Various types of stainless steel pipe waiting for you

Various types of stainless steel pipe 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: What are the disadvantages of using stainless steel pipes?: While stainless steel pipes offer numerous advantages, there are a few disadvantages to consider: 1. Cost: Stainless steel pipes tend to be more expensive than other pipe materials such as PVC or carbon steel. This higher cost can impact the overall budget for a project. 2. Corrosion Resistance Limitations: While stainless steel is known for its corrosion resistance, it is not completely immune to corrosion. In certain environments, such as highly acidic or alkaline conditions, stainless steel pipes can still corrode over time. 3. Brittle: Stainless steel pipes can be more brittle than other materials, which makes them more susceptible to cracking or breaking under extreme temperatures or stress. This can be a concern in applications where the pipes are subjected to significant pressure or thermal fluctuations. 4. Difficult to Modify: Compared to other pipe materials, stainless steel pipes are harder to modify or alter once they are installed. This can be problematic if any changes or adjustments need to be made in the future, as it may require more time and effort. 5. Heat Conductivity: Stainless steel has lower heat conductivity compared to materials like copper. This means that stainless steel pipes may not transfer heat as efficiently, which can be a disadvantage in some applications where heat transfer is important. Overall, while stainless steel pipes have numerous benefits, it is important to consider these disadvantages when selecting the appropriate material for a specific project.

Q: What is the internal lining used for stainless steel pipes?: The internal lining used for stainless steel pipes can vary depending on the specific application and intended use of the pipes. Some common options for internal linings in stainless steel pipes include epoxy coatings, ceramic linings, and plastic or polymer linings. These linings are used to provide corrosion resistance, enhance the smoothness of the pipe's interior surface, and protect the stainless steel from chemical reactions or wear.

Q: What is the difference between 316 and 316LN stainless steel pipes?: 316 and 316LN stainless steel pipes are variations of the same stainless steel grade known as 316, but there are some distinctions between them. The primary disparity between 316 and 316LN stainless steel pipes resides in their nitrogen levels. 316LN stainless steel contains a higher nitrogen content than 316 stainless steel. The inclusion of nitrogen enhances the material's strength and corrosion resistance, making it more suitable for specific applications. Due to its elevated nitrogen content, 316LN stainless steel pipes display superior resistance to pitting and crevice corrosion, especially in chloride environments. This renders them particularly appropriate for utilization in marine settings or other scenarios where the pipes may encounter corrosive substances. Another contrast between the two grades lies in their availability and cost. 316 stainless steel pipes are more widely accessible and commonly employed, making them generally more cost-effective than 316LN stainless steel pipes. However, 316LN stainless steel pipes may be necessary for particular applications where enhanced corrosion resistance is required. In conclusion, the main difference between 316 and 316LN stainless steel pipes is their nitrogen content, which impacts their corrosion resistance properties. While 316 stainless steel is more readily available and cost-effective, 316LN stainless steel offers improved resistance to pitting and crevice corrosion, making it suitable for specific applications.

Q: Can stainless steel pipes be used for refrigeration systems?: Yes, stainless steel pipes can be used for refrigeration systems. Stainless steel is a highly durable material that provides excellent resistance to corrosion, making it ideal for use in refrigeration systems where moisture and low temperatures are present. Stainless steel pipes also have high thermal conductivity, allowing for efficient and effective heat transfer within the system. Additionally, stainless steel pipes are easy to clean, maintain, and can withstand high pressure, making them suitable for use in refrigeration systems that require reliable and long-lasting performance.

