in numerous industries, providing the perfect combination of strength, durability, and corrosion resistance needed for a wide range of applications.

Q: What's the difference between cold drawn steel tube and hot rolled steel tube?: Cold drawn steel tube is a kind of precision cold drawn seamless pipe used for mechanical structure and hydraulic equipment with high dimensional accuracy and good surface finish. The use of precision seamless tube manufacturing machinery structure or hydraulic equipment, etc., can greatly save the working hours of mechanical processing, improve material utilization, at the same time help improve product quality.

Q: What is the difference between 446 and 316 stainless steel pipes?: The main difference between 446 and 316 stainless steel pipes lies in their chemical composition and intended use. 446 stainless steel is a ferritic, heat-resistant alloy that contains chromium, molybdenum, and small amounts of other elements such as silicon and carbon. This composition provides 446 stainless steel with excellent oxidation resistance at high temperatures, making it suitable for applications in the automotive, power generation, and thermal processing industries. It can withstand temperatures up to 1500°C (2730°F) and exhibits good corrosion resistance in certain environments. On the other hand, 316 stainless steel is an austenitic, corrosion-resistant alloy that contains chromium, nickel, and molybdenum. It is widely used in various industries, including food processing, pharmaceuticals, marine applications, and chemical processing, due to its superior corrosion resistance and ability to withstand harsh environments. 316 stainless steel also offers good resistance to pitting and crevice corrosion, making it suitable for use in chloride-containing environments. In terms of mechanical properties, 446 stainless steel generally exhibits lower tensile strength and hardness compared to 316 stainless steel. However, it compensates for this by offering better high-temperature oxidation resistance. 316 stainless steel, on the other hand, has higher tensile strength and hardness, providing better overall mechanical properties. In summary, while both 446 and 316 stainless steel pipes offer corrosion resistance, the key differences lie in their chemical composition and specific application areas. 446 stainless steel is primarily used in high-temperature environments, while 316 stainless steel is more versatile and widely used in various industries due to its superior corrosion resistance properties.

Q: How do you prevent scaling in stainless steel pipes?: One way to prevent scaling in stainless steel pipes is by using a process called passivation. Passivation involves treating the stainless steel surface with a mild oxidant or acid solution to remove any contaminants and create a protective oxide layer. Regular cleaning and maintenance, avoiding prolonged exposure to high temperatures, and controlling the water chemistry are also effective measures to prevent scaling in stainless steel pipes.

Q: What are the dimensions and sizes of stainless steel pipes?: The dimensions and sizes of stainless steel pipes can vary greatly depending on the specific application and industry requirements. Stainless steel pipes are available in various sizes, ranging from small diameter tubes of a few millimeters to larger pipes with diameters exceeding several feet. The dimensions of stainless steel pipes are typically specified by their outer diameter (OD), wall thickness, and length. The wall thickness can vary based on the intended use and pressure requirements of the pipe. Additionally, stainless steel pipes can be found in different shapes, such as round, square, or rectangular, to suit various installation needs.

Q: Can stainless steel pipes be insulated with mineral wool?: Certainly, mineral wool is a viable option for insulating stainless steel pipes. Widely utilized in multiple sectors like plumbing and construction, mineral wool serves as a reliable and efficient insulation material. It exhibits remarkable properties such as withstanding elevated temperatures, providing exceptional thermal and acoustic insulation. Moreover, mineral wool possesses non-combustible characteristics and moisture resistance, rendering it suitable for insulating stainless steel pipes conveying either hot or cold fluids. By employing this insulation, one can combat heat loss, decrease energy consumption, and safeguard against condensation and pipe sweating.

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