Stainless Steel Welded Pipe ASTM A358/A316

Stainless Steel Welded Pipe ASTM A358/A316 System 1

Stainless Steel Welded Pipe ASTM A358/A316

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 60 m.t.

Supply Capability:: 9000 m.t./month

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1、Structure of /Stainless Steel Welded Pipe ASTM A358/A312Description：

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.

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

• High manufacturing accuracy

• High strength

• Small inertia resistance

3、Stainless Steel Welded Pipe ASTM A358/A312Images：

Stainless Steel Welded Pipe ASTM A358/A316

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	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	6.35	7.92	12.7	17.48
800	32′	812.8		7.9	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		9.53

Tolerances on dimensions table：

Standard	Outside(mm)		Thickness(mm)	Length(mm)
ASTM A312	≤48.26	-0.4	+No special provisions(Unspecified)-12.50%	Appoint LengthDefinite cut length+6.40
	＞48.26~114.30	0		0
	＞114.30~219.08	0.8
	＞219.08~457.20	1.6
	＞457~660	-4
	＞660~864	-5
	＞864~1219	-5.6
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
EN 10217-7	D1±1.50% with±0.75mm(min)D2±1.00% with±0.50mm(min)D3±0.75% with±0.30mm(min)		T1±15.00% with±0.60mm(min)T2±12.5% with±0.40mm(min)T3±10.00% with±0.20mm(min)	≤6000 +5.00 -06000~12000 +10.00 -0
	D4±0.5% with±0.10mm(min)		T4±7.50% with±0.15mm(min)
			T5±5.00% with±0.10mm(min)
			EN ISO 1127

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.

②Why 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 much is the tube?: The theoretical weight calculation formula of ordinary carbon steel tube is:The weight of each meter is kg/m= (outer diameter mm-, wall thickness mm) * wall thickness mm*0.02466For example: inventory 20# pipe diameter of 108*4.5 weight per meter:Kg/m= (108-4.5) *4.5*0.02466=11.485In accordance with the diameter of 108*4.5 steel pipe market price is 4500 yuan / ton as an example, we can know the diameter of 108*4.5 steel pipe per meter price: 11.485*4.5=51.68 yuan.

Q: How are steel pipes used in sewage treatment plants?: Steel pipes are used in sewage treatment plants to transport and distribute wastewater throughout the facility. They are crucial in carrying raw sewage from the intake point to various treatment processes such as sedimentation tanks, filtration units, and aerobic/anaerobic digesters. Additionally, steel pipes may be utilized for pumping treated or partially treated wastewater to outfall locations or for reuse purposes. The durability and corrosion resistance of steel make it an ideal choice for handling the harsh and corrosive nature of sewage, ensuring long-lasting and efficient operation of the treatment plant.

Q: Can steel pipes be used for pharmaceutical manufacturing plants?: Yes, steel pipes can be used for pharmaceutical manufacturing plants. Steel pipes are commonly used in pharmaceutical manufacturing plants due to their durability, resistance to corrosion, and ability to withstand high pressure and temperature conditions. Additionally, steel pipes can be easily cleaned and sanitized to meet strict hygiene standards required in pharmaceutical production.

Q: Can steel pipes be used for conveying slurry?: Indeed, steel pipes possess the capability to serve as a conveyance for slurry. In numerous industries, steel pipes find extensive usage in the transportation of diverse fluid varieties, including slurry. Slurry, a liquid containing suspended solid particles, is effectively accommodated by steel pipes due to their robustness, endurance, and corrosion resistance. The adeptness of steel pipes in managing such mixtures is further enhanced by their ability to handle high pressures and temperatures, rendering them suitable for conveying slurry in arduous applications like mining, dredging, and wastewater treatment. Moreover, the ease of welding steel pipes enables the construction of lengthy pipelines that efficiently facilitate the transport of slurry across considerable distances. Nonetheless, it is vital to consider the specific attributes of the slurry being conveyed, such as particle size, density, and abrasiveness, to ensure the selection and design of pipes that guarantee optimal performance and longevity.

Q: How are steel pipes used in the electronics industry?: Steel pipes are commonly used in the electronics industry for various purposes such as cable management, structural support, and conduit systems. They provide a strong and durable solution for organizing and protecting electrical wires and cables. Additionally, steel pipes are utilized in the construction of electronic equipment enclosures and racks, ensuring stability and efficient cooling.

Q: Can steel pipes be painted?: Yes, steel pipes can be painted. The process typically involves cleaning and preparing the surface, applying a primer, and then using a suitable paint or coating to achieve the desired finish.

