304 /316/321stainless steel seamless pipe
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 kg
- Supply Capability:
- 1000000 kg/month
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Specification
Standard:
AISI,ASTM,JIS,GB,BS,DIN,API,EN
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
API,CE,RoHS,IBR,BV,ISO,SGS,UL,BSI
Thickness:
0.1-100mm
Length:
1-12
Outer Diameter:
1-500
Net Weight:
100000
Stainless steel pipe is a hollow long round steel, widely used in petroleum, chemical, medical, food, light industry, machinery, instrument, such as industrial pipeline and mechanical structure parts, etc. In addition, in the bending and torsional strength phase, the weight is lighter, it is widely used in the manufacture of machinery parts and engineering structures. Also commonly used for the production of various kinds of conventional weapons, barrel, shells, etc. We also supply stainless steel parts, such as the three links, elbow, flange etc. Looking forward to establishing a long-term business relationship with you.
Item
| Description |
| Product name | Stainless steel pipe/tube |
| Material | 201 202 304 304L 316 316L 321 309 310 310S 430 410 |
| Thickness | 0.5mm-100mm |
| Outer diameter | 10mm-1000mm |
| Length | 6meters or as per customized |
| Technical treatment | Cold rolled and Hot rolled |
| Application | decorative pipe, construction pipe, mechanical pipe, stove heat exchanger tubes, food hygiene pipe, water and liquid delivery |
| Standard | ASTM GB KS AISI SAE AWS ASME BS DIN CAS API KR NK LR AB JIS |
| Certification | BV ISO SGS API WSF |
| Dimension(L*W*H) | 0.5mm*6mm*6000mm-8mm*610mm*6000mm |
| Trade terms | Pay terms: L/C T/T west union |
| Price terms: FOB CIF EXW CFR |
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
| Chemical Composition | 201 | 202 | 304 | 316 | 430 | |
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.08 | ≤0.12 | |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
| Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
| P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
| S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
| Cr | 16-18 | 17-19 | 18-20 | 16-18 | 16-18 | |
| Ni | 3.5-5.5 | 4.0-6.0 | 8.0-10.5 | 10.0-14.0 | ||
| Mo | 2.0-3.0 | |||||
| Mechanical Property | Material Item | 201 | 202 | 304 | 316 | |
| Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
| Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
| Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
| Hardness (HV) | < 253 | < 253 | < 200 | < 200 | ||
- Q: Can stainless steel pipes be insulated with polystyrene?
- Yes, stainless steel pipes can be insulated with polystyrene. Polystyrene is a commonly used insulation material due to its thermal properties and ability to resist moisture. It can effectively reduce heat transfer and prevent condensation on the surface of the pipe. However, it is important to ensure that the polystyrene insulation is properly sealed and protected to avoid any degradation or damage to the stainless steel pipe.
- Q: What are the different types of stainless steel pipe couplings?
- There are several different types of stainless steel pipe couplings available in the market, each offering unique features and functionalities. Some of the common types include: 1. Compression couplings: These couplings are designed to provide a tight and secure connection by compressing the pipe ends together using a compression nut. They are easy to install and suitable for both rigid and flexible pipe systems. 2. Flanged couplings: These couplings have flanges on both ends, which can be bolted together to create a strong and leak-proof connection. Flanged couplings are commonly used in industrial applications where high pressures and temperatures are involved. 3. Grooved couplings: These couplings consist of two segments that grip the pipe ends when tightened, creating a reliable and flexible connection. They are often used in fire protection systems and HVAC applications due to their ease of installation and ability to withstand vibration and movement. 4. Threaded couplings: As the name suggests, these couplings have threads on the inside, allowing them to be screwed onto the pipe ends. They are commonly used in low-pressure applications and are easy to assemble and disassemble. 5. Quick connect couplings: These couplings feature a quick-connect mechanism that allows for easy and rapid installation without the need for tools or additional components. They are often used in plumbing and irrigation systems. 6. Welded couplings: These couplings require the pipe ends to be welded together to create a permanent and robust connection. They are commonly used in high-pressure and high-temperature applications where a strong joint is essential. It is important to select the appropriate type of stainless steel pipe coupling based on the specific requirements of the application, such as the operating conditions, pipe material, and system design. Consulting with a professional or referring to industry standards can help ensure the right choice is made.
