316 Stainless Steel Pipe
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 m.t./month
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Specification
Standard:
AISI,ASTM,JIS,GB,BS,DIN,API,EN
Technique:
Spring,Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW
Shape:
LTZ,Oval,Rectangular,Round,Hexagonal,C Channel,Square,U Channel
Surface Treatment:
PVDF Coated,Black,Bright,Polished,Chromed Passivation,Dry,Oiled,Color Coated,Copper Coated,Coated,Galvanized
Steel Grade:
RHB335,Q215B,Q235,Q215,Q195,A53(A,B),20#,10#,SS400-SS490,600 Series,400 Series,300 Series,200 Series,HRB400,Q235B
Certification:
CE,SGS,ISO
Thickness:
as required
Length:
12m
Net Weight:
as required
SPECIFICATION
Stainless Steel Pipe:
1. 201, 202, 301, 304, 316L, 430, etc
2. OD: 6mm-159mm
3. Thickness: 0.25mm-3.5mm
4. Finish: Mirror, Satin, Hairline
316 STAINLESS STEEL PIPE:
Name | 316 Stainless steel pipe | |||||
Standard | ASTM A554,ASTM A312 | |||||
Material Grade | 201,202,304,316,316L,430 | |||||
Main Material
| a) 201 (Ni0.8%-1%) b) 202 (Ni: 3.0%-4.0%) d) 316 (Ni: 10% Cr: 18%) | |||||
Size Range | 139mm-1600mm ETC. | |||||
Thickness | 0.5-30mm | |||||
Length | 6m or as customers' request | |||||
Tolerance | a) Outer Diameter: +/- 0.2mm | |||||
b) Thickness: +/- 0.02mm | ||||||
c) Length: +/- 5mm | ||||||
Surface | 180G, 320G Satin/Hairline 400G, 600G Mirror finish | |||||
Application | handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc | |||||
Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
Chemical Composition of Material | 201 | 202 | 304 | 316L | 430 | |
C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤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 | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 | |
Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 | ||
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) | <105< span=""> | <100< span=""> | <90< span=""> | <90 | ||
- Q: Can stainless steel pipes be surface treated?
- Yes, stainless steel pipes can be surface treated. Surface treatment is often done to improve the aesthetics, corrosion resistance, and durability of stainless steel pipes. Common surface treatment methods for stainless steel pipes include passivation, electropolishing, pickling, and applying various coatings. Passivation involves the removal of impurities from the surface of the stainless steel, creating a protective oxide layer that enhances corrosion resistance. Electropolishing is an electrochemical process that smooths and polishes the surface of stainless steel pipes, improving their appearance and reducing the likelihood of bacterial growth. Pickling involves the removal of scale and oxide layers from the surface by using acid solutions. Coatings such as powder coating, paint, or plating can also be applied to stainless steel pipes to provide additional protection against corrosion, enhance appearance, or meet specific requirements. Overall, surface treatment options for stainless steel pipes are diverse and can be tailored to meet the desired functional and aesthetic needs.
- Q: What is the difference between inside diameter and outside diameter in stainless steel pipes?
- Stainless steel pipes are described by two important measurements: inside diameter (ID) and outside diameter (OD). The inside diameter is the measurement of the hollow space within the pipe where fluids or gases flow. It is typically measured in millimeters or inches. The ID is crucial for determining the pipe's flow capacity and is used in calculations related to fluid dynamics and pressure drop. Conversely, the outside diameter is the measurement of the outermost part of the pipe, including the thickness of the pipe walls. It is also measured in millimeters or inches. The OD is essential for determining the overall size and strength of the pipe. It is often used in calculations related to pipe fittings, support requirements, and compatibility with other components or systems. In stainless steel pipes, the difference between the inside diameter and outside diameter is the thickness of the pipe walls. This thickness is necessary to provide structural integrity and withstand external forces like pressure and temperature. The wall thickness, which is the ratio between the inside diameter and outside diameter, plays a significant role in determining the pipe's strength and suitability for specific applications. In conclusion, the inside diameter measures the inner part of the stainless steel pipe, while the outside diameter measures the outer part, including the thickness of the pipe walls. Understanding these measurements is crucial for selecting the appropriate pipe size, calculating flow capacity, and ensuring the pipe's overall suitability for the intended application.
