All kinds of stainless steel tube you can choose

All kinds of stainless steel tube you can choose

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 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 is the role of steel pipes in the mining and extraction of minerals?: Steel pipes play a crucial role in the mining and extraction of minerals. They are widely used in various mining operations to transport water, slurry, and other fluids, as well as to provide structural support and ventilation in underground mines. One of the primary uses of steel pipes in mining is for transporting water or slurry. Water is essential in the mining process for various purposes, such as dust suppression, ore processing, and site rehabilitation. Steel pipes are used to create a network of pipelines that transport water from a source, such as a dam or reservoir, to different areas within the mine site. Similarly, slurry, a mixture of water and crushed minerals, is often transported through steel pipes to processing plants or tailings dams. Steel pipes also play a critical role in providing structural support in underground mines. Underground mining operations require tunnels and shafts to access valuable mineral deposits. These tunnels and shafts need to be reinforced to withstand the immense pressure exerted by the surrounding rock and prevent collapses. Steel pipes are used as support structures, such as roof bolts and rock bolts, to reinforce the walls and roofs of these underground excavations, ensuring the safety of miners and the stability of the mine structure. Additionally, steel pipes are used for ventilation systems in underground mines. Proper ventilation is vital in mining to ensure a constant supply of fresh air, remove harmful gases, and control temperature and humidity levels. Steel pipes are used to create ventilation shafts and ducts that facilitate the flow of air throughout the mine. This helps maintain a safe and healthy working environment for miners by preventing the buildup of toxic gases, dust, and heat. In summary, steel pipes are indispensable in the mining and extraction of minerals. They are used for transporting water, slurry, and other fluids, providing structural support in underground mines, and facilitating ventilation systems. Without steel pipes, the efficient and safe extraction of minerals from mines would be significantly hindered.

Q: What is the difference between black and galvanized steel pipes?: The main difference between black and galvanized steel pipes lies in their coating. Black steel pipes are untreated and have a dark, uncoated appearance, while galvanized steel pipes are coated with a layer of zinc to prevent corrosion. This zinc coating on galvanized pipes helps protect against rust and extends their lifespan, making them suitable for outdoor and exposed applications. Black steel pipes, on the other hand, are typically used for indoor applications and are often painted or coated after installation to prevent rusting.

Q: What is the difference between steel pipe and ductile iron pipe?: The main difference between steel pipe and ductile iron pipe lies in their composition and properties. Steel pipe is made from a combination of iron and carbon, while ductile iron pipe is made from iron with added graphite and other elements to enhance its strength and ductility. Ductile iron pipe is typically stronger and more flexible than steel pipe, making it better suited for applications where durability and resistance to external forces are important. Additionally, ductile iron pipe is less susceptible to corrosion compared to steel pipe, making it a preferred choice in environments with high moisture or corrosive elements.

Q: How are steel pipes used in the manufacturing of structural frameworks?: Steel pipes are commonly used in the manufacturing of structural frameworks due to their strength, durability, and versatility. They provide a reliable means of connecting and supporting various components, allowing for the creation of robust and stable structures. Steel pipes are often used as columns, beams, and braces, providing essential support and stability to buildings, bridges, and other infrastructure projects. Additionally, steel pipes can be easily customized and fabricated to meet specific design requirements, making them a popular choice in the construction industry.

Q: What is the purpose of galvanizing steel pipes?: The purpose of galvanizing steel pipes is to protect them from corrosion and increase their lifespan.

Q: What are the different types of steel pipe fittings for chemical processing plants?: There are various types of steel pipe fittings used in chemical processing plants, including but not limited to, elbows, tees, reducers, flanges, and couplings. These fittings are designed to connect and control the flow of fluids within the piping system, ensuring safe and efficient operation in industrial settings.

Q: What are the different types of steel pipe supports for offshore platforms?: There are several types of steel pipe supports commonly used for offshore platforms, including but not limited to: 1. Clamps: These are used to secure and fasten pipes to the support structure, providing stability and preventing movement. 2. Hangers: These are used to suspend pipes from the support structure, allowing for flexibility and reducing stress on the pipes. 3. Guides: These are installed to control the movement and alignment of pipes, ensuring they stay in place and prevent damage during operation. 4. Shoes: These are used to support and distribute the weight of the pipe, typically at points where the pipe intersects with the support structure. 5. Saddles: These are designed to cradle the pipe and provide support, typically used for horizontal or inclined pipes. Each type of steel pipe support serves a specific purpose in ensuring the integrity and functionality of the offshore platform's piping system.

Q: Are steel pipes suitable for high-pressure applications?: Indeed, steel pipes prove to be an appropriate choice when it comes to high-pressure applications. Renowned for their robustness and endurance, steel pipes are exceptionally well-suited for managing high-pressure scenarios. They possess the remarkable ability to endure the intense internal pressure exerted by fluids or gases without buckling or rupturing. Thanks to their high tensile strength, steel pipes effectively combat the forces that arise in high-pressure environments, thereby ensuring the security and dependability of the piping system. Furthermore, steel pipes can be manufactured with thicker walls, further bolstering their capacity to withstand elevated pressures. Consequently, steel pipes find extensive utilization in various industries, such as oil and gas, petrochemical, power generation, and water distribution, where high-pressure applications are customary.

Q: How are steel pipes protected against soil movement or settlement?: Steel pipes can be protected against soil movement or settlement through various methods. One common method is to use protective coatings on the pipes. These coatings act as a barrier between the steel and the soil, preventing direct contact and reducing the risk of corrosion. Some commonly used coatings include epoxy, polyethylene, and zinc. Another method is to use cathodic protection. This involves the installation of sacrificial anodes along the pipeline. These anodes corrode instead of the steel pipes, protecting them from damage caused by soil movement or settlement. Furthermore, proper design and installation techniques can also help protect steel pipes against soil movement or settlement. For instance, engineers may consider factors such as soil composition, slope stability, and potential for ground movement when designing the pipeline route. Additionally, proper trenching and bedding techniques can help ensure that the pipe is adequately supported and protected against settlement. Regular inspection and maintenance are also crucial for protecting steel pipes against soil movement or settlement. Monitoring the condition of the pipeline, including the protective coatings and cathodic protection systems, can help identify any potential issues and allow for timely repairs or replacements. Overall, a combination of protective coatings, cathodic protection, proper design and installation techniques, and regular maintenance can effectively protect steel pipes against soil movement or settlement.

Q: What are the different pipe fittings used with steel pipes?: Some of the different pipe fittings used with steel pipes include elbows, tees, couplings, unions, reducers, flanges, and caps.

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