20''-60'' CARBON STEEL LSAW WELDED PIPE API/ASTM/JIS/DIN
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t
- Supply Capability:
- 300 m.t/month
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Packaging & Delivery
Packaging Detail: | standard export packing or as customer's requirement |
Delivery Detail: | within 10 - 30 days |
Specifications
Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm
Product Description:
1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100
2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672
3.Wall thickness: 3.0mm-30mm
4.Outer diameter: φ168mm-3020mm
5,Length: 5m-12m or as your requirement
6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002
7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc
Q195-q345 Material Steel Pipe's Materials
Elements | Chemical Compsition% | Mechanical Property | ||||||
C% | Mn% | S% | P% | Si% | Yield Point (Mpa) | Tensile Strength(Mpa) | Elongation | |
Q195 | 0.06-0.12 | 0.25-0.50 | <0.050< span=""> | <0.045< span=""> | <0.030< span=""> | >195 | 315-430 | 32-33 |
Q215 | 0.09-0.15 | 0.25-0.55 | <0.05< span=""> | <0.045< span=""> | <0.030< span=""> | >215 | 335-450 | 26-31 |
Q235 | 0.12-0.20 | 0.30-0.70 | <0.045< span=""> | <0.045< span=""> | <0.030< span=""> | >235 | 375-500 | 24-26 |
Q345 | <0.20< span=""> | 1.0-1.6 | <0.040< span=""> | <0.040< span=""> | <0.55< span=""> | >345 | 470-630 | 21-22 |
Packaging & Delivery
Packaging Detail: | Normal exporting packing,in container or bulk vessel or as per clients' request |
Delivery Detail: | 2 months after confimed contract |
Specifications
Large Diameter API 5L X70 PSL2 LSAW Steel Pipe
Grade: X42, X46, X50, X52, X60, B, C
OD: 1.5"-28"
WT: SCH10-SCH160
Brand:TPCO
Large Diameter API 5L X70 PSL2 LSAW Steel Pipe
Specifications:
u Standard: API 5L
u Grade: B, C, X42, X46, X50, X52, X56, X60, X65, X70, X80
u OD: 1.5"-28"
u WT: SCH10-SCH160
u Length: 5-12m
u Ends Finish: plain end, bevel end, grooved end
u Surface Treatment: bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating
u Technique: hot rolled or cold drawn
u Application: api 5l steel pipe for conveying oil, water, gas
u Invoicing: based on theoretical weight or actual weight
u Payment Terms: L/C at sight, T/T or Western Union
u Trade Terms: FOB, CFR, CIF
u Certification: ABS manufacturing assessment, ABS design assessment, API 5CT, API 5L, DNV manufacturer certificate, ISO9001 quality management system certificate, ISO14001 environment management system certificate, GB/T28001 occupational health and safety management system certificate, A1 class manufacturing license of special equipment certificate, CCS, GL, LR, SGS, TüV, PDE
- Q:What are the disadvantages of using steel pipes?
- One major disadvantage of using steel pipes is their susceptibility to corrosion. Over time, exposure to moisture and certain chemicals can cause the pipes to rust and weaken, leading to leaks or structural damage. Additionally, steel pipes are generally heavier and more expensive than alternative materials, making them less suitable for certain applications where weight and cost are crucial factors.
- Q:What is the difference between hot-dip galvanizing and electroplating of steel pipes?
- Steel pipes can be protected from corrosion using two different methods: hot-dip galvanizing and electroplating. To protect steel pipes using hot-dip galvanizing, they are immersed in a molten bath of zinc. The zinc reacts with the steel to create a strong and uniform coating that effectively prevents corrosion. This method is commonly used for outdoor applications and in harsh environments where the pipes are exposed to water or chemicals. In contrast, electroplating involves depositing a thin layer of metal, usually zinc, onto the surface of the steel pipes using an electric current. The steel pipes act as the cathode, and a zinc anode is placed in a solution containing zinc ions. The electric current causes the zinc ions to react with the steel and form a thin coating. Electroplating is often chosen for indoor applications or when aesthetics are a priority. Hot-dip galvanizing generally provides a thicker and more durable coating compared to electroplating. The hot-dip galvanized coating is several times thicker than the electroplated zinc coating, offering better corrosion protection and a longer lifespan for the pipes. The appearance of the coatings also differs. Hot-dip galvanizing results in a matte gray finish, while electroplating can give a more lustrous and shiny appearance. Cost-wise, hot-dip galvanizing is more cost-effective for larger projects because it can coat multiple pipes simultaneously. On the other hand, electroplating is usually more expensive and time-consuming, especially for larger quantities of steel pipes. Ultimately, the choice between hot-dip galvanizing and electroplating depends on the specific requirements of the project, including the intended application, environment, aesthetics, and budget constraints.
- Q:What is the difference between API 5L and ASTM A53 steel pipes?
