Product Name: China wholesale Carbon Steel No Bolted pipe Coupling for mining equipment
|Key:grooved pipe fitting,steel pipe connector,hardware,elbow,steel pipe coupling|
|Applicable occasion:Mining equipment,Fire fighting equipment,Marine|
|Material:ductile iron/Carbon Steel/stainless steel|
|Surface Treatment:Spray or dip paint and other corrosion resistant treatment|
|Packaging:Plastic bags for internal use and wooden cases for external use|
|Shipping:FedEx,EMS,DHL,AIR or Sea|
|Payment:T/T,L/C,Money gram,Western union|
|Application:Fire,water supply,Mining pipe|
|1.The body is formed by automatic precision casting or precision forging, with high dimensional accuracy and excellent physical properties.
2.The sealing ring has the characteristics of high strength, antistatic, flame retardant, anti-tear, etc.The higher the pressure, the better the sealing performance.The selected materials are according to ASTM D2000 standard.The raw materials are imported.
3.The product has high reliability, fast installation and disassembly, flexible and convenient, easy to operate, less need for repair and maintenance.It can be reused.
4.The appearance is treated with anti-corrosion treatment such as plastic spraying/dipping paint/galvanizing, which has excellent flame retardant and antistatic properties, and can easily find water leakage and water seepage in the pipeline system.
1. Rich manufacturing experience.
2. Design ability.
We have excellent design and development staff.
3. Perfect equipment.
All kinds of production equipment more than 80 sets, professional inspection, testing equipment more than 50 sets.
4. Strict quality control.
Product manufacturing quality in accordance with ISO90001 quality management system requirements.
5. Serve customers attentively.
(1) 24-hour specially-assigned personnel to solve problems for you.
(2) High production efficiency and punctual delivery.
(3) Perfect after-sales service.
HangZhou Tontr Pipeline System Co., Ltd. is located in the beautiful coastal city of HangZhou. It is a professional national-level high-tech industry engaged in the design, development, manufacture and sales of high-pressure pipeline systems.
The company has passed international management system certifications. Product design and development, production process, and quality control are strictly implemented in accordance with the ISO9001 quality management system requirements; product performance meets the requirements of FM, UL, GB5135.11, GB/T8259 and other domestic and foreign standards.
The main products for long-distance liquid supply system.The main function is to transport liquids such as high-pressure emulsion and high-pressure spray to the partial opening of the working face at a high pressure, to provide power for the hydraulic support of the working face, the self-movement of the loader and the tail of the belt conveyor, etc. Provide high pressure water.
The company has solved the connection and installation of pipeline systems for many large state-owned enterprises, and has won wide acclaim from customers.
Pursuing product quality and serving customers with heart is our company’s philosophy.Hope we can cooperate with all customers who have needs for a long time.
Q1: Are you a manufacturer?
A. Yes, we are A manufacturer, and our products have been certified by ISO and other international management systems.
Q2: What’s your delivery time?
B. Depending on the order quantity and your location, it will take about 15-30 days.
Q3: What are your payment terms?
C. We accept 30% T/T in advance and 70% during shipment or at L/C sight.
Q4: Do you provide samples?
D: If you need some samples for testing, we can make them according to your requirements. Samples will be prepared and sent by express within a week, usually arriving within 4-7 days. You need to pay for the sample and shipping fee.
Q5: Can you design and manufacture specifically for customers?
E: Of course. Our design and development personnel can design and produce products according to your needs.
Q6:Could we pay a visit to your factory?
Yes,you are always welcome to our factory.
How Does the Grade of Stainless Steel Used in Couplings Impact Their Performance?
The grade of stainless steel used in couplings has a significant impact on their performance and suitability for specific applications. Stainless steel is an alloy that contains varying amounts of elements like chromium, nickel, and molybdenum, which give it different properties. The most common grades of stainless steel used in couplings are:
- Austenitic Stainless Steel (e.g., 304, 316): Austenitic stainless steel is the most widely used grade in couplings due to its excellent corrosion resistance, high ductility, and non-magnetic properties. Grade 304 is commonly used in general-purpose applications, while grade 316 offers higher corrosion resistance, making it suitable for more aggressive environments like marine or chemical industries.
- Ferritic Stainless Steel (e.g., 430, 446): Ferritic stainless steel has lower corrosion resistance compared to austenitic grades but offers better resistance to stress corrosion cracking. It is used in certain coupling applications where moderate corrosion resistance is sufficient.
- Martensitic Stainless Steel (e.g., 410, 420): Martensitic stainless steel is known for its hardness and strength. It is used in couplings that require higher mechanical properties, but it may have reduced corrosion resistance compared to austenitic grades.
