Stainless Steel Pipes and Fittings Port Elizabeth:Various Types Waiting for You

Stainless Steel Pipes and Fittings Port Elizabeth:Various Types Waiting for You

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 8000 m.t./month

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Product Description:

1、Structure of Stainless Steel Welded Pipe ASTM A358/A312/A778 Description：

Stainless steel welded pipe is actually a cover term, covering a wide range of alloy and making them suitable for different attributes that are used in a very wide and large numbers of different industries. Stainless steel pipe is resistant to erosion, highly flexible, powerful, easy to use, and can be done in distinct approaches, which means that more and more stainless steel was used as a construction material for large-scale, high impact buildings. It can be molded, rolling, and it can create amazing shapes to make it perfect, It is used as experimental buildings, The use of steel pipe welding of large stainless steel covers other examples.

2、Main Features of the Stainless Steel Welded Pipe ASTM A358/A312/A778：

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

•Reasonable price

3、Stainless Steel Welded Pipe ASTM A358/A312/A778 Images：

Stainless Steel Welded Pipe ASTM A358/A312/A778

4、Stainless Steel Welded Pipe ASTM A358/A312/A778 Specification：

Size：

Outside diameter		Outside	Thickness
Outside diameter		Outside	SCH 5S	SCH 10S	SCH 20S	SCH 40S
(A)	(B)	mm	mm	mm	mm	mm
350	14′	355.6	3.96	4.78	7.92	11.13
400	16′	406.4	4.19	4.78	7.92	12.7
450	18′	457.2	4.19	4.78	7.92	14.27
500	20′	508.0	4.78	5.54	9.53	15.09
550	22′	558.8	4.78	5.54	9.53	15.09
600	24′	609.6	5.54	6.35	9.53	17.48
650	26′	660.4	5.54	7.92	12.7	17.48
700	28′	711.2	5.54	7.92	12.7	17.48
750	30′	762.0	6.35	7.92	12.7	17.48
800	32′	812.8		7.90	12.7	17.48
850	34	863.6		7.92	12.7	17.48
900	36′	914.4		7.92	12.7	19.05
1000	40′	1016.0		9.53

Tolerances on dimensions table：

Standard	Outside(mm)		Thickness(mm)	Length(mm)
ASTM A312	≤48.26	+0.40 -0.80	+No special provisions(Unspecified)-12.50%	Appoint LengthDefinite cut length+6.40 -0
	＞48.26~114.30	+0.80 -0.80
	＞114.30~219.08	+1.60 -0.80
	＞219.08~457.20	+2.40 -0.80
	＞457~660	+3.20/-0.80
	＞660~864	+4.00/-0.80
	＞864~1219	+4.48/-0.80
JIS G3459	＜30.00 ±0.30≥30.00 ±1.00%		＜2.00 ±0.20≥2.00 ±10%	Appoint LengthDefinite cut Length
GB/T 12771	＜13.00 ±0.2013.00~40.00 ±0.30≥40.00 ±0.80%		≤4.00 +0.50 -0.60＞4.00 ±10%	+20.00-0
EN 10217-7	D1±1.50% with±0.75mm(min)D2±1.00% with±0.50mm(min)D3±0.75% with±0.30mm(min) D4±0.5% with±0.10mm(min)		T1±15.00% with±0.60mm(min)T2±12.5% with±0.40mm(min)T3±10.00% with±0.20mm(min) T4±7.50% with±0.15mm(min) T5±5.00% with±0.10mm(min) EN ISO 1127	≤6000 +5.00 -06000~12000 +10.00 -0

5、FAQ of Stainless Steel Welded Pipe ASTM A358/A312/A778：

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:Are stainless steel pipes suitable for compressed air systems?: Yes, stainless steel pipes are suitable for compressed air systems. Stainless steel has excellent corrosion resistance, high strength, and can withstand high-pressure conditions, making it a reliable choice for transporting compressed air. Additionally, stainless steel pipes are durable and have a long lifespan, minimizing the need for frequent replacements.

Q:What are the advantages of using stainless steel pipes in the oil and gas industry?: There are several advantages of using stainless steel pipes in the oil and gas industry. Firstly, stainless steel pipes have excellent corrosion resistance, which makes them highly durable and reliable in harsh environments. This resistance to corrosion helps in preventing leaks and ensures the longevity of the pipes, reducing maintenance and replacement costs. Additionally, stainless steel pipes can withstand high temperatures and pressures, making them suitable for transporting oil and gas without the risk of failure. They also have excellent mechanical properties and are able to withstand impacts and vibrations, ensuring the integrity of the pipelines. Furthermore, stainless steel pipes have good hygiene properties, as they are resistant to bacteria and can be easily cleaned, which is crucial in industries where contamination is a concern. Overall, the use of stainless steel pipes in the oil and gas industry offers increased safety, cost-effectiveness, and reliability.

Q:What is the cost difference between stainless steel pipes and other materials?: The cost difference between stainless steel pipes and other materials can vary depending on factors such as the type of material, size, and quality. Generally, stainless steel pipes tend to be more expensive than materials like PVC or galvanized steel. However, stainless steel pipes offer superior durability, corrosion resistance, and longevity, making them a worthwhile investment in many applications.