Q: What are the different types of stainless steel pipe gaskets?: There are several different types of stainless steel pipe gaskets available, each designed to meet specific needs and requirements. Some of the most common types include: 1. Ring Type Joint (RTJ) Gaskets: These gaskets are used in high-pressure applications and are designed to withstand extreme temperatures and pressures. They feature a metallic ring with a soft sealing layer, which ensures a tight and reliable seal. 2. Spiral Wound Gaskets: This type of gasket is made by winding a metal strip and a filler material in a spiral shape. The metal strip provides strength and stability, while the filler material ensures a proper seal. Spiral wound gaskets are suitable for a wide range of applications, including high temperature and pressure environments. 3. Metal Jacketed Gaskets: These gaskets consist of a soft filler material enclosed in a metal jacket. The metal jacket provides additional strength and protection, making them suitable for high-pressure applications. Metal jacketed gaskets are commonly used in flange connections. 4. Camprofile Gaskets: Camprofile gaskets are composed of a metal core with concentric grooves on both sides. These grooves are filled with a soft sealing material, which provides an effective seal. They are commonly used in applications where high temperature and pressure resistance is required. 5. Double Jacketed Gaskets: Double jacketed gaskets consist of two metal jackets with a soft filler material in between. This design provides enhanced sealing performance and is often used in applications involving high temperatures and pressures, as well as corrosive environments. 6. Elastomeric Gaskets: These gaskets are made from a variety of elastomeric materials such as rubber or silicone. They are commonly used in low-pressure applications and provide excellent sealing properties. Elastomeric gaskets are cost-effective and easy to install. It is important to select the appropriate type of stainless steel pipe gasket based on the specific application requirements, including temperature, pressure, and the nature of the fluid being transported. Consulting with a knowledgeable supplier or engineer can help ensure the correct gasket is chosen for the intended use.

Q: Stainless steel pipe chamfering how to process?: The use of fast machine chamfering is the trend of mechanical industry. The utility model overcomes the defects of the processing of the existing machinery and the electric tool, and has the advantages of convenience, quick and accuracy, and is the best choice for chamfering the metal object at present. According to the chamfer, it needs to be divided into straight line, chamfer and curve chamfer.

Q: Are stainless steel pipes suitable for pharmaceutical clean rooms?: Yes, stainless steel pipes are suitable for pharmaceutical clean rooms. Stainless steel is a commonly used material in pharmaceutical clean rooms due to its high resistance to corrosion, durability, and easy cleanability. Stainless steel pipes are non-porous and smooth, which minimizes the risk of bacterial growth and contamination. They also have excellent chemical resistance, making them suitable for transporting a variety of pharmaceutical substances. Furthermore, stainless steel pipes can withstand high temperatures and pressures, ensuring their reliability in pharmaceutical manufacturing processes. Overall, stainless steel pipes are an ideal choice for pharmaceutical clean rooms as they meet the stringent cleanliness and hygiene requirements of the industry while providing long-lasting performance.

Q: 304 stainless steel has several advantages, a few big advantages, the more concrete the better: 304 stainless steel has excellent stainless steel corrosion resistance and better intergranular corrosion resistance. The oxidizing acid, in the experiments: the concentration of more than 65% of boiling temperature following nitrate, 304 stainless steel has high corrosion resistance. Alkaline solution and most organic acids and inorganic acids also have good corrosion resistance.

Q: How are stainless steel pipes different from carbon steel pipes?: Stainless steel pipes and carbon steel pipes differ in several aspects, primarily in their composition, corrosion resistance, and cost. Firstly, the composition of stainless steel pipes includes a significant amount of chromium, which gives them their characteristic resistance to corrosion. On the other hand, carbon steel pipes are primarily made of iron and carbon, without any significant alloying elements. This difference in composition makes stainless steel pipes more resistant to corrosion, oxidation, and rust formation when exposed to various environmental conditions or fluids. Secondly, stainless steel pipes have excellent strength and durability due to their alloying elements, such as nickel and molybdenum, which enhance their mechanical properties. Carbon steel pipes, although strong, do not possess the same level of strength and durability as stainless steel pipes. Moreover, stainless steel pipes are highly heat resistant, making them suitable for applications involving high temperatures or extreme heat conditions. Carbon steel pipes, while having good heat resistance, may not be as effective as stainless steel in such applications. Lastly, the cost factor plays a significant role in the difference between stainless steel pipes and carbon steel pipes. Stainless steel pipes are generally more expensive than carbon steel pipes due to the higher production costs associated with their alloying elements and corrosion-resistant properties. In summary, stainless steel pipes differ from carbon steel pipes in terms of their composition, corrosion resistance, strength, heat resistance, and cost. Stainless steel pipes offer superior corrosion resistance, higher strength, and better heat resistance, making them ideal for applications in corrosive environments or high-temperature conditions. However, they come at a higher cost compared to carbon steel pipes, which are still widely used in various industries for their affordability and moderate mechanical properties.