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
OKorder Financial Service
You Might Also Like
Specification
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: Can stainless steel pipes be used for steam piping?
- Indeed, steam piping can utilize stainless steel pipes. Renowned for its exceptional resistance to corrosion, stainless steel proves to be a superb option for steam-related purposes. In order to endure elevated temperatures and pressure, steam piping necessitates materials capable of withstanding such conditions, a criterion that stainless steel effortlessly meets. Furthermore, stainless steel pipes boast commendable thermal conductivity, ensuring the efficient transfer of heat within steam systems. Nevertheless, it is crucial to carefully deliberate the specific grade of stainless steel and its compatibility with steam applications, as certain grades may prove more suitable than others based on the system's conditions and requirements.
- Q: How do you calculate the maximum allowable span for stainless steel pipes?
- The maximum allowable span for stainless steel pipes can be calculated by considering various factors such as the material's tensile strength, the pipe's diameter, wall thickness, and the type of support or loading conditions. By using engineering formulas and standards specific to stainless steel pipes, such as those provided by ASME B31.1 or ASME B31.3, one can determine the maximum span that ensures structural integrity and safety.
- Q: Can stainless steel pipes be used for chemical refineries?
- Yes, stainless steel pipes can be used for chemical refineries. Stainless steel is highly resistant to corrosion, making it an ideal material choice for handling various chemicals and corrosive substances commonly found in refineries. Its durability, high strength, and ability to withstand extreme temperatures make it suitable for the demanding conditions of chemical refining processes.
- Q: What is the difference between ERW and EFW stainless steel pipes?
- ERW (Electric Resistance Welded) stainless steel pipes are manufactured by rolling a flat steel into a cylindrical shape and then welding the edges together using electric resistance heat. On the other hand, EFW (Electric Fusion Welded) stainless steel pipes are produced by melting the edges of two steel plates or strips and then welding them together using an electric current. The main difference between ERW and EFW stainless steel pipes lies in the welding process, with ERW pipes having a smoother internal surface due to the absence of filler material, while EFW pipes have a slightly thicker weld seam. Additionally, EFW pipes are generally used for larger diameters and thicker walls, whereas ERW pipes are commonly used for smaller diameters and thinner walls.
- Q: What is the difference between 304J3 and 316J3 stainless steel pipes?
- The main difference between 304J3 and 316J3 stainless steel pipes lies in their composition and corrosion resistance properties. 304J3 stainless steel is a grade of stainless steel that contains 18% chromium and 8% nickel. It is known for its excellent corrosion resistance, high strength, and good formability. This grade is commonly used in various applications, such as food processing, chemical processing, and architectural applications. On the other hand, 316J3 stainless steel is a grade that contains 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. This additional molybdenum content enhances its corrosion resistance, especially against chloride environments. As a result, 316J3 stainless steel is often used in more demanding applications, such as marine environments, pharmaceutical equipment, and coastal structures. In summary, the key difference between 304J3 and 316J3 stainless steel pipes is the composition and the subsequent corrosion resistance properties. While both grades offer good corrosion resistance, 316J3 stainless steel provides superior resistance in chloride-rich environments, making it suitable for more demanding applications.
- Q: Can stainless steel pipes be galvanized?
- Indeed, it is possible to galvanize stainless steel pipes. Galvanization refers to the application of a safeguarding zinc coating on steel or iron to thwart the occurrence of rust. Although stainless steel already possesses a high level of resistance to corrosion, galvanization can serve as an extra layer of defense in specific situations. However, it is worth mentioning that galvanizing stainless steel pipes is not as prevalent as galvanizing carbon steel pipes since the innate corrosion resistance of stainless steel is generally satisfactory for most applications. Moreover, the process of galvanizing stainless steel can modify its visual appearance and may not be suitable for certain aesthetic prerequisites.
- Q: Stainless steel pipes can not be less than the amount of chromium
- General stainless steel chromium content is generally not less than 12%, high even up to 18%. Steel added elements such as chromium, can change the performance of the steel, such as the molecular structure of steel more uniform on the surface of the steel is more easily to form a layer of dense oxide protective film, thereby greatly improving the ability of corrosion-resistant stainless steel. Therefore, stainless steel can resist fire, water, acid, alkali and various solutions to its corrosion, not rust. The scientists found that the internal structure of the steel is more uniform, various components more closely linked to the corrosion of the more difficult the invasion, also attached to the surface with a layer of oxide film, like iron and steel to wear armor, was not naturally easy to rust. Why is stainless steel rust? When the stainless steel tube surface appear brown rust (point) when people are surprised: stainless steel does not rust, rust is stainless steel, steel may be a problem. In fact, this is a lack of understanding of stainless steel one-sided misconceptions. Stainless steel will rust under certain conditions. Stainless steel has the ability to resist atmospheric oxidation - that is, stainless steel, and also has the ability to corrode in medium containing acids, alkalis, and salts - that is, corrosion resistance. But its corrosion resistance is changed with the chemical composition, the mutual state, the condition of use and the type of environmental medium.
- Q: What is the composition of stainless steel pipes?
- Stainless steel pipes are primarily composed of iron with a minimum of 10.5% chromium content by mass. The addition of chromium creates a protective oxide layer on the surface, known as the passive layer, which helps prevent corrosion and provides stainless steel with its characteristic resistance to rust and staining. Additionally, stainless steel pipes may contain other elements such as nickel, molybdenum, and manganese, which enhance their mechanical properties and corrosion resistance. These alloying elements contribute to the overall strength, durability, and versatility of stainless steel pipes, making them suitable for various applications in industries such as construction, automotive, and manufacturing.
- Q: What kind of stainless steel square tube is used in ordinary square tubes?
- General specifications of stainless steel tube at the inner diameter and wall thickness, the length can be decided according to the needs of consumers, the common market of stainless steel pipe specifications are: diameter more than 6.0mm, the wall thickness below 13mm; diameter greater than 30mm, the wall thickness is greater than 1.2mm; diameter greater than 30mm, wall thickness less than 1.2mm.
- Q: Can stainless steel pipes be used for desalination plants?
- Yes, stainless steel pipes can be used for desalination plants. Stainless steel is highly resistant to corrosion, making it an ideal material for transporting seawater in the desalination process. Additionally, stainless steel pipes offer excellent strength and durability, ensuring long-term reliability in such harsh environments.
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
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords
