• 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 System 3
  • Stainless Steel Welded Pipe ASTM A312/A358 System 4
Stainless Steel Welded Pipe ASTM A312/A358

Stainless Steel Welded Pipe ASTM A312/A358

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Tianjin
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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.






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



• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

•Reasonable price 








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




 

Stainless Steel Welded Pipe ASTM A312/A358

Stainless Steel Welded Pipe ASTM A312/A358


 




 

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

Size 

 

Outside   diameter          Outside                                                                           Thickness
SCH 5SSCH 10SSCH 20SSCH 40S
(A)(B)mmmmmmmmmm
35014′355.63.964.787.9211.13
40016′406.44.194.787.9212.7
45018′457.24.194.787.9214.27
50020′5084.785.549.5315.09
55022′558.84.785.549.5315.09
60024′609.65.546.359.5317.48
65026′660.45.547.9212.717.48
70028′711.25.547.9212.717.48
75030′7626.357.9212.717.48
80032′812.8 7.912.717.48
85034863.6 7.9212.717.48
90036′914.4 7.9212.719.05
100040′1016 9.53  

Tolerances on dimensions table

 

StandardOutside(mm)Thickness(mm)Length(mm)
ASTM A312≤48.26-0.4+No special provisions(Unspecified)-12.50%Appoint   LengthDefinite cut length+6.40
48.26~114.3000
114.30~219.080.8 
219.08~457.201.6 
457~660-4 
660~864-5 
 864~1219-5.6 
JIS G345930.00   ±0.30≥30.00 ±1.00%2.00   ±0.20≥2.00 ±10%Appoint   LengthDefinite cut Length
GB/T 1277113.00   ±0.2013.00~40.00 ±0.30≥40.00 ±0.80%≤4.00 +0.50   -0.604.00 ±10%20
EN 10217-7D1±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

 

 

 




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



How 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.


Why 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: Is the PVC tube a plastic tube or a plastic tube?.
PVC is actually a vinyl polymerization substance, whose material is a non crystalline material. Polyvinyl chloride (Poly, Vinyl, Chloride, PVC), it is obviously impossible to steel, we often say that iron and steel, the steel must be the main component of iron, Fe, inorganic. And PVC, polyvinyl chloride, is an organic substance. Therefore, PVC can not be called steel, and PVC constitutes a large number of substances, not confined to the pipe type.
Q: What is the difference between internal coating and external lining of steel pipes?
Steel pipes can be protected from corrosion and damage through two different methods: internal coating and external lining. When it comes to internal coating, a protective layer or coating is applied to the inner surface of the steel pipe. This is done to prevent corrosion or damage caused by the fluid or substance being transported through the pipe. Common materials used for the coating include epoxy, polyurethane, or polyethylene. These materials create a barrier between the pipe and the transported material, thus extending the pipe's lifespan and preserving the quality of the transported material. On the other hand, external lining involves applying a protective layer or lining to the outer surface of the steel pipe. The purpose of this is to shield the pipe from external elements like soil, moisture, chemicals, and physical damage. Materials such as polyethylene, polypropylene, or fusion-bonded epoxy are typically used for the external lining. By acting as a barrier, the lining prevents corrosive substances from coming into contact with the pipe and causing harm. Additionally, it helps maintain the pipe's structural integrity and prevents the formation of leaks or cracks. To summarize, the main distinction between internal coating and external lining of steel pipes lies in where the protective layer is applied. Internal coating focuses on the inner surface of the pipe, while external lining concentrates on the outer surface. While both methods aim to safeguard the pipe from corrosion and damage, they address different aspects of pipe protection.
Q: How to perform nondestructive inspection of steel tubes
Including fluorescence, coloring two kinds. Because of its simple equipment and convenient operation, it is an effective method to check the surface defect of magnetic particle inspection. It is mainly used for surface defect inspection of non-magnetic materials.
Q: How are steel pipes used in the manufacturing of pressure vessels?
Steel pipes are commonly used in the manufacturing of pressure vessels due to their high strength and ability to withstand high pressure. These pipes are utilized as the primary material for constructing the shell of the pressure vessel, providing a robust and reliable structure. Additionally, steel pipes offer excellent resistance to corrosion, making them suitable for various industries and applications where pressure vessels are required, such as oil and gas, chemical processing, and power generation.
Q: Can steel pipes be used for signposts or street lighting poles?
Yes, steel pipes can be used for signposts or street lighting poles. Steel pipes are often chosen for their durability, strength, and resistance to harsh weather conditions, making them suitable for supporting signs or street lighting fixtures.
Q: Can steel pipes be used for hydropower generation?
Indeed, the utilization of steel pipes is possible for the generation of hydropower. Within hydropower systems, steel pipes find widespread application in various contexts like penstocks and pipelines. Penstocks, characterized by their large size, are responsible for transporting water from a reservoir to a turbine, facilitating the conversion of the water's kinetic energy into rotational energy. Consequently, these pipes necessitate robustness and longevity to endure the immense water pressure and structural weight. Furthermore, steel pipes are also employed for pipelines, facilitating the transportation of water from the turbine back to the river or reservoir. Ultimately, steel pipes are an indispensable element in the generation of hydropower, as they possess the necessary strength, durability, and resilience to withstand the challenging conditions associated with water flow.
Q: What are the different types of steel pipe fittings for gas pipelines?
There are several types of steel pipe fittings commonly used for gas pipelines, including elbows, tees, reducers, couplings, and flanges. These fittings are essential for connecting and directing the flow of gas within the pipeline system.
Q: How do steel pipes withstand high pressure and temperature?
Steel pipes are designed to withstand high pressure and temperature due to their inherent strength and durability. The composition of steel, with its high tensile strength and resistance to deformation, allows it to maintain its structural integrity even under extreme conditions. Additionally, steel pipes are often manufactured with thicker walls and reinforcement techniques to further enhance their ability to withstand pressure and temperature.
Q: How are steel pipes used in HVAC systems?
Steel pipes are used in HVAC systems for various purposes such as transporting hot or cold water, steam, or refrigerant throughout the system. They are commonly used for supply and return lines, as well as for connecting various HVAC components like chillers, boilers, air handlers, and heat exchangers. Steel pipes are preferred in HVAC systems due to their durability, strength, and resistance to corrosion and high pressure.
Q: What are the safety precautions to consider when working with steel pipes?
When working with steel pipes, it is important to follow certain safety precautions to prevent accidents and injuries. Some key precautions include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against cuts, burns, and impact injuries. It is also crucial to inspect the pipes for any defects or damage before using them and ensure they are properly supported and secured during installation to prevent them from falling or causing structural failures. Additionally, workers should be trained on safe lifting techniques to avoid strain or back injuries when handling heavy pipes. Regular maintenance and inspection of tools and equipment, as well as adherence to proper handling and storage procedures, are also essential for maintaining a safe working environment when working with steel pipes.

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