• Stainless Steel Welded Pipe ASTM A358/A312/A778 System 1
  • Stainless Steel Welded Pipe ASTM A358/A312/A778 System 2
  • Stainless Steel Welded Pipe ASTM A358/A312/A778 System 3
Stainless Steel Welded Pipe ASTM A358/A312/A778

Stainless Steel Welded Pipe ASTM A358/A312/A778

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Ningbo
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25 m.t.
Supply Capability:
8000 m.t./month

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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:











4、Stainless 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′508.04.785.549.5315.09
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′762.06.357.9212.717.48
80032′812.8
7.9012.717.48
85034863.6
7.9212.717.48
90036′914.4
7.9212.719.05
100040′1016.0
9.53

 

Tolerances on dimensions table: 

StandardOutside(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 10217-7D1±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: 


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.


How 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.

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:Are stainless steel pipes suitable for underground sewage systems?
Yes, stainless steel pipes are suitable for underground sewage systems. They have excellent corrosion resistance, durability, and strength, which make them highly reliable for handling sewage and wastewater in underground applications.
Q:Are stainless steel pipes suitable for extreme temperatures?
Indeed, extreme temperatures are well-suited for stainless steel pipes. Renowned for their exceptional heat resistance properties, stainless steel is a favored choice for applications involving elevated temperatures. With the ability to endure both exceedingly high and low temperatures, stainless steel pipes prove their suitability across a broad spectrum of industries, including oil and gas, chemical processing, power generation, and aerospace. The high levels of chromium and nickel found in stainless steel alloys significantly contribute to their resistance against corrosion and oxidation, allowing them to maintain their structural integrity even in the face of extreme temperature conditions. Furthermore, stainless steel pipes exhibit minimal expansion and contraction rates, ensuring their resilience against thermal cycling without any notable distortion or harm. In summary, stainless steel pipes stand as a dependable and long-lasting option for managing extreme temperatures.
Q:Can stainless steel pipes be used for underground applications?
Yes, stainless steel pipes can be used for underground applications. Stainless steel is highly resistant to corrosion, making it an ideal material for underground installations where the pipes are exposed to moisture, soil, and other corrosive elements. Stainless steel pipes are commonly used in underground applications such as water supply, sewage systems, and gas pipelines. Additionally, stainless steel pipes have high strength and durability, making them suitable for withstanding the pressures and loads associated with underground installations.
Q:Are stainless steel pipes suitable for oil and gas refineries?
Indeed, oil and gas refineries find stainless steel pipes to be highly suitable for their operations. The exceptional corrosion resistance properties of stainless steel make it the perfect choice for handling the various corrosive substances found in these industries, such as crude oil, natural gas, and petroleum products. Moreover, stainless steel pipes exhibit resistance to high temperatures and pressures, ensuring their durability and reliability even in the harshest operating conditions of oil and gas refineries. Additionally, stainless steel pipes offer the advantage of being easy to clean and maintain, reducing the risk of contamination and minimizing the need for maintenance downtime. Therefore, due to their superior corrosion resistance, high strength, and long-term cost-effectiveness, stainless steel pipes enjoy widespread use in oil and gas refineries.
Q:Can stainless steel pipes be used for irrigation sprinkler systems?
Indeed, irrigation sprinkler systems can utilize stainless steel pipes. Renowned for their durability, strength, and resistance to corrosion, stainless steel pipes prove to be an exceptional preference for irrigation setups. They possess the ability to endure high water pressure and are less prone to rust or decay over time in comparison to alternative materials, such as PVC or galvanized steel. Furthermore, stainless steel pipes guarantee hygienic conditions and do not taint the water supply, rendering them a secure choice for irrigation systems. Nevertheless, it remains crucial to take into account factors like cost and compatibility with existing infrastructure prior to opting for stainless steel pipes in irrigation sprinkler systems.
Q:What kind of welding machine is used for welding thin stainless steel plate and stainless steel square tube?
But I've already attached a ban on reverse welding (the reverse side is a square tube frame)3. I want it to look good after welding.I was just 4. when reading practice a week of welding, can actually be said to have no understanding of welding after graduation, occasionally with ordinary welding iron will often appear in the weld the warning signs, the other is capable person, not a child, he should be responsible for his behavior. Irrigation can not go fishing? We must also be jointly and severally liable for an accident
Q:How do you prevent scaling in stainless steel pipes?
One way to prevent scaling in stainless steel pipes is by using a process called passivation. Passivation involves treating the stainless steel surface with a mild oxidant or acid solution to remove any contaminants and create a protective oxide layer. Regular cleaning and maintenance, avoiding prolonged exposure to high temperatures, and controlling the water chemistry are also effective measures to prevent scaling in stainless steel pipes.
Q:What is the impact strength of stainless steel pipes?
The impact strength of stainless steel pipes is generally high, making them resistant to cracking or breaking under applied force or impact. Stainless steel is known for its excellent toughness, which is the ability to absorb energy and deform without fracturing. This is due to its microstructure, which consists of a combination of austenite and ferrite phases. The presence of these phases provides stainless steel pipes with superior impact resistance compared to other materials. The impact strength of stainless steel pipes can vary depending on the specific grade or alloy used. For instance, austenitic stainless steels, such as grades 304 and 316, are known for their high impact strength. These grades are commonly used in various industries, including construction, oil and gas, and chemical processing, due to their ability to withstand impact loads without failure. Furthermore, stainless steel pipes can also be further enhanced through various heat treatment processes, such as tempering or quenching, to increase their impact strength. These processes modify the microstructure of the steel, resulting in improved mechanical properties, including higher toughness and impact resistance. Overall, stainless steel pipes have a strong impact strength, making them suitable for applications where resistance to impact or shock loading is required. Their ability to withstand high forces without fracturing or breaking ensures the durability and reliability of stainless steel pipes in various industries.
Q:What are the different types of stainless steel pipe insulation?
There are several types of stainless steel pipe insulation available, including fiberglass, mineral wool, foam, and elastomeric foam. These materials provide different levels of thermal performance, durability, and resistance to moisture and chemicals, allowing users to choose the most suitable option for their specific needs.
Q:Are stainless steel pipelines buried in need of corrosion protection?
Pipeline buried environment factors: underground laying requirements of 3, one is corrosion protection, two is elevation, slope, and three is density. If it is electrochemical reaction, the design should have technical instructions or preventive measures.

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