stainless steel pipe/tube 304pipe,stainless steel weld pipe/tube,201pipe,stainless steel profile

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 1000 m.t./month

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Place of Origin:

China (Mainland)

Packaging & Delivery

Packaging Detail:	stainless steel pipe/tube ,304pipe,stainless steel weld pipe/tube, stainless steel welded pipe/tube ,201pipe,stainless steel profile
Delivery Detail:	20days

Specifications

stainless steel pipe/tube 304pipe,stainless steel weld pipe/tube,201pipe,stainless steel profile
Standard ASTM A554, A249, A26

Standard	ASTM A554, A249, A269 and A270, A312
Material Grade	201 ( Ni 0.8%), 202 (Ni 3.5%~4.5%), 301(Ni 5%) 304 (Ni 8%, Cr 18%), 316 (Ni 10%, Cr 18%), 316L (Ni10%~14%), 430
Outer Diameter	6mm--159mm
Thickness	0.3mm - 3.0mm
Length	6m or as customers' request
Tolerance	a) Outer Diameter: +/- 0.2mm
	b) Thickness: +/- 0.02mm
	c) Length: +/- 5mm
Surface	180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish
Application	Decoration construction, upholstery, industry instrument
Test	Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Chemical Composition of Material	Material Composition	201	202	304	316	430
	C	≤0.15	≤0.15	≤0.08	≤0.08	≤0.12
	Si	≤1.00	≤1.00	≤1.00	≤1.00	≤1.00
	Mn	5.5-7.5	7.5-10	≤2.00	≤2.00	≤1.00
	P	≤0.06	≤0.06	≤0.045	≤0.045	≤0.040
	S	≤0.03	≤0.03	≤0.030	≤0.030	≤0.030
	Cr	16-18	17-19	18-20	16-18	16-18
	N	3.5-5.5	4-6	8-10.5	10-14
	Mo				2.0-3.0
Mechanical Property	Material Item		201	202	304	316
	Tensile Strength		≥535	≥520	≥520	≥520
	Yield Strength		≥245	≥205	≥205	≥205
	Extension		≥30%	≥30%	≥35%	≥35%
	Hardness (HV)		<253	<253	<200	<200

Payment	Payment by T/T, 30% as advance payment and 70% balance pay before shipping.
Delivery time	A.7 days if this goods is stock goods. B.30 days if this goods will be produced after order
Validity	Valid time is 3 days for price usually.

Payment

Payment by T/T, 30% as advance payment and 70% balance pay before shipping.

Delivery time

A.7 days if this goods is stock goods.

B.30 days if this goods will be produced after order

Validity

Valid time is 3 days for price usually.

stainless steel pipe/tube ,304pipe,stainless steel weld pipe/tube, stainless steel welded pipe/tube ,201pipe,stainless steel profile

Q: Can stainless steel pipes be insulated with Teflon?: Yes, stainless steel pipes can be insulated with Teflon. Teflon, also known as polytetrafluoroethylene (PTFE), is a versatile material that is commonly used for its nonstick properties and resistance to heat and chemicals. It is an excellent choice for insulating stainless steel pipes as it can provide thermal insulation, protect against corrosion, and prevent heat loss or gain. Teflon insulation can also reduce condensation or moisture buildup on the pipe surface. Additionally, Teflon's low friction coefficient allows for smooth flow of fluids through the pipes, making it suitable for a variety of applications in industries such as food processing, pharmaceuticals, and chemicals.

Q: Are stainless steel pipes resistant to corrosion?: Stainless steel pipes possess a remarkable resistance against corrosion, owing to the inclusion of chromium in their composition. This results in the formation of a passive layer on the pipe's surface, acting as a shield against corrosive elements. By doing so, it effectively prevents the metal beneath from encountering any detrimental substances. Comparatively, stainless steel contains a chromium content of at least 10.5%, surpassing other steel types, thus augmenting its ability to ward off corrosion. Given this exceptional quality, stainless steel pipes find extensive usage in industries such as construction, oil and gas, and automotive. Such application is vital to ensure the pipes' durability and integrity over time.