- Duplex Stainless Steel (e.g., 2205, 2507): Duplex stainless steel combines the properties of austenitic and ferritic grades, offering high strength and better resistance to stress corrosion cracking and pitting. It finds applications in critical coupling systems where both strength and corrosion resistance are essential.
The choice of stainless steel grade depends on the specific requirements of the coupling application. Factors such as environmental conditions, exposure to corrosive substances, temperature, and mechanical stresses must be considered when selecting the appropriate grade. For example, couplings used in marine environments may require a high-grade austenitic stainless steel like 316 to withstand saltwater corrosion, while couplings in food processing may use grade 304 for its hygienic properties and general corrosion resistance.
In summary, the grade of stainless steel used in couplings directly influences their performance in terms of corrosion resistance, strength, ductility, and suitability for various applications. Proper selection of the stainless steel grade ensures that the couplings deliver reliable and long-lasting performance in their intended operating conditions.
Stainless Steel Couplings in High-Temperature Applications
Stainless steel couplings are well-suited for high-temperature applications due to their excellent thermal stability and resistance to oxidation. The structural integrity of stainless steel couplings remains largely unaffected within certain temperature ranges, making them suitable for use in various industrial processes that involve elevated temperatures.
The performance of stainless steel couplings in high-temperature conditions is primarily attributed to the unique properties of stainless steel alloys. Stainless steel contains chromium, which forms a protective oxide layer on the surface when exposed to oxygen. This passive oxide layer, also known as chromium oxide, acts as a barrier against further oxidation and corrosion, enhancing the material’s resistance to heat and scaling.
The temperature limits for stainless steel couplings depend on the specific grade of stainless steel used. Common stainless steel grades like 304 and 316 have different temperature thresholds, but they can typically withstand temperatures ranging from 600°C to 925°C (1112°F to 1700°F) without significant loss of structural integrity.
For extreme high-temperature applications, specialized stainless steel alloys with higher nickel and chromium content, such as Inconel or Hastelloy, may be used. These alloys can withstand even higher temperatures, often exceeding 1000°C (1832°F) while maintaining their mechanical properties.
However, it’s essential to consider other factors such as thermal expansion and mechanical loads when using stainless steel couplings in high-temperature applications. High temperatures can cause thermal expansion and contraction, leading to misalignment or additional stress on the coupling. Engineers and designers should carefully account for these factors to ensure proper functioning and longevity of the coupling in such environments.
In summary, stainless steel couplings can be used in high-temperature applications without significant loss of structural integrity, provided the operating temperatures fall within the limits of the specific stainless steel grade used. Proper consideration of thermal expansion and other mechanical factors is crucial to ensuring the coupling’s optimal performance and reliability.
Stainless Steel Coupling: Overview and Distinctive Features
A stainless steel coupling is a type of coupling made from stainless steel material. It is designed to connect two shafts in mechanical power transmission systems. Here are the key characteristics that differentiate stainless steel couplings from other types:
As the name suggests, stainless steel couplings are manufactured using stainless steel, a corrosion-resistant alloy composed of iron, chromium, and other elements. The stainless steel construction provides excellent resistance to rust, oxidation, and chemical corrosion, making these couplings suitable for harsh environments.
2. Corrosion Resistance:
The primary advantage of stainless steel couplings is their high resistance to corrosion. This property allows them to withstand exposure to moisture, chemicals, and extreme temperatures, making them ideal for applications in marine environments, chemical processing, food and beverage industries, and more.
3. Strength and Durability:
Stainless steel is a strong and durable material, which gives stainless steel couplings high load-bearing capabilities and a long service life. These couplings can handle heavy loads and provide reliable performance under demanding conditions.
4. Hygienic Properties:
Stainless steel couplings are known for their hygienic properties, making them suitable for applications in the food and pharmaceutical industries. They are easy to clean and maintain, ensuring the transmission of power without any risk of contamination.
5. Temperature Resistance:
Stainless steel couplings can operate efficiently over a wide temperature range, making them versatile in various industrial settings.
6. Aesthetic Appeal:
Stainless steel has a visually appealing, polished surface finish, making stainless steel couplings suitable for applications where aesthetics are important.
Stainless steel couplings can be used with a wide range of shaft materials, including stainless steel, carbon steel, and others, without causing galvanic corrosion.
8. Reduced Maintenance:
Due to their corrosion resistance and durability, stainless steel couplings require minimal maintenance, resulting in cost savings and increased uptime.
Overall, stainless steel couplings offer a combination of corrosion resistance, strength, and versatility, making them a preferred choice in industries where durability and reliability are essential.
editor by CX 2023-11-21