- API 5L and ASTM A53 are widely utilized carbon steel pipe standards with similar purposes but notable distinctions. 1. In terms of scope, API 5L pertains to seamless and welded pipes for transporting oil, gas, water, and other fluids. It encompasses plain-end, threaded-end, and belled-end pipe types. Conversely, ASTM A53 is a standard specification for seamless and welded black and hot-dipped galvanized steel pipes utilized in mechanical and pressure applications. 2. The manufacturing processes differ, as API 5L pipes undergo hot-rolling, while ASTM A53 pipes undergo either hot-rolling or cold-drawing. This variance affects the chemical composition and mechanical properties of the pipes. 3. Generally, API 5L pipes have a higher carbon content compared to ASTM A53 pipes. This discrepancy arises from the intended use of API 5L pipes for conveying oil, gas, and water, necessitating greater strength and durability. On the other hand, ASTM A53 pipes cater to mechanical and pressure applications, where lower carbon content is deemed appropriate. 4. API 5L pipes exhibit higher minimum yield strength and tensile strength than ASTM A53 pipes. This outcome stems from the increased carbon content and more stringent manufacturing process employed for API 5L pipes. Conversely, ASTM A53 pipes possess lower yield and tensile strength requirements, rendering them more suitable for general-purpose applications. 5. API 5L pipes offer various coating options, including black varnish, 3PE, FBE, among others, depending on the specific application requirements. In contrast, ASTM A53 pipes are typically hot-dipped galvanized to enhance corrosion resistance. In conclusion, API 5L and ASTM A53 steel pipes differ in scope, manufacturing processes, chemical compositions, mechanical properties, and coating options. The appropriate choice of pipe hinges upon specific application requirements, such as the nature of the conveyed fluid, operating conditions, and desired strength and durability.
- Q:How are steel pipes used in the construction of underground parking structures?
- Steel pipes are used in the construction of underground parking structures for various purposes, such as providing structural support, drainage, and ventilation. They are commonly used as piles or caissons to support the weight of the structure and prevent it from sinking into the ground. Additionally, steel pipes are utilized for the installation of drainage systems to prevent water accumulation and ensure the structural integrity of the parking structure. They are also employed for ventilation purposes, allowing fresh air to circulate and remove any potentially hazardous gases. Overall, steel pipes are essential components in the construction of underground parking structures, ensuring their stability, safety, and functionality.
- Q:What is the difference between steel pipe and HDPE pipe?
- Steel pipe and HDPE pipe are two different types of pipes that are used for various applications. The main difference between steel pipe and HDPE pipe lies in their composition and characteristics. Steel pipe, as the name suggests, is made of steel and is a strong and durable pipe material. It is commonly used in industrial applications and infrastructure projects where high strength and reliability are required. Steel pipes are known for their ability to withstand high pressure, temperature, and heavy loads. They are also resistant to corrosion, making them suitable for both above-ground and underground installations. On the other hand, HDPE (high-density polyethylene) pipe is made of a plastic polymer called polyethylene. HDPE pipes are lightweight, flexible, and easy to install, making them ideal for various applications such as water supply, drainage systems, and agricultural irrigation. They are resistant to chemicals, abrasion, and UV rays, making them suitable for both indoor and outdoor use. HDPE pipes are also known for their long service life and low maintenance requirements. In terms of cost, steel pipes are generally more expensive than HDPE pipes due to the raw material cost and manufacturing process involved. However, steel pipes are often chosen for their superior strength and durability, especially in applications where high pressure or extreme conditions are involved. HDPE pipes, on the other hand, offer a cost-effective solution for applications that do not require the same level of strength and durability as steel pipes. In summary, the main differences between steel pipe and HDPE pipe lie in their composition, strength, durability, and cost. Steel pipe is known for its strength and reliability, while HDPE pipe offers flexibility, ease of installation, and resistance to chemicals and UV rays. The choice between the two depends on the specific application and requirements of the project.
- Q:Are steel pipes suitable for structural applications?
- Yes, steel pipes are suitable for structural applications due to their high strength, durability, and versatility. They are commonly used in various construction projects such as buildings, bridges, and infrastructure due to their ability to bear heavy loads, resist corrosion, and withstand extreme weather conditions.
- Q:How are steel pipes stored and transported?
- Steel pipes are typically stored in warehouses or open yards, stacked in an organized manner to prevent damage. They are often transported using trucks or railcars, secured with straps or clamps to ensure stability. For long-distance transportation, pipes may be bundled together or loaded onto flatbed trailers. Additionally, protective coatings are applied to prevent corrosion during storage and transportation.
- Q:What is the difference between seamless steel pipes and seamless alloy steel pipes?
- The main difference between seamless steel pipes and seamless alloy steel pipes lies in their composition. Seamless steel pipes are made from carbon steel, while seamless alloy steel pipes are made from various alloying elements such as chromium, nickel, or molybdenum. These alloying elements enhance the properties of the steel, making it more resistant to corrosion, higher in strength, and suitable for specific applications in industries like oil and gas, chemical, or power generation.
- Q:Can steel pipes be used for structural supports in buildings?
- Steel pipes have the capability to serve as structural supports in buildings. Their reputation for strength, durability, and ability to bear heavy loads is well-known. Their high tensile strength allows them to endure immense tension and compression without fracturing or distorting, making them an excellent choice for buildings that necessitate robust and stable supports. Steel pipes have numerous applications in construction, including as columns, beams, trusses, or even as the primary support for an entire structure. Moreover, they possess great versatility and can be easily fabricated and tailored to meet specific design requirements. Furthermore, steel pipes offer resistance to fire, corrosion, and pests, rendering them a dependable option for enduring structural support in buildings over the long term.
- Q:How are steel pipes used in the construction industry?
- Steel pipes are commonly used in the construction industry for various purposes such as transporting fluids, structural support, and underground installations. They are utilized in plumbing systems, HVAC systems, and for conveying water, oil, and gas. Additionally, steel pipes are employed in the construction of high-rise buildings, bridges, and other infrastructure projects due to their durability, strength, and resistance to corrosion.
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20''-60'' CARBON STEEL LSAW WELDED PIPE API/ASTM/JIS/DIN
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t
- Supply Capability:
- 300 m.t/month
OKorder Service Pledge
OKorder Financial Service
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