- Q: Are stainless steel pipes suitable for heat exchangers?
- Yes, stainless steel pipes are suitable for heat exchangers. Stainless steel possesses excellent heat transfer properties and is resistant to corrosion and oxidation, making it an ideal material for heat exchanger applications. Its durability, high strength, and ability to withstand extreme temperatures make stainless steel pipes a reliable choice for efficient heat exchange.
- Q: Can stainless steel pipes be bent or shaped easily?
- Stainless steel pipes can be bent or shaped, but the ease of bending or shaping depends on various factors such as the thickness, diameter, and grade of the stainless steel. Generally, stainless steel pipes have a higher resistance to bending compared to other materials like copper or aluminum. However, with the use of specialized tools and techniques such as pipe benders or hydraulic presses, stainless steel pipes can be bent or shaped to desired angles or curves. It is important to note that excessive bending or shaping may cause the stainless steel pipe to weaken or distort, so it is crucial to follow proper procedures and guidelines to ensure the structural integrity of the pipe is maintained.
- Q: What is the difference between 304J6 and 316J6 stainless steel pipes?
- The composition and properties of 304J6 and 316J6 stainless steel pipes are the main factors that differentiate them. 304J6 stainless steel is a variation of the widely used 304 stainless steel with low carbon content. It consists of approximately 18% chromium and 8% nickel, providing excellent corrosion resistance and durability. This grade finds application in various fields such as food processing, chemical processing, and architecture. On the other hand, 316J6 stainless steel is an austenitic grade known for its superior corrosion resistance compared to 304J6. It contains about 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. The inclusion of molybdenum enhances its ability to withstand pitting and crevice corrosion in chloride environments, making it suitable for marine and coastal applications. Regarding mechanical properties, both grades exhibit satisfactory strength and toughness. However, due to its alloy composition, 316J6 stainless steel typically possesses higher tensile strength and hardness. In terms of price, 316J6 stainless steel pipes generally carry a higher price tag than 304J6 due to the increased cost of molybdenum. Consequently, the choice between the two grades depends on the specific requirements of the intended application and the desired level of corrosion resistance.
- Q: Can stainless steel pipes be used for mining and mineral processing applications?
- Yes, stainless steel pipes can be used for mining and mineral processing applications. Stainless steel is known for its excellent corrosion resistance, which makes it highly suitable for use in environments where there is exposure to chemicals, acids, and high temperatures, all of which are common in mining and mineral processing operations. Stainless steel pipes offer several advantages in these applications. Firstly, their resistance to corrosion ensures that they can withstand the harsh conditions present in mining and mineral processing, thereby reducing the risk of pipe failure and minimizing maintenance and replacement costs. Additionally, stainless steel pipes are highly durable and have a long lifespan, making them cost-effective in the long run. Furthermore, stainless steel pipes are non-reactive and do not contaminate the materials being transported, which is crucial in mining and mineral processing where the purity of the products is essential. This makes stainless steel pipes suitable for conveying various minerals, ores, and chemicals without compromising their quality or causing contamination-related issues. Another advantage of stainless steel pipes is their versatility. They can be manufactured in various sizes, shapes, and thicknesses to meet the specific requirements of mining and mineral processing applications. Additionally, stainless steel pipes can be welded, threaded, or coupled to easily connect with other components and systems, allowing for efficient installation and integration into existing infrastructure. In conclusion, stainless steel pipes are well-suited for mining and mineral processing applications due to their corrosion resistance, durability, non-reactivity, and versatility. They offer a reliable and cost-effective solution for conveying various materials in a demanding environment while maintaining the integrity and purity of the products being processed.
- Q: Can stainless steel pipes be used for pharmaceutical storage tanks?
