SPIRAL STEEL PIPE 54‘‘ ASTM API LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 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
Spiral Welded Steel Pipes and Tubes
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 |
- Q:What is the difference between steel pipes and ductile iron pipes?
- Steel pipes and ductile iron pipes are both commonly used for plumbing and industrial applications, but there are notable differences between them. The main difference lies in their composition and mechanical properties. Steel pipes are made primarily from iron and carbon, with small amounts of other elements added for strength and corrosion resistance. On the other hand, ductile iron pipes contain a higher percentage of carbon and small amounts of other elements like silicon and manganese, which give them improved ductility and resistance to cracking. Consequently, steel pipes are typically stronger and more rigid, suitable for high-pressure applications, while ductile iron pipes offer better flexibility and impact resistance, making them ideal for underground installations and areas prone to ground movement. Additionally, steel pipes are usually more expensive than ductile iron pipes due to their higher strength and corrosion resistance.
- Q:Can steel pipes be used for swimming pool installations?
- Indeed, swimming pool installations can make use of steel pipes. Renowned for their robustness and power, steel pipes emerge as an apt alternative for both subterranean and aboveground swimming pool plumbing systems. These pipes possess the capacity to endure elevated water pressure and resist the deteriorating impact of pool chemicals. Moreover, steel pipes exhibit resilience against harsh weather conditions and can be effortlessly installed and maintained. Nevertheless, it remains crucial to guarantee appropriate treatment and coating of the steel pipes to avert rust and corrosion.
- Q:Can steel pipes be painted?
- Yes, steel pipes can be painted. Painting steel pipes not only enhances their appearance but also provides protection against corrosion and rust. The process typically involves cleaning the pipes thoroughly, applying a primer, and then coating them with a suitable paint.
- Q:Can steel pipes be used for scaffolding?
- Yes, steel pipes can be used for scaffolding. They are commonly used in construction projects as they provide strength, durability, and stability required for supporting workers and materials at elevated heights. Steel pipes are known for their load-bearing capacity and can be easily assembled and disassembled, making them a suitable choice for scaffolding systems.
- Q:What is the process of coating steel pipes?
- The process of coating steel pipes involves several steps. First, the pipes are cleaned to remove any dirt, rust, or other contaminants. Then, a primer is applied to enhance adhesion and provide a protective layer. Next, the pipes are coated with a specialized coating material, such as epoxy, polyethylene, or zinc, depending on the desired level of corrosion resistance. This coating is applied using various methods, including spraying, dipping, or wrapping. Finally, the coated pipes undergo a curing process, which allows the coating to harden and form a durable barrier against corrosion.
- Q:Can steel pipes be used for underground culverts?
- Indeed, underground culverts can utilize steel pipes. Renowned for their robustness, longevity, and ability to withstand diverse environmental influences, steel pipes are ideal for subterranean applications. They exhibit exceptional resilience to substantial burdens, intense hydrostatic pressure, and the erosive impact of soil and water. Moreover, steel pipes offer a range of dimensions and thicknesses, enabling customization to meet precise project prerequisites. Nevertheless, prudent consideration must be given to variables such as soil attributes, water table elevations, and the likelihood of corrosion during the selection of the most fitting steel variant and protective coatings for the pipes.
- Q:The difference between 12Cr1MoVG alloy steel tube and 15CrMo
- 15CrMo is a steel Pearlite Heat-resistant steel, has high heat resistance at high temperature (b = 440MPa) and antioxidant activity, and has certain ability of anti hydrogen corrosion. Because of the high content of Cr, C and other alloy elements in steel, the tendency of hardening of steel is obvious, and the weldability is poor.
- Q:What is the difference between ERW (Electric Resistance Welded) and LSAW (Longitudinal Submerged Arc Welded) steel pipes?
- ERW steel pipes are manufactured by high-frequency electrical currents passing through the metal, resulting in a welded joint. On the other hand, LSAW steel pipes are produced by submerging a metal plate into a welding zone, creating a welded joint through the use of a welding arc. The main difference lies in the welding process, with ERW pipes being more suitable for small to medium-sized diameters, while LSAW pipes are commonly used for larger diameter and thicker-walled applications.
- Q:Are steel pipes resistant to UV radiation?
- Generally, steel pipes have resistance to UV radiation. UV radiation is known to cause damage to materials over time, resulting in fading, discoloration, and degradation. However, steel pipes usually have protective layers, such as paint or galvanization, that help shield them from UV radiation. These coatings act as a barrier, preventing direct exposure of the steel to UV rays and minimizing potential damage. Furthermore, steel's inherent properties, including strength and durability, make it less susceptible to the effects of UV radiation compared to materials like plastics or rubber. Nevertheless, it is important to note that prolonged exposure to intense UV radiation can still have some impact on steel pipes, such as slight discoloration or surface degradation. To ensure the continued performance and longevity of steel pipes in outdoor or UV-exposed environments, regular maintenance and inspection are recommended.
- Q:How are steel pipes used in the manufacturing of scaffolding?
- Steel pipes are commonