Welding of duplex stainless steel pipe with good performance
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 4000 m.t./month
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Detail infomation
Standards: ASTM/ASME A789/SA789, A790/SA790,A450,A530
Material: UNS S31803(Cr22Ni5Mo3/1.4462)/2205,UNS S32750(1.4410),UNS S31500(Cr18NiMo3Si2),
UNS32760(1.4501)
Chemical Composition
Grade | C max | Si max | Mn max | P max | S max | Cr | Ni | Mo | N |
UNS S32750 | 0.030 | 0.8 | 1.2 | 0.030 | 0.015 | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 |
UNS S31803 | 0.030 | 1.0 | 2.0 | 0.020 | 0.020 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 0.08-0.20 |
UNS S31500 | 0.030 | 1.0 | 1.2-2.0 | 0.030 | 0.030 | 18.0-19.0 | 4.5-5.5 | 2.5-3.5 | 0.05-0.10 |
Physical Properties
Grade | Y.S.MPa min | T.S.Mpa min | Elongation % | Hardness HRC |
UNS S32750 | 550 | 800 | 15 | 20 |
UNS S31803 | 450 | 620 | 25 | 20 |
UNS S31500 | 440 | 630 | 30 | 20 |
Supplementary Testing :
we also carry out on the manufactured products supplementary testing.
Radiography Testing |
Macro Testing |
Liquid Penetrate testing |
- Q:Are stainless steel pipes resistant to chemicals?
- Yes, stainless steel pipes are highly resistant to chemicals. They have excellent corrosion resistance properties, even in harsh and corrosive environments, making them a suitable choice for industries that deal with various chemicals.
- Q:What's the difference between stainless steel pipe and stainless steel composite pipe?
- Stainless steel tube, the whole pipe is stainless steel lighter, bearing capacity, there is no composite pipe, but it is not easy to embroider,
- Q:What is the maximum operating temperature for stainless steel pipes?
- The specific grade of stainless steel used can cause the maximum operating temperature for stainless steel pipes to vary. Nevertheless, stainless steel pipes, on the whole, can endure high temperatures. Typically, austenitic stainless steel grades like 304 and 316 are capable of handling temperatures up to 870°C (1600°F). Conversely, ferritic stainless steel grades like 430 have a lower maximum operating temperature of approximately 760°C (1400°F). To determine the precise maximum operating temperature for a specific stainless steel grade and pipe, it is crucial to refer to the manufacturer's specifications and guidelines.
- Q:Can stainless steel pipes be used in the aerospace industry?
- Yes, stainless steel pipes can be used in the aerospace industry. Stainless steel is a highly versatile and durable material that offers excellent resistance to corrosion, high temperatures, and pressure. These properties make stainless steel pipes suitable for various applications in the aerospace industry, such as fuel systems, hydraulic systems, and air conditioning systems. Stainless steel pipes are also commonly used in aircraft engines, where they can handle the extreme temperatures and provide reliable performance. Additionally, stainless steel pipes are lightweight compared to other materials, making them ideal for aerospace applications where weight reduction is crucial. Overall, stainless steel pipes meet the stringent requirements and standards of the aerospace industry and are widely used in various aircraft and spacecraft components.
- Q:What is the maximum pressure rating for stainless steel pipe fittings?
- There are several factors that contribute to the maximum pressure rating of stainless steel pipe fittings, including the material grade, size, and temperature. In general, stainless steel pipe fittings have the ability to handle high-pressure applications due to their strength and resistance to corrosion. The pressure rating of these fittings can vary greatly, ranging from 150 psi to as high as 10,000 psi, depending on the specific fitting and its intended use. To determine the maximum pressure rating for a particular stainless steel pipe fitting, it is important to refer to the manufacturer's documentation or industry standards such as ASME B16.11 or ASME B16.9. Additionally, when working with high-pressure systems, other factors such as the sealing method, compatibility with the conveyed fluid, and any necessary safety precautions must be taken into consideration.
- Q:Can stainless steel pipes be used in the pharmaceutical industry?
- Indeed, the pharmaceutical industry can employ stainless steel pipes. The pharmaceutical sector favors stainless steel owing to its exceptional resistance to corrosion, robustness, and longevity. Its capacity to withstand high temperatures and pressures, as well as its resistance to numerous chemicals, renders it appropriate for the transportation of diverse pharmaceutical substances and fluids. Furthermore, stainless steel pipes are effortless to clean and maintain, which is vital for upholding sanitation and averting contamination during the pharmaceutical manufacturing procedures. Moreover, stainless steel is non-reactive and non-toxic, thereby assuring the integrity and excellence of pharmaceutical products.
- Q:Do stainless steel pipes require any special coatings?
- Stainless steel pipes, being resistant to corrosion and staining, are highly durable and long-lasting. Their inherent corrosion resistance eliminates the need for extra coatings or treatments. The presence of chromium in the alloy composition creates a protective oxide layer on the surface, preventing rust and corrosion. As a result, stainless steel pipes can be used in various applications without the necessity of special coatings for protection.
- Q:Can stainless steel pipes be used for petrochemical applications?
- Yes, stainless steel pipes can be used for petrochemical applications. Petrochemical processes involve the handling and transportation of various corrosive and high-temperature substances, and stainless steel pipes offer excellent resistance to corrosion and high temperatures. Stainless steel is known for its ability to withstand aggressive chemicals, such as acids and alkalis, as well as its resistance to stress corrosion cracking. Additionally, stainless steel pipes are highly durable and have a long lifespan, making them suitable for the demanding conditions of petrochemical applications.
- Q:Are stainless steel pipes suitable for power generation plants?
- Yes, stainless steel pipes are highly suitable for power generation plants. They possess excellent corrosion resistance, high strength, and durability, making them ideal for handling high-pressure and high-temperature fluids and gases found in power generation processes. Stainless steel pipes also offer exceptional resistance to various chemicals, ensuring the integrity and longevity of the piping system in power plants. Additionally, their smooth inner surface minimizes frictional losses, enhancing the efficiency of fluid transportation within the plant.
- Q:How do you choose the right stainless steel grade for a specific application?
- When choosing the right stainless steel grade for a specific application, there are several factors to consider. Firstly, it is important to understand the environment in which the stainless steel will be used. Consider factors such as temperature, humidity, and exposure to corrosive substances. Different stainless steel grades have varying levels of resistance to corrosion, so selecting a grade that is suitable for the specific environment is crucial. Secondly, the required mechanical properties of the stainless steel should be evaluated. This includes the desired strength, ductility, and toughness. Different stainless steel grades have varying mechanical properties, so it is important to choose a grade that meets the specific requirements of the application. Additionally, the fabrication process should be taken into account. Some stainless steel grades are easier to weld, machine, or form than others. Therefore, it is important to select a grade that is compatible with the intended fabrication techniques. Furthermore, cost considerations should be taken into consideration. Different stainless steel grades have varying price points, so it is important to choose a grade that fits within the budget of the specific application. Lastly, consulting with a materials engineer or a stainless steel supplier can provide valuable expertise and guidance in choosing the right grade. These professionals can help evaluate the specific requirements of the application and recommend the most suitable stainless steel grade. In conclusion, choosing the right stainless steel grade for a specific application requires considering factors such as the environment, mechanical properties, fabrication process, cost, and seeking expert advice. By taking these factors into account, one can make an informed decision and select the most appropriate stainless steel grade for their specific application.
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Welding of duplex stainless steel pipe with good performance
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 4000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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