- Q: How do stainless steel pipes compare to other materials like copper or PVC?
- Stainless steel pipes offer distinct advantages over materials like copper or PVC. Stainless steel pipes are highly durable, corrosion-resistant, and suitable for various applications, even in harsh environments. Unlike copper, stainless steel does not react with water or other substances, ensuring the purity of the transported fluids. Additionally, stainless steel pipes have a higher strength-to-weight ratio than PVC, making them more robust and long-lasting. While copper and PVC have their own merits, stainless steel pipes excel in terms of longevity, reliability, and overall performance.
- Q: What is the difference between seamless and high-frequency welded stainless steel pipes?
- Two different types of pipes used in various applications are seamless stainless steel pipes and high-frequency welded stainless steel pipes. Seamless stainless steel pipes undergo a process called seamless pipe manufacturing. This involves heating and piercing a solid billet to create a hollow tube. The absence of seams or joints in seamless pipes makes them ideal for applications that require high pressure, high temperature, or corrosive environments. Their uniform composition and lack of welding contribute to their superior strength and reliability. In contrast, high-frequency welded stainless steel pipes are manufactured using high-frequency welding. This process includes passing a flat strip of stainless steel through rollers to form a tube shape. The edges of the strip are heated with high-frequency electrical currents and fused together, resulting in a solid pipe with a visible welded seam. Although both types of pipes are made from stainless steel, there are some differences between them. The manufacturing process is a significant distinction. Seamless pipes are created without any welding, resulting in a seamless and jointless pipe. On the other hand, high-frequency welded pipes have a visible welded seam along their length. Another difference lies in the strength and reliability. Seamless pipes, due to their uniform composition and absence of welding, offer higher strength and reliability compared to high-frequency welded pipes. This makes seamless pipes more suitable for applications that involve high pressure, high temperature, or corrosive environments. Moreover, the production cost of seamless pipes is generally higher than that of high-frequency welded pipes. The seamless pipe manufacturing process requires more complex machinery and additional steps, leading to higher production costs. Conversely, high-frequency welded pipes involve a simpler and more cost-effective manufacturing process. In summary, the main distinctions between seamless and high-frequency welded stainless steel pipes revolve around their manufacturing process, strength, and cost. Seamless pipes are made without any welding, providing higher strength and reliability at a higher cost. High-frequency welded pipes have a visible welded seam but are more cost-effective. The choice between the two types of pipes depends on the specific requirements of the application and the available budget.
- Q: What are the common applications of stainless steel pipes?
- Stainless steel pipes are widely used in various industries due to their exceptional qualities. Some of the common applications of stainless steel pipes are: 1. Plumbing and Water Systems: Stainless steel pipes are commonly used for plumbing and water supply systems due to their corrosion resistance, durability, and ability to withstand high pressure and temperature. 2. Oil and Gas Industry: These pipes are extensively used in the oil and gas industry for the transportation of petroleum products due to their high resistance to corrosion and excellent strength. They can handle extreme temperatures and harsh conditions, making them ideal for offshore drilling and pipeline systems. 3. Food and Beverage Industry: Stainless steel pipes are widely used in the food and beverage industry for the transportation of various liquids and gases. They are preferred due to their hygienic properties, resistance to corrosion, and easy cleaning. These pipes are commonly used in dairy plants, breweries, and food processing units. 4. Pharmaceutical Industry: Stainless steel pipes are crucial in the pharmaceutical industry, where the transportation of chemicals, gases, and liquids must be done in a sterile environment. The corrosion resistance and ability to withstand high temperatures make stainless steel pipes suitable for this industry. 5. Construction and Architecture: Stainless steel pipes find applications in construction and architecture, primarily for structural purposes. They are used for handrails, balustrades, structural supports, and decorative elements due to their aesthetic appeal, durability, and resistance to corrosion. 6. Automotive Industry: Stainless steel pipes are used in the automotive industry for various applications such as exhaust systems, fuel lines, and structural components. The high temperature resistance and durability of stainless steel make it suitable for these demanding applications. 7. Chemical Industry: Stainless steel pipes are extensively used in the chemical industry for the transportation of corrosive chemicals and gases. Their resistance to corrosion and ability to withstand high temperatures make them ideal for chemical processing plants and refineries. 8. Marine Industry: Stainless steel pipes are widely used in the marine industry due to their resistance to corrosion caused by saltwater. They are used in shipbuilding, offshore platforms, and underwater pipelines. Overall, stainless steel pipes have diverse applications in industries where corrosion resistance, high temperature resistance, durability, and hygiene are crucial factors. Their versatility and reliability make them a preferred choice for various industries worldwide.
