Stainless Steel Welded Pipe ASTM A312/A358

Stainless Steel Welded Pipe ASTM A312/A358 System 1

Stainless Steel Welded Pipe ASTM A312/A358 System 2

Stainless Steel Welded Pipe ASTM A312/A358

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 35 m.t.

Supply Capability:: 10000 m.t./month

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1、Structure of Stainless Steel Welded Pipe ASTM A358/A312/A316 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.

2、Main Features of the Stainless Steel Welded Pipe ASTM A358/A312/A316：

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

•Reasonable price

3、Stainless Steel Welded Pipe ASTM A358/A312/A316 Images：

Stainless Steel Welded Pipe ASTM A312/A358

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: Can steel pipes be used for the construction of high-rise buildings?: Yes, steel pipes can be used for the construction of high-rise buildings. Steel pipes offer several advantages such as high strength, durability, and resistance to fire and corrosion. They can be used for various structural elements including columns, beams, and bracing systems, providing a reliable and cost-effective solution for constructing tall buildings.

Q: How do you transport steel pipes safely?: Steel pipes can be transported safely by properly securing them using appropriate restraints, such as straps or chains, to prevent shifting or movement during transit. Additionally, using suitable equipment and vehicles, such as flatbed trucks or trailers, with adequate support and cushioning, can help ensure the safe transportation of steel pipes. Regular inspections of the securing arrangements and adherence to relevant safety regulations are also crucial to maintain the safe transport of steel pipes.

Q: What are the advantages of using steel pipes in construction projects?: There are several advantages of using steel pipes in construction projects. Firstly, steel pipes are incredibly strong and durable. They have a high tensile strength, which means they can withstand heavy loads and pressures without deforming or breaking. This makes them ideal for applications where structural integrity is crucial, such as in the construction of buildings, bridges, and infrastructure. Secondly, steel pipes have excellent resistance to corrosion. They are typically coated with protective layers, such as galvanized zinc or epoxy, which prevent rusting and extend their lifespan. This makes steel pipes suitable for both aboveground and underground applications, including water and sewage systems, oil and gas pipelines, and industrial processing plants. Additionally, steel pipes offer great versatility in terms of shape and size. They can be manufactured in various diameters and thicknesses, allowing for customization to meet specific project requirements. This flexibility in design makes steel pipes suitable for a wide range of applications in construction, including plumbing, HVAC systems, and structural supports. Moreover, steel pipes are relatively easy to install and maintain. They can be welded, threaded, or bolted together, providing a secure and leak-proof connection. This ease of installation reduces construction time and labor costs. Furthermore, steel pipes require minimal maintenance, as they are resistant to cracking, chipping, and warping. This makes them a cost-effective choice over the long term. Lastly, steel pipes are environmentally friendly. They are 100% recyclable, meaning they can be reused and repurposed without losing their structural integrity. Recycling steel pipes reduces the need for new raw materials and minimizes waste generation, making them a sustainable option for construction projects. Overall, the advantages of using steel pipes in construction projects include their strength, corrosion resistance, versatility, ease of installation and maintenance, and environmental sustainability. These qualities make steel pipes a reliable and cost-effective choice for a wide range of applications in the construction industry.

Q: How are steel pipes used in the manufacturing of automotive exhaust systems?: Steel pipes are commonly used in the manufacturing of automotive exhaust systems due to their durability, heat resistance, and ability to withstand corrosive gases. These pipes are utilized to transport and direct the exhaust gases from the engine to the rear of the vehicle. They are often bent and welded to create a complex system of pipes, mufflers, and catalytic converters, ensuring the efficient flow and treatment of exhaust gases while reducing noise levels.

Q: What are the different end finishes for steel pipes?: The different end finishes for steel pipes include plain ends, beveled ends, threaded ends, and grooved ends.

Q: How are steel pipes used in the manufacturing of appliances?: Steel pipes are commonly used in the manufacturing of appliances as they are strong, durable, and resistant to corrosion. These pipes are used for various purposes such as supply and distribution of water, gas, and other fluids, as well as for structural support and framework in appliances. They are often used for creating the internal plumbing systems, ventilation ducts, and electrical conduits in appliances, ensuring efficient functioning and reliability.

Q: How many meters per ton of steel tube?: General scaffolding tube diameter 40mm, specifications specify wall thickness of 3.5mm, the actual wall thickness of 3.2 - 3.4mm.The theoretical weight per meter is 3.85kg and the wall thickness is 3mm.Hence a ton of steel is about 260m.

Q: How do you calculate the flow rate of water in steel pipes?: To calculate the flow rate of water in steel pipes, you need to consider the pipe's diameter, length, and the pressure difference across the pipe. Using formulas like the Darcy-Weisbach equation or the Hazen-Williams equation, you can determine the flow rate by plugging in these variables along with the fluid properties.

Q: What is the maximum allowable pressure for steel pipes?: Various factors, such as the type of steel used, the pipe's diameter and thickness, and specific industry requirements, determine the maximum pressure allowed for steel pipes. The American Society of Mechanical Engineers (ASME) offers guidelines and standards for pressure vessel and piping design, which include determining the maximum allowable pressure. For power piping and process piping, ASME B31.1 and B31.3 are commonly used codes, respectively. These codes establish design criteria for different materials, including steel, and provide formulas and charts to calculate the maximum allowable pressure for different pipe sizes and wall thicknesses. The maximum allowable pressure is typically determined based on the pipe's ability to withstand internal pressure without experiencing permanent deformation or failure. It is important to consider other factors, such as temperature, corrosion, and the presence of external loads or stresses, as they may also impact the maximum allowable pressure for steel pipes. Therefore, it is essential to refer to the relevant codes, standards, and engineering calculations specific to the application to ensure the safe and reliable operation of steel pipes under the given conditions.

Q: Fastener type steel pipe scaffold steel pipe wall thickness: According to the "construction of fastener type steel pipe scaffold safety technical specifications JGJ130-2011" stipulates that the specification of steel pipe should be Phi 48.3 * 3.6, that is, wall thickness is 3.6mm. The standards in Shanghai are in line with national standards and 3.25mm can be used.Shelf tubes commonly used specifications, sizes are generally 48.3x3.0, 48.3x3.25, 48.3x3.5.

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