- Pharmaceutical storage tanks can utilize stainless steel pipes. The pharmaceutical industry highly favors stainless steel due to its exceptional resistance to corrosion, long-lasting nature, and ability to uphold cleanliness. Its non-reactive properties are advantageous in preventing contamination of stored pharmaceutical products. Furthermore, stainless steel pipes possess a smooth surface that is easy to clean, making them ideal for maintaining the necessary hygiene standards in pharmaceutical storage. Additionally, stainless steel can endure extreme temperatures and withstand the demanding cleaning procedures commonly employed in pharmaceutical facilities. Consequently, stainless steel pipes are widely employed in constructing pharmaceutical storage tanks to guarantee the safety and preservation of the stored pharmaceutical products.
- Q: What is the difference between seamless and hot-finished stainless steel pipes?
- Seamless and hot-finished stainless steel pipes are both used in various industrial applications, but they have some key differences. The main difference between seamless and hot-finished stainless steel pipes lies in their manufacturing process. Seamless pipes are made by piercing a solid steel billet to form a hollow tube without any seams or joints. This process ensures a consistent wall thickness throughout the pipe and a smooth interior surface. On the other hand, hot-finished pipes are created by heating a solid billet and then rolling it to form a tube shape. This rolling process can result in a seam or weld line along the length of the pipe. Another significant difference between seamless and hot-finished stainless steel pipes is their dimensional accuracy and surface finish. Seamless pipes are known for their high dimensional accuracy and excellent surface finish, making them suitable for applications where a precise fit and smooth flow are critical, such as in the pharmaceutical or food processing industries. Hot-finished pipes, although generally not as precise in terms of dimensions and surface finish, are more cost-effective and widely used in applications where tight tolerances are not required, such as in structural or construction projects. In terms of strength and durability, both seamless and hot-finished stainless steel pipes offer excellent performance. However, seamless pipes tend to have higher strength due to their manufacturing process, as there are no weak points or potential areas of failure like welded seams. This makes seamless pipes preferred in applications that require high pressure or corrosion resistance, such as in oil and gas pipelines or chemical processing plants. In summary, the main differences between seamless and hot-finished stainless steel pipes lie in their manufacturing process, dimensional accuracy, surface finish, and strength. Seamless pipes are produced without any seams or welds, resulting in superior dimensional accuracy and surface finish, making them suitable for precise applications. On the other hand, hot-finished pipes are more cost-effective and widely used in applications where tight tolerances are not crucial. Both types of pipes offer excellent strength and durability, but seamless pipes are generally preferred in high-pressure or corrosive environments.
- Q: Are stainless steel pipes suitable for oil refinery applications?
- Yes, stainless steel pipes are highly suitable for oil refinery applications. They offer excellent resistance to corrosion, high temperatures, and aggressive chemicals commonly found in refineries. Stainless steel pipes also have high strength and durability, making them ideal for transporting and storing various petroleum products.
- Q: What is the difference between 17-7 and 15-7 stainless steel pipes?
- The main difference between 17-7 and 15-7 stainless steel pipes lies in their composition and properties. The numbers 17-7 and 15-7 refer to the specific ratios of alloys present in the stainless steel. 17-7 stainless steel contains approximately 17% chromium and 7% nickel, along with small amounts of other elements. This composition gives it high strength, excellent formability, and good corrosion resistance. It is often used in applications that require high strength and resistance to fatigue, such as aerospace components and springs. On the other hand, 15-7 stainless steel contains approximately 15% chromium and 7% nickel, with the addition of 2% molybdenum. This addition of molybdenum enhances the material's corrosion resistance, making it suitable for applications in harsh environments and chemical processing industries. In summary, while both 17-7 and 15-7 stainless steel pipes offer good corrosion resistance and are capable of withstanding high strength requirements, 15-7 stainless steel pipes provide enhanced corrosion resistance due to the addition of molybdenum.
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304 /316/321stainless steel seamless pipe
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 kg
- Supply Capability:
- 1000000 kg/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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