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
You Might Also Like
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:304 stainless steel, welded to seamless difference in what place?
- The strength of the pipeline depends on the alloy composition, which contains the same alloy and the same heat treatment of stainless steel seamless pipe and welded stainless steel pipes essentially consistent strength.After the tensile test and three-dimensional vibration test, welded stainless steel pipes tearing almost all occurred in the region far away from the welding point or local heating. This is because there is little impurity in the weld and the nitrogen content is slightly higher, so the strength of the welded joint is better than that of other parts. However, ASME (American Society of Mechanical Engineers) that welded stainless steel pipes can withstand 85% of the allowable pressure, which is mainly due to improved welding equipment data collection prior to today.The provisions of ASME 100% completely under permit pressure through ultrasonic testing of welded stainless steel pipe. Similarly, Europe and Asia also stipulates that can ensure the quality of welding performance by eddy current testing of welded stainless steel tube for eddy current testing is subject to legal procedures and licensed institutions. TRENT's eddy current test was approved by the Swedish power division. ASME believes the current loss is relatively small, high-quality performance based on the seamed tube.
- Q:Can stainless steel pipes be insulated with polyvinyl chloride?
- No, stainless steel pipes cannot be insulated with polyvinyl chloride.
- Q:Are stainless steel pipes suitable for automotive exhaust systems?
- Yes, stainless steel pipes are suitable for automotive exhaust systems. Stainless steel is a popular choice for exhaust systems due to its excellent resistance to corrosion and high temperatures. It can withstand the harsh conditions of an exhaust system, including exposure to moisture, heat, and chemicals. Stainless steel pipes also have good strength and durability, ensuring they can withstand the vibrations and pressure fluctuations within the exhaust system. Additionally, stainless steel pipes are known for their aesthetic appeal and can enhance the overall look of the vehicle. Overall, stainless steel pipes are a reliable and long-lasting option for automotive exhaust systems.
- Q:How do you calculate the flow rate of stainless steel pipes?
- There are two equations that can be used to calculate the flow rate of stainless steel pipes. These equations are the Hazen-Williams equation and the Darcy-Weisbach equation. The Hazen-Williams equation is commonly used in commercial and industrial applications for water flow, while the Darcy-Weisbach equation is more general and can be used for different fluids. To calculate the flow rate using the Hazen-Williams equation, you can use the formula Q = 0.849 * C * (D^2.63) * (h^0.54). In this equation, Q represents the flow rate in gallons per minute (GPM), C represents the Hazen-Williams coefficient (which depends on the pipe material and condition), D represents the inside diameter of the pipe in inches, and h represents the head loss or pressure drop in feet. For the Darcy-Weisbach equation, the flow rate can be calculated using the formula Q = (π/4) * (D^2) * V. In this equation, Q represents the flow rate in cubic meters per second (m³/s), D represents the inside diameter of the pipe in meters, and V represents the velocity of the fluid in meters per second (m/s). To determine the velocity (V), you can use the formula V = Q / ((π/4) * (D^2)). It is important to note that these equations provide theoretical estimations of the flow rate and other factors such as pipe roughness, fluid viscosity, and system pressure can also affect the actual flow rate. Therefore, it is recommended to consult engineering standards, industry guidelines, or work with a qualified engineer for accurate calculations.
- Q:What is the maximum pressure that stainless steel pipes can handle?