Q: What are the common challenges faced during steel pipe installation?: During steel pipe installation, there are several common challenges that may arise. One challenge is ensuring proper alignment and fit between pipe sections. Steel pipes are typically joined together using welding or threading, and if the alignment is not precise, it can result in leaks or weak points in the pipeline. To overcome this challenge, careful measurements and alignment techniques must be used to ensure a secure and tight fit between pipe sections. Another challenge is dealing with corrosion and rust. Steel pipes are susceptible to corrosion, especially when exposed to moisture or corrosive substances. This can lead to degradation of the pipe over time, compromising its structural integrity and increasing the likelihood of leaks. To address this challenge, protective coatings or linings can be applied to the steel pipes to prevent corrosion and extend their lifespan. Additionally, the weight and size of steel pipes can pose a challenge during installation. Steel pipes are heavy, and maneuvering and positioning them can be physically demanding. Moreover, the large diameter of some steel pipes makes it difficult to transport and handle them in tight spaces or through narrow pathways. Overcoming this challenge often requires the use of heavy machinery, such as cranes or forklifts, to lift and position the pipes properly. Lastly, environmental factors can also present challenges during steel pipe installation. Extreme temperatures, harsh weather conditions, or unstable soil conditions can impact the installation process. For example, freezing temperatures can make it challenging to weld the pipes, while unstable soil may require additional reinforcement or stabilization measures to ensure the durability of the pipeline. In conclusion, the common challenges faced during steel pipe installation include ensuring proper alignment, dealing with corrosion and rust, handling the weight and size of the pipes, and addressing environmental factors. Overcoming these challenges requires careful planning, attention to detail, and the use of appropriate techniques and equipment.

Q: Where is a steel pipe casing usually used?: A straight tube of carbon steel sheathed on pipes and tubes and threading tubes to protect the joints from damage by electric welding. The purpose is to protect the wires and cables.

Q: What are the common applications of seamless steel pipes?: Seamless steel pipes have numerous common applications in various industries due to their unique properties. Here are some of the most common applications of seamless steel pipes: 1. Oil and gas industry: Seamless steel pipes are widely used in the oil and gas industry for the transportation of oil, gas, and other fluids. They are preferred due to their high strength, durability, and resistance to corrosion, making them suitable for harsh environments. 2. Construction and infrastructure: Seamless steel pipes are extensively used in construction projects, including the construction of buildings, bridges, and tunnels. They are ideal for structural applications due to their ability to withstand heavy loads and provide excellent strength and stability. 3. Automotive industry: Seamless steel pipes are a crucial component in the manufacturing of automotive parts, such as exhaust systems, engine components, and hydraulic systems. They offer high strength, reliability, and resistance to heat, making them suitable for demanding automotive applications. 4. Mechanical and engineering applications: Seamless steel pipes find usage in various mechanical and engineering applications, including machinery, equipment, and manufacturing processes. They are commonly used for carrying fluids, gases, and steam, as well as for the transmission of power in machinery. 5. Power generation: Seamless steel pipes are extensively used in power plants for the transportation of steam and hot water. They are capable of withstanding high pressure and temperature, making them ideal for power generation applications. 6. Petrochemical industry: Seamless steel pipes are crucial in the petrochemical industry for the transportation of various chemicals, gases, and liquids. They have excellent resistance to corrosion, which is essential when dealing with hazardous and corrosive substances. 7. Mining industry: Seamless steel pipes are used in the mining industry for various applications, including the transportation of slurry, water, and other mining-related fluids. They offer durability, reliability, and resistance to abrasion, making them suitable for the challenging mining environment. 8. Aerospace industry: Seamless steel pipes find applications in the aerospace industry for manufacturing aircraft components, such as hydraulic systems, fuel lines, and structural parts. They provide high strength-to-weight ratio and resistance to extreme temperatures and pressure. Overall, the common applications of seamless steel pipes span a wide range of industries, thanks to their exceptional properties, including strength, durability, resistance to corrosion and high temperatures, making them an essential component in various industrial processes and infrastructure development.

Q: What are the different methods of pipe joining using steel pipes?: There are multiple ways to connect steel pipes, each with its own pros and cons. 1. Threaded and coupled: This method includes threading the ends of the steel pipes and using couplings to connect them. It is a cost-effective option, but not suitable for high-pressure or gas applications. 2. Welding: Welding is a popular choice for joining steel pipes. It involves heating the pipe ends and fusing them together through welding. This method creates a strong and leak-proof joint, but it requires skilled labor and can be time-consuming. 3. Grooved: This method involves grooving the ends of the steel pipes and connecting them using mechanical couplings or fittings. It is a reliable and fast option suitable for both high and low-pressure applications, but it requires specialized tools and equipment. 4. Flanged: Flanged joints connect steel pipes using flanges, which are discs with bolt holes. The pipes are aligned and bolted together with gaskets to ensure a secure connection. This method is commonly used for large pipes and high-pressure applications, but it can be expensive and time-consuming to install. 5. Compression: Compression fittings are used to join steel pipes by compressing a ferrule or sleeve against the pipe. This method is quick, easy, and doesn't require special tools. However, it is not suitable for high-pressure or high-temperature applications. 6. Brazing: Brazing involves heating the pipe ends and melting a filler material between them to create a joint. It is a reliable method for HVAC and refrigeration systems, but it requires skilled labor and precise temperature control. When selecting the appropriate method for joining steel pipes, it is crucial to consider the specific requirements of the application, such as pressure, temperature, and material compatibility.

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