Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213

Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213 System 1

Boiler Heat Exchange Stainless Steel Pipe 31803 ASTM A213

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Loading Port:: Ningbo

Payment Terms:: TT OR LC

Min Order Qty:: 1 m.t.

Supply Capability:: 5000 m.t./month

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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: How do you prevent clogging in stainless steel pipes?: To prevent clogging in stainless steel pipes, regular maintenance is essential. This includes flushing the pipes with hot water regularly to remove any potential buildup. Additionally, avoiding the disposal of grease, oil, or large solid particles down the drain is crucial. Installing screens or traps at the drains can also help to catch any debris before it enters the pipes.

Q: What is the difference between 316 and 316Ti stainless steel pipes?: The carbon content is the main distinguishing factor between 316 and 316Ti stainless steel pipes. Although both grades are highly resistant to corrosion and suitable for various applications, 316Ti contains a small amount of titanium that enhances its resistance to sensitization. Sensitization occurs when stainless steel is heated between 500-900°C, resulting in the formation of chromium carbides that can cause intergranular corrosion. 316Ti stainless steel pipes prevent the formation of these carbides by reacting with carbon, thus maintaining their corrosion resistance even at high temperatures. This characteristic makes 316Ti pipes more suitable for applications involving elevated temperatures or prolonged exposure to corrosive environments. In terms of mechanical properties, both grades exhibit similar strength and toughness. However, 316Ti may have slightly lower ductility compared to 316 due to the addition of titanium. It's worth noting that the difference in carbon content between these two grades is minimal, typically less than 0.08%. To summarize, the inclusion of titanium in 316Ti stainless steel pipes enhances their resistance to sensitization and intergranular corrosion, making them a preferred choice for applications involving high temperatures or corrosive environments.

Q: Can stainless steel pipes be used for automotive exhaust systems?: Yes, stainless steel pipes can be used for automotive exhaust systems. Stainless steel is a popular choice for exhaust systems due to its excellent corrosion resistance, high temperature strength, and durability. It can withstand the extreme heat and harsh conditions that are common in automotive exhaust systems, making it a reliable and long-lasting option. Stainless steel pipes also have a smooth surface, which helps to reduce friction and improve exhaust flow, leading to improved performance and fuel efficiency. Additionally, stainless steel is a lightweight material, which can help to reduce the overall weight of the vehicle and improve its handling. Overall, stainless steel pipes are a suitable and commonly used material for automotive exhaust systems.

Q: How can stainless steel and copper pipe be welded?: First, try the test before burning. The brass is directly burned to the stainless steel tube. First feel the heat and see what the stainless steel likes to adhere toWhen stainless steel is not red, copper is not adheredWhen stainless steel is red, do not stick copperOnly when stainless steel is red, copper paste is preferredTherefore, when welding, we must master the size of the furnace, thin and thin pipe, fire should be adjusted to small crude pipe, on the contrary, they feel the proper heat

Q: What is the difference between Schedule 30 and Schedule 40 stainless steel pipes?: The main difference between Schedule 30 and Schedule 40 stainless steel pipes lies in their wall thickness. Schedule 40 pipes have a thicker wall compared to Schedule 30 pipes. This difference in thickness makes Schedule 40 pipes more suitable for high-pressure applications and heavy-duty usage, while Schedule 30 pipes are typically used for lower-pressure applications.

Q: Stainless steel works. What saw can be sawed off?: Large quantity resin grinding wheel cutter. A small number of saw blade saw frame quickly is also very labor-saving. Saw blade with fine teeth. The middle teeth and coarse teeth are not suitable, easy to clamp teeth broken teeth.

Q: Are stainless steel pipes resistant to scaling?: Yes, stainless steel pipes are highly resistant to scaling.

Q: What is the difference between ERW and EFW stainless steel pipes?: ERW (Electric Resistance Welded) and EFW (Electric Fusion Welded) are two different methods used for manufacturing stainless steel pipes. The main difference between the two lies in the welding process. ERW stainless steel pipes are manufactured by rolling a flat sheet of steel into a cylindrical shape and then welding the edges together using a high-frequency electrical current. This process creates a strong, seamless joint between the two edges of the sheet, resulting in a pipe that is highly resistant to corrosion and has a smooth interior surface. ERW pipes are commonly used in applications where strength and durability are required, such as in the oil and gas industry. On the other hand, EFW stainless steel pipes are made by applying a combination of heat and pressure to melt the edges of two pieces of steel and then welding them together. This fusion welding process results in a pipe that has a continuous weld along its entire length, eliminating the need for any additional welding. EFW pipes are known for their excellent corrosion resistance and are often used in applications where high-pressure and high-temperature conditions are present, such as in chemical plants and power generation facilities. In summary, the main difference between ERW and EFW stainless steel pipes lies in the welding process. ERW pipes are made by welding the edges of a flat sheet, while EFW pipes are made by fusing the edges of two pieces of steel. Both methods have their respective advantages and are used in different applications depending on the specific requirements of the project.

Q: Can stainless steel pipes be threaded with NPT threads?: Yes, stainless steel pipes can be threaded with NPT (National Pipe Thread) threads.

Q: What is the standard size range for stainless steel pipes?: The standard size range for stainless steel pipes varies depending on the industry and application. However, in general, stainless steel pipes are available in a wide range of sizes, starting from small diameters of around 0.5 inches (12.7 mm) to large diameters of up to 48 inches (1219 mm) or even larger in some cases. The wall thickness of stainless steel pipes can also vary, ranging from thin-walled pipes with a thickness of a few millimeters to heavy-walled pipes with thicknesses exceeding an inch. The specific size range for stainless steel pipes may be determined by factors such as the intended use, pressure requirements, and industry standards. It is important to consult relevant specifications and standards to determine the appropriate size range for a specific application.

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