Q:Can stainless steel pipes be used for cryogenic applications?: Cryogenic applications can indeed utilize stainless steel pipes. Stainless steel is widely recognized for its exceptional properties at low temperatures, including admirable strength, flexibility, and resistance against corrosion. These qualities render stainless steel pipes suitable for the transportation and storage of cryogenic fluids, like liquid nitrogen, oxygen, or argon. The high strength-to-weight ratio of stainless steel permits the construction of lightweight and durable cryogenic systems. Furthermore, stainless steel pipes can endure the extreme temperature gradients and thermal stresses commonly encountered in cryogenic applications. Nevertheless, it is crucial to select the appropriate grade of stainless steel specifically engineered for cryogenic service to ensure optimal performance and safety.

Q:Stainless steel seamless steel tube, ordinary seamless steel pipe, which is good?: There are many kinds of seamless steel tubes. If you require high strength, the strength of the ordinary seamless tube is higher than that of the stainless steel

Q:310 stainless steel resistance to high temperature?: Application example: good oxidation resistance

Q:What is the difference between 304J5 and 316J5 stainless steel pipes?: The difference between 304J5 and 316J5 stainless steel pipes lies primarily in their chemical composition and corrosion resistance properties. 304J5 stainless steel is a type of austenitic stainless steel that contains 18-20% chromium and 8-10% nickel. It also has a small amount of manganese and carbon. This composition provides excellent strength, durability, and resistance to corrosion, making it suitable for various applications like plumbing, food processing, and chemical industries. However, 304J5 is not as resistant to corrosion in chloride environments as 316J5 stainless steel. On the other hand, 316J5 stainless steel is a higher grade of stainless steel that contains 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. The addition of molybdenum significantly enhances its resistance to corrosion, especially in chloride-rich environments like marine or coastal areas. This makes 316J5 stainless steel pipes more suitable for applications where exposure to saltwater or corrosive chemicals is common, such as in marine equipment, chemical processing plants, and coastal structures. In summary, while both 304J5 and 316J5 stainless steel pipes offer good corrosion resistance, the presence of molybdenum in 316J5 provides it with superior resistance to corrosion, particularly in chloride-rich environments. Therefore, the choice between the two depends on the specific application requirements and the level of corrosion resistance needed.

Q:Can stainless steel pipes be heat treated?: Yes, stainless steel pipes can be heat treated. Heat treatment processes such as annealing, solution annealing, and stress relieving can be applied to stainless steel pipes to improve their mechanical properties, such as strength, hardness, and corrosion resistance.

Q:What are the different types of stainless steel pipe finishes?: Stainless steel pipes come in various finishes, each offering a distinct look and level of protection against corrosion. 1. The mill finish is the standard and least flashy option for stainless steel pipes fresh from the mill. Its surface is dull and lacks reflectivity, making it suitable for applications where appearance is not a priority. 2. The brushed finish, also known as satin finish, involves brushing the surface of the stainless steel pipe with a fine abrasive material. This creates a consistent linear grain pattern, giving the pipe a smooth and sophisticated appearance. 3. The mirror finish is achieved by polishing the stainless steel pipe to a highly reflective surface. It is often used in decorative applications, such as handrails and architectural elements, where a shiny and visually pleasing look is desired. 4. The polished finish is similar to the mirror finish, but it does not achieve the same level of reflection. It involves buffing the surface of the stainless steel pipe to a high shine. This makes it more suitable for industrial or commercial applications. 5. The satin finish, a type of brushed finish, has a low sheen and smooth texture. It provides a subtle and elegant appearance, commonly used in applications where a matte finish is preferred, like kitchen appliances or automotive parts. 6. The bead blasted finish is accomplished by subjecting the surface of the stainless steel pipe to high-pressure bombardment with small glass beads. This creates a uniform and non-directional texture, giving the pipe a frosted and matte look. The bead blasted finish is often used in architectural and decorative applications. These different stainless steel pipe finishes offer their own advantages and are selected based on specific requirements, such as aesthetics, corrosion resistance, and ease of maintenance.

Q:What is the difference between 304F and 316F stainless steel pipes?: The composition and characteristics of 304F and 316F stainless steel pipes are what set them apart. 304F stainless steel is categorized as an austenitic stainless steel, meaning it contains high levels of chromium and nickel. It is renowned for its exceptional corrosion resistance, weldability, and formability. Consequently, it is widely used in various industries, including food processing, chemical processing, and construction. However, 304F stainless steel is not as resistant to chloride corrosion as 316F stainless steel. On the flip side, 316F stainless steel is also classified as an austenitic stainless steel, but it has elevated levels of chromium, nickel, and molybdenum compared to 304F stainless steel. The addition of molybdenum enhances its corrosion resistance, particularly against chlorides and other aggressive chemicals. As a result, 316F stainless steel pipes are suitable for more demanding applications, such as marine environments, where exposure to saltwater and corrosive chemicals is prevalent. To sum up, the key difference between 304F and 316F stainless steel pipes lies in their corrosion resistance. While both are classified as austenitic stainless steels, 316F stainless steel offers superior resistance to chloride corrosion, making it the superior choice for applications where corrosion resistance is of utmost importance.

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