20'' 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:Can steel pipes be used for conveyor systems?
- Yes, steel pipes can be used for conveyor systems. Steel pipes are commonly used in conveyor systems due to their high strength, durability, and ability to withstand heavy loads and harsh environments. They provide a reliable and long-lasting solution for transporting various materials in conveyor applications.
- Q:How do you calculate the pipe pressure drop for steel pipes?
- To calculate the pressure drop in steel pipes, you can use the Darcy-Weisbach equation, which takes into account factors such as the pipe diameter, length, roughness, and the fluid flow rate. By plugging these variables into the equation, you can determine the pressure drop experienced by the fluid as it flows through the steel pipe.
- Q:How are steel pipes used in the manufacturing of shipbuilding?
- Steel pipes are used in the manufacturing of shipbuilding primarily for their strength, durability, and corrosion resistance. They are commonly used in various applications such as the construction of hulls, decks, bulkheads, and piping systems within the ship. The pipes are used for carrying fluids, gases, and other materials throughout the vessel, ensuring efficient operation and safety. Additionally, steel pipes are crucial for the installation of essential systems like water supply, fire-fighting, heating, and ventilation, contributing to the overall functionality and structural integrity of the ship.
- Q:What are the factors to consider when selecting steel pipes for a specific application?
- When selecting steel pipes for a specific application, factors such as pipe diameter, wall thickness, material grade, corrosion resistance, temperature and pressure requirements, environmental conditions, and cost should be considered. Additionally, factors like durability, strength, weight, ease of installation, and compatibility with other components in the system should also be taken into account.
- Q:How are steel pipes protected against external corrosion in coastal areas?
- To safeguard steel pipes against external corrosion in coastal regions, a combination of coating and cathodic protection methods is employed. An effective approach involves applying a protective coating onto the steel surface, forming a barrier against corrosive elements like saltwater and humidity present in the coastal environment. Commonly used coating materials, such as epoxy or polyethylene, possess corrosion-resistant properties and offer long-lasting protection. Furthermore, cathodic protection is utilized to enhance the corrosion resistance of the steel pipes. This technique employs sacrificial anodes or impressed current to prevent corrosion. Sacrificial anodes, typically made of zinc or aluminum, are attached to the steel pipe and corrode in place of the steel, sacrificing themselves to safeguard the steel surface. On the other hand, impressed current systems rely on an external power source to provide a protective current, effectively preventing corrosion. Ensuring the effectiveness of the protective coating and cathodic protection system necessitates regular inspection and maintenance. Coatings may degrade over time due to wear and tear, requiring periodic evaluation and reapplication if necessary. Similarly, sacrificial anodes must be replaced when depleted, and impressed current systems need to be monitored and adjusted to maintain the desired level of protection. By combining the application of durable coatings with cathodic protection measures, steel pipes in coastal areas can be adequately shielded against external corrosion, promoting their durability and optimal performance.
- Q:How are steel pipes used in the food and beverage industry?
- Steel pipes are commonly used in the food and beverage industry for various purposes such as transporting liquids, gases, and solids, as well as for structural support. These pipes are highly durable, corrosion-resistant, and can withstand extreme temperatures, making them ideal for handling food and beverage materials safely and hygienically. They are used in applications like conveying water, oils, and gases, as well as in food processing equipment, brewing systems, and dairy processing plants. Additionally, steel pipes are also utilized for storage tanks, piping systems, and infrastructure in the food and beverage industry.
- Q:What is the maximum bending radius for steel pipes?
- The maximum bending radius for steel pipes depends on various factors, such as the pipe diameter, wall thickness, and the type of steel used. Generally, larger diameter pipes with thicker walls have a larger maximum bending radius. However, it is important to follow industry standards and guidelines to ensure the structural integrity of the pipe is maintained during the bending process. Consulting the manufacturer's specifications or referring to relevant codes and standards, such as the American Society of Mechanical Engineers (ASME) B31.1 or B31.3, can provide specific information on the maximum bending radius for steel pipes in different applications.
- Q:What are the different types of coatings used for internal lining of steel pipes?
- There are several types of coatings used for the internal lining of steel pipes, including epoxy coatings, polyurethane coatings, cement mortar coatings, and thermoplastic coatings. These coatings help to protect the steel pipes from corrosion, increase their lifespan, and improve the flow of fluids through the pipes.
- Q:What does the diameter of a steel pipe project mean?
- Suppose we specify a standard that defines the nominal diameter of the same steel tube as G-1, then this G-1 is the same as DN50.I hope it doesn't make you any more confused, huh?. If you still don't understand, keep in mind that the nominal diameter is neither outside nor inside diameter.
- Q:What are the different types of joints used to connect steel pipes?
- There are several types of joints commonly used to connect steel pipes, including threaded joints, welded joints, flanged joints, and grooved joints.
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20'' 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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