Q: Can stainless steel pipes be used for both high and low-pressure applications?: Yes, stainless steel pipes can be used for both high and low-pressure applications. Stainless steel is known for its strength, durability, and resistance to corrosion, which makes it suitable for various pressure conditions. It can withstand high pressures without deformation or rupture, making it ideal for high-pressure applications such as oil and gas pipelines, chemical processing plants, and hydraulic systems. Additionally, it can also be used in low-pressure applications such as plumbing systems and water supply lines. The versatility of stainless steel pipes allows them to be used in a wide range of pressure conditions, making them a popular choice in many industries.

Q: What is the difference between seamless and HFW stainless steel pipes?: Seamless and HFW (High Frequency Welded) stainless steel pipes differ in their manufacturing process and the presence of a welded seam. Seamless stainless steel pipes are produced by piercing a solid billet or ingot and then rolling it into a cylindrical shape. This process eliminates the need for any welding, resulting in a pipe without any seams or joints. The absence of a welded seam enhances the overall strength and integrity of the pipe, making it ideal for high-pressure applications. On the other hand, HFW stainless steel pipes are created by using high-frequency electric resistance welding. In this process, a flat strip of stainless steel is passed through a series of rollers and then welded longitudinally using a high-frequency current. The welded seam is then heat-treated to ensure the same corrosion resistance as the base material. HFW pipes are generally more cost-effective compared to seamless pipes, making them a popular choice for various applications. While both seamless and HFW stainless steel pipes offer excellent corrosion resistance and durability, seamless pipes are often preferred in critical applications where high strength and reliability are crucial. The absence of a welded seam minimizes the risk of leakage and failure, making them suitable for industries such as oil and gas, petrochemical, and nuclear power. HFW stainless steel pipes, on the other hand, are more commonly used in less demanding applications such as water supply, plumbing, and construction. They provide a cost-effective solution without compromising the overall performance and corrosion resistance. In summary, the main difference between seamless and HFW stainless steel pipes lies in their manufacturing process and the presence of a welded seam. Seamless pipes are produced without any welding, offering superior strength and reliability for critical applications. HFW pipes, on the other hand, are manufactured through high-frequency electric resistance welding and are more cost-effective, making them suitable for less demanding applications.

Q: What is the difference between 904L and 2205 stainless steel pipes?: 904L and 2205 are both types of stainless steel pipes, but they have some key differences. Firstly, the composition of the two steels is different. 904L stainless steel is a high alloy austenitic stainless steel that contains high levels of chromium, nickel, and molybdenum. It also has low carbon content, making it highly resistant to corrosion and pitting. On the other hand, 2205 stainless steel is a duplex stainless steel that consists of a mixture of austenite and ferrite phases. It contains lower levels of chromium and nickel compared to 904L, but has higher levels of molybdenum and nitrogen. Secondly, the mechanical properties of the two steels differ. 904L stainless steel has excellent toughness and high strength, making it suitable for applications in aggressive environments such as chemical processing plants and offshore oil and gas platforms. In contrast, 2205 stainless steel has good overall mechanical properties, with high tensile and yield strength. It is commonly used in industries such as marine, paper, and pulp, where resistance to stress corrosion cracking is important. Another difference lies in their resistance to corrosion. While both steels are corrosion-resistant, 904L stainless steel has exceptional resistance to a wide range of corrosive environments, including sulfuric acid, hydrochloric acid, and saltwater. This makes it ideal for use in industries where extreme corrosion resistance is required. 2205 stainless steel, although not as corrosion-resistant as 904L, still offers good resistance to many corrosive substances, making it suitable for various applications. Cost is another factor that sets these steels apart. Due to its high alloy content and superior properties, 904L stainless steel is generally more expensive than 2205 stainless steel. Therefore, the choice between the two will depend on the specific requirements of the application and the budget. In summary, the main differences between 904L and 2205 stainless steel pipes lie in their composition, mechanical properties, corrosion resistance, and cost. Understanding these distinctions will help in selecting the appropriate stainless steel pipe for a given application.

