SS 904L Seamless Stainless Steel Pipe in Wuxi ,China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 25000 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
Item specifice
Standard:
AISI
Technique:
Saw
Shape:
Square
Surface Treatment:
Oiled
Steel Grade:
RHB335,300 Series
Certification:
SGS
Thickness:
1
Length:
10000
Outer Diameter:
21
Net Weight:
12
316 stainless steel pipe
Product Description
Name | Stainless Steel Seamless & Welded Tube &Pipe | |||||
Items | Square tubes, round tubes, oval pipes, special shaped pipes, empaistic pipes, fittings | |||||
Standard | ASTM A554, A249, A269 and A270 | |||||
Material Grade | 201: Ni 0.8%~1% | |||||
202: Ni 3.5%~4.5% | ||||||
304: Ni 8%, Cr 18% | ||||||
316: Ni 10%, Cr 18% | ||||||
316L: Ni10%~14% | ||||||
430: Cr16%~18% | ||||||
Outer Diameter | 9.53mm--159mm | |||||
Thickness | 0.3mm - 3.0mm | |||||
Length | 6m or as customers' request | |||||
Tolerance | a) Outer Diameter: +/- 0.2mm | |||||
b) Thickness: +/- 0.02mm | ||||||
c) Length: +/- 5mm | ||||||
Surface | 180G, 240G, 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 | Material
Composition | 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< span=""> | ||
Our Work shop
Our products:
Definition of stainless steel(Adopted form Wikipedia)
In metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable",
is defined as a steelalloy with a minimum of 10.5% to 11% chromium content by mass.
Stainless steel does not readily corrode, rust or stain with water as ordinary steel does,
but despite the name it is not fully stain-proof, most notably under low oxygen, high salinity,
or poor circulation environments. It is also called corrosion-resistant steel or CRES
when the alloy type and grade are not detailed, particularly in the aviation industry.
There are different grades and surface finishes of stainless steel to suit the environment
the alloy must endure. Stainless steel is used where both the properties of steel
and resistance to corrosion are required.
- Q:How do you calculate the flow rate in stainless steel pipes?
- In order to determine the flow rate in stainless steel pipes, one can utilize the principles of fluid dynamics along with the properties of the fluid being conveyed through the pipe. There are several factors which must be taken into account: 1. The first step is to ascertain the diameter of the pipe. This parameter significantly impacts the flow rate as a larger diameter allows for a greater volume of fluid to pass through. 2. The second step involves determining the viscosity of the fluid. Viscosity refers to the fluid's resistance to flow. Fluids with high viscosity flow at a slower rate, whereas those with low viscosity flow more rapidly. 3. The next consideration is the calculation of the pressure drop across the pipe. This factor plays a crucial role in establishing the flow rate, and it can be computed by measuring the pressure at different points along the pipe. 4. The Reynolds number is then employed. This dimensionless value combines the fluid's velocity, density, viscosity, and pipe diameter. It aids in determining whether the flow is laminar (smooth) or turbulent (chaotic). Different equations exist to calculate the Reynolds number based on the flow regime. 5. The final step involves the application of the appropriate flow equation. Depending on the flow regime, various equations can be utilized to calculate the flow rate. For laminar flow, the Hagen-Poiseuille equation is applicable, while the Darcy-Weisbach equation or the Manning equation can be employed for turbulent flow. By considering these factors and employing the appropriate equations, the flow rate in stainless steel pipes can be determined. It is important to note that these calculations provide an estimate and may not yield exact results due to factors such as pipe roughness, fittings, and other obstructions within the pipe. Therefore, it is advisable to consult a fluid dynamics expert or employ specialized software for accurate calculations.
- Q:What is the maximum pressure that stainless steel pipes can handle?