- The maximum pressure stainless steel pipes can handle relies on various factors including the grade of stainless steel, the dimensions of the pipe, the temperature of the fluid being transported, and the specific use of the pipe. Stainless steel pipes possess high strength and resistance to corrosion, making them suitable for applications where pressure is a concern. The commonly used stainless steel grades for pipes are 304 and 316, each having distinct mechanical properties and maximum pressure ratings. For example, type 304 stainless steel pipes typically have a maximum pressure rating of approximately 14,000 psi at room temperature. However, this rating can vary based on the pipe's wall thickness and diameter. Generally, thicker pipes with larger diameters can withstand higher pressures. Contrarily, type 316 stainless steel pipes are renowned for their enhanced corrosion resistance, particularly in environments with chloride ions. They usually have a slightly higher maximum pressure rating compared to type 304, typically around 15,000 psi at room temperature. It is crucial to note that as the fluid temperature rises, the maximum pressure rating decreases. Stainless steel's mechanical properties alter with temperature, resulting in reduced strength as the temperature increases. Hence, it is vital to consider the maximum operating temperature and determine the appropriate pressure rating accordingly. Furthermore, it is always advisable to consult relevant industry standards, codes, and regulations, such as ASME B31.3 for process piping or ASME B31.1 for power piping, as they offer comprehensive guidelines on the maximum pressure ratings for stainless steel pipes in various applications. To ensure the safety and reliability of stainless steel pipes under high-pressure circumstances, it is recommended to seek advice from a qualified engineer or a specialist in stainless steel piping systems. They can assess the specific requirements of your application and provide accurate information regarding the maximum pressure capacity of stainless steel pipes.
- Q:What are the different types of stainless steel pipe supports?
- There are several types of stainless steel pipe supports, including pipe hangers, pipe clamps, pipe saddles, and pipe brackets. These supports are designed to securely hold and stabilize pipes in various applications and ensure proper alignment and distribution of weight. They come in different shapes, sizes, and configurations to accommodate different pipe diameters and mounting requirements.
- Q:Are stainless steel pipes suitable for wastewater pumping stations?
- Stainless steel pipes prove to be a suitable option for wastewater pumping stations. Their exceptional corrosion resistance makes them ideal for environments abundant in moisture and chemicals, like wastewater pumping stations. These pipes are impervious to rust and can withstand the corrosive properties of wastewater, which often contains a variety of chemicals and contaminants. Furthermore, stainless steel pipes possess remarkable strength and durability, allowing them to handle the pressure and flow demands of wastewater pumping systems. Additionally, they have a smooth interior surface that minimizes friction, thereby enhancing water flow efficiency. In conclusion, stainless steel pipes are an outstanding selection for wastewater pumping stations, thanks to their corrosion resistance, strength, and durability.
- Q:Can stainless steel pipes be used for swimming pool systems?
- Yes, stainless steel pipes can be used for swimming pool systems. Stainless steel is a popular choice for swimming pool piping due to its excellent corrosion resistance and durability. It is resistant to rust and can withstand exposure to chlorine, saltwater, and other chemicals commonly used in pool systems. Stainless steel pipes also have high strength, making them suitable for handling the pressure and flow of water in swimming pool systems. Additionally, stainless steel pipes are easy to clean and maintain, ensuring a long lifespan for the pool system.
- Q:How much more expensive is 304 stainless steel than 201?
- 201 in the stainless steel industry, represents a kind of material, 201 stainless steel is generally refers to 201 stainless steel and acid resistant steel floorboard. 201 stainless steel refers to the atmosphere, steam, water and other weak medium corrosion of steel, while acid resistant steel refers to acid, alkali, salt and other chemical corrosive medium corrosion of steel.
- Q:Can stainless steel pipes be pickled and passivated?
- Yes, stainless steel pipes can be pickled and passivated. Pickling is a chemical process that removes impurities and surface contaminants from stainless steel, while passivation is a treatment that enhances the corrosion resistance of the material. Both processes are commonly used in the industry to ensure the quality and longevity of stainless steel pipes.
1. Manufacturer Overview |
|
|---|---|
| Location | |
| Year Established | |
| Annual Output Value | |
| Main Markets | |
| Company Certifications | |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | |
| b)Factory Information | |
| Factory Size: | |
| No. of Production Lines | |
| Contract Manufacturing | |
| Product Price Range | |
Send your message to us
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
Similar products
Hot products
Hot Searches
Related keywords