Q: What is the difference between seamless and high-frequency welded stainless steel pipes?: The main difference between seamless and high-frequency welded stainless steel pipes lies in their manufacturing process. Seamless pipes are made by piercing a solid cylindrical billet of stainless steel and then rolling it into a pipe shape. This process ensures a smooth and continuous surface, resulting in a pipe with no welded seams. On the other hand, high-frequency welded pipes are created by using a high-frequency electrical current to melt the edges of stainless steel strips and then welding them together. The welded seams in high-frequency welded pipes may be visible and can affect the overall smoothness of the pipe's surface.

Q: Can stainless steel pipes be chrome plated?: Indeed, it is possible to chrome plate stainless steel pipes. The process entails electroplating a thin chromium layer onto the surface of the pipe. This procedure not only grants the pipe a glossy and mirror-like look, but also offers extra safeguard against corrosion. Nevertheless, it is crucial to bear in mind that the stainless steel pipe necessitates appropriate preparation and cleansing prior to conducting the chrome plating process. Furthermore, it is advisable to have the chrome plating procedure executed by a proficient professional or a specialized company experienced in this field.

Q: How do you clean stainless steel pipes?: To clean stainless steel pipes, there are a few methods you can use depending on the level of dirt or grime. Firstly, you can start by using warm water and a mild detergent. Mix the detergent with water and use a soft cloth or sponge to wipe down the surface of the pipes. Make sure to go in the direction of the grain to avoid scratching the steel. Rinse the pipes thoroughly with clean water and dry them with a clean, lint-free cloth. If the pipes have tougher stains or buildup, you can try using a vinegar solution. Mix equal parts of vinegar and water and apply the solution to the pipes. Allow it to sit for a few minutes to dissolve the stains, then scrub gently with a soft brush or cloth. Rinse the pipes well with clean water and dry them thoroughly. For more stubborn stains or discoloration, you can use a specialized stainless steel cleaner or polish. Follow the instructions on the product, usually applying it to the pipes and rubbing it in with a soft cloth. Again, make sure to go in the direction of the grain. Rinse the pipes thoroughly with clean water and dry them completely. It is important to note that abrasive cleaners or scrubbing pads should be avoided as they can scratch the stainless steel surface. Additionally, always test any cleaning solution or product on a small, inconspicuous area of the pipes before applying it to the entire surface to ensure it does not cause any damage or discoloration.

Q: Are stainless steel pipes suitable for oil refinery applications?: Stainless steel pipes are indeed suitable for oil refinery applications as they possess outstanding resistance to corrosion. This exceptional property renders them an excellent choice for the transportation and processing of oil and various petroleum products. The corrosion-resistant nature of stainless steel prevents any deterioration of the pipes resulting from exposure to the corrosive substances and chemicals commonly encountered in oil refineries. Moreover, these pipes can withstand high temperatures and pressure, which ensures the safety and efficiency of oil refinery operations. In addition to these advantages, stainless steel is renowned for its durability and longevity, thereby minimizing the need for frequent maintenance and replacement. In conclusion, the utilization of stainless steel pipes in oil refinery applications provides a dependable and cost-effective solution.

Q: Can magnets attract stainless steel tubes?: Stainless steel is becoming more and more popular because of its beautiful appearance, corrosion resistance and not easy to damage. More and more pots, city sculpture, architecture, decoration room etc. the use of stainless steel, stainless steel on discrimination but people do not know, some customers buy stainless steel kitchenware, stainless steel utensils with magnets in to try to try. It is stainless steel that attracts the magnet, but stainless steel can not be sucked. It seems that there is a misunderstanding about stainless steel.

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