- The maximum pressure that stainless steel pipes can handle depends on various factors such as the grade of stainless steel, the pipe's dimensions, the temperature of the fluid being transported, and the specific application of the pipe. Stainless steel pipes are known for their high strength and corrosion resistance, making them suitable for a wide range of applications where pressure is a concern. The most commonly used stainless steel grades for pipes are 304 and 316, which have different mechanical properties and maximum pressure ratings. For instance, type 304 stainless steel pipes have a maximum pressure rating of around 14,000 psi (pounds per square inch) at room temperature. However, this rating can vary depending on the pipe's wall thickness and diameter. Thicker pipes with larger diameters can generally handle higher pressures. On the other hand, type 316 stainless steel pipes are known for their increased corrosion resistance, especially in environments with chloride ions. They have a slightly higher maximum pressure rating compared to type 304, usually around 15,000 psi at room temperature. It is essential to note that the maximum pressure rating decreases as the temperature of the fluid increases. Stainless steel's mechanical properties change with temperature, and its strength reduces as it gets hotter. Therefore, it is crucial to consider the maximum operating temperature and determine the appropriate pressure rating accordingly. Additionally, it is always recommended 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 provide detailed 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 conditions, it is advisable to consult with a qualified engineer or a specialist in stainless steel piping systems. They can evaluate the specific requirements of your application and provide accurate information regarding the maximum pressure that stainless steel pipes can handle.
- Q:How about stainless steel 2520 and 316?
- 2520 stainless steel (310S) austenitic chromium nickel stainless steel has good oxidation resistance, corrosion resistance, because of higher content of chromium and nickel content, which has high temperature creep strength, can continuously work under high temperature, good heat resistance. For Ni (Ni), chromium (Cr) content is high, with good oxidation resistance, corrosion resistance, acid and salt, high temperature performance, high temperature resistant steel dedicated to the manufacture of electric furnace tube and so on, increase the amount of carbon austenitic stainless steel, due to the solid solution strengthening effect to the strength improved, chemical composition characteristics of austenitic stainless steel is chrome, nickel based addition of molybdenum and tungsten, niobium and titanium elements, as its face centered cubic structure, and strength and high creep strength at high temperature.
- 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 different types of stainless steel pipe flanges?
- There are several different types of stainless steel pipe flanges available, each designed for specific applications and requirements. Some common types include: 1. Weld Neck Flanges: These flanges have a long tapered hub and are welded to the pipe, providing excellent strength and durability. They are ideal for high-pressure and high-temperature applications. 2. Slip-On Flanges: These flanges slide over the pipe and are then welded in place. They are easy to install and provide a secure connection. Slip-on flanges are commonly used in low-pressure and non-critical applications. 3. Socket Weld Flanges: These flanges have a socket-like end that fits over the pipe and is then welded in place. They are used for smaller-sized pipes and are known for their resistance to leakage. 4. Threaded Flanges: These flanges have internal threads that allow them to be screwed onto the pipe. They are used in low-pressure applications and are easy to install and remove. 5. Lap Joint Flanges: These flanges consist of two components – a stub end and a loose backing flange. They are used in systems requiring frequent dismantling or where alignment is crucial. 6. Blind Flanges: These flanges are solid and have no bore, making them ideal for closing off the end of a pipe. They are commonly used in piping systems that require periodic inspection or cleaning. 7. Orifice Flanges: These flanges have concentric or eccentric holes to measure the flow rate of a fluid. They are often used in flow measurement applications. 8. Spectacle Blind Flanges: These flanges consist of a combination of a blind flange and a spacer. They are used to separate sections of a pipe system and can be easily removed for maintenance or repair. It is important to select the appropriate type of stainless steel pipe flange based on the specific requirements of the application, such as pressure, temperature, and fluid compatibility.
- Q:Are stainless steel pipes suitable for extreme temperatures?
- Indeed, extreme temperatures are well-suited for stainless steel pipes. Renowned for their exceptional heat resistance properties, stainless steel is a favored choice for applications involving elevated temperatures. With the ability to endure both exceedingly high and low temperatures, stainless steel pipes prove their suitability across a broad spectrum of industries, including oil and gas, chemical processing, power generation, and aerospace. The high levels of chromium and nickel found in stainless steel alloys significantly contribute to their resistance against corrosion and oxidation, allowing them to maintain their structural integrity even in the face of extreme temperature conditions. Furthermore, stainless steel pipes exhibit minimal expansion and contraction rates, ensuring their resilience against thermal cycling without any notable distortion or harm. In summary, stainless steel pipes stand as a dependable and long-lasting option for managing extreme temperatures.