- Q: Can stainless steel pipes be insulated with polyethylene?
- Yes, stainless steel pipes can be insulated with polyethylene. Polyethylene insulation is commonly used for thermal insulation of various types of pipes, including stainless steel ones. It helps to prevent heat transfer and can provide effective insulation for both hot and cold water pipes.
- Q: What is the maximum temperature stainless steel pipes can handle?
- The maximum temperature that stainless steel pipes can handle depends on the specific grade of stainless steel being used. Generally, stainless steel is known for its high temperature resistance and can withstand temperatures ranging from -150°C (-238°F) to 1100°C (2012°F) without losing its structural integrity. However, the exact maximum temperature will vary based on factors such as the grade of stainless steel, the specific application, and the duration of exposure to high temperatures. It is important to consult the manufacturer's specifications and guidelines to determine the maximum temperature limit for a particular stainless steel pipe.
- Q: Can stainless steel pipes be used for construction?
- Yes, stainless steel pipes can be used for construction. Stainless steel is a durable and corrosion-resistant material, making it suitable for various construction applications such as plumbing, structural support, and drainage systems.
- Q: How do you calculate the wall thickness for stainless steel pipes under external pressure?
- To calculate the wall thickness for stainless steel pipes under external pressure, you need to consider various factors such as the material properties, design codes, and the applied external pressure. Here is a general approach to calculating the wall thickness: 1. Determine the design pressure: The first step is to identify the external pressure that the stainless steel pipe will be subjected to. This pressure can be due to factors like fluid flow, environmental conditions, or operational requirements. 2. Determine the material properties: Stainless steel pipes have different grades, each with its own mechanical properties. Consult the material specifications to obtain the values for the yield strength (Sy) and ultimate tensile strength (Su) of the specific stainless steel grade you are working with. 3. Determine the allowable stress: The allowable stress (Sa) is the maximum stress that the material can sustain under the given conditions. It is usually provided by design codes or standards such as ASME B31.3 for process piping or ASME Section VIII for pressure vessels. 4. Calculate the design pressure thickness: Use the following formula to calculate the design pressure thickness (t): t = (P * D) / (2 * Sa) where P is the design pressure and D is the outside diameter of the stainless steel pipe. 5. Determine the corrosion allowance: Since stainless steel is prone to corrosion, it is important to consider a corrosion allowance to ensure the longevity of the pipe. The corrosion allowance is typically specified by the design codes or industry standards. 6. Calculate the final wall thickness: Add the corrosion allowance to the design pressure thickness calculated in step 4 to obtain the final wall thickness. It is important to note that this is a general approach, and specific design codes or standards may have additional requirements or factors to consider. Therefore, it is recommended to consult the relevant design codes, standards, or a qualified engineer to ensure accurate and safe calculations for your specific application.
- Q: Are stainless steel pipes suitable for oil refinery applications?
- Yes, stainless steel pipes are suitable for oil refinery applications. Stainless steel is highly resistant to corrosion, making it an ideal choice for transporting and processing oil and other petroleum products. The corrosion-resistant properties of stainless steel prevent the pipes from deteriorating due to exposure to corrosive materials and chemicals commonly found in oil refineries. Additionally, stainless steel pipes can withstand high temperatures and pressure, ensuring the safety and efficiency of oil refinery operations. Moreover, stainless steel is known for its durability and longevity, reducing the need for frequent maintenance and replacement. Overall, the use of stainless steel pipes in oil refinery applications provides a reliable and cost-effective solution.
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316 Stainless Steel Pipe
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 100000 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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