- Q:Can stainless steel pipes be annealed?
- Stainless steel pipes possess the capability to undergo annealing, a process involving the heating of these pipes to a specific temperature, followed by a gradual cooling, which effectively alleviates stress, enhances ductility, and improves the mechanical properties of the material. Throughout the annealing process, the stainless steel pipes are heated to a temperature surpassing their recrystallization point, typically ranging from 1040°C to 1120°C (1904°F to 2048°F) for austenitic stainless steels. Consequently, this permits the internal structure of the pipes to achieve greater uniformity, thus relieving any stresses that may have been incurred during manufacturing or prior usage. Subsequently, post-annealing, the stainless steel pipes will exhibit improved formability, heightened toughness, and reduced hardness, rendering them suitable for a diverse range of applications across industries such as oil and gas, chemical processing, and construction.
- Q:Can stainless steel pipes be used for structural applications?
- Stainless steel pipes are indeed applicable for structural purposes. Stainless steel possesses remarkable attributes such as a high strength-to-weight ratio, corrosion resistance, and durability, rendering it a suitable material for an array of structural applications. In construction, infrastructure, and industrial ventures, stainless steel pipes are frequently employed due to their pivotal role in providing strength and preventing corrosion. These pipes find extensive use in buildings, bridges, stadiums, and other structures, where they serve as structural supports, frameworks, and load-bearing components. Furthermore, stainless steel pipes exhibit exceptional structural integrity, enabling them to withstand immense loads, extreme temperatures, and harsh environmental conditions. Consequently, stainless steel pipes emerge as a reliable and dependable choice for any structural application.
- Q:How do stainless steel pipes compare to polyethylene pipes?
- Stainless steel pipes and polyethylene pipes are two commonly used materials for various plumbing and industrial applications. While both materials have their advantages and disadvantages, they differ in terms of strength, durability, cost, and application suitability. Stainless steel pipes are known for their exceptional strength and durability. They can withstand high pressure and temperature, making them suitable for applications in industries such as oil and gas, chemical processing, and water distribution. Stainless steel pipes are also resistant to corrosion, rust, and fire, making them a reliable choice for long-term use. However, they tend to be heavier and more expensive than polyethylene pipes. On the other hand, polyethylene pipes are lightweight, flexible, and relatively inexpensive compared to stainless steel pipes. They are commonly used in applications such as irrigation, water supply, and drainage systems. Polyethylene pipes are resistant to chemicals, impact, and abrasion, making them suitable for underground installation. However, they may not be as durable as stainless steel pipes and may require more frequent replacements or repairs in some cases. In terms of installation and maintenance, stainless steel pipes are generally more demanding as they require specialized tools and skills. Polyethylene pipes, on the other hand, are easier to install and maintain due to their flexibility and simple jointing techniques. Ultimately, the choice between stainless steel pipes and polyethylene pipes depends on the specific requirements of the application. If strength, durability, and resistance to extreme conditions are crucial, stainless steel pipes are the preferred option. For less demanding applications that require cost-effectiveness, flexibility, and ease of installation, polyethylene pipes may be more suitable. It is important to consider factors such as budget, operating conditions, lifespan, and maintenance requirements when comparing these two pipe materials.
- Q:Are stainless steel pipes suitable for power plants?
- Yes, stainless steel pipes are highly suitable for power plants. They offer exceptional resistance to corrosion, high temperatures, and pressure, making them ideal for transporting various fluids and gases within power plants. Additionally, stainless steel pipes have excellent strength and durability, ensuring long-term reliability in the demanding operating conditions of power plants.
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
SS 904L Seamless Stainless Steel Pipe in Wuxi ,China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 25000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
New products
Hot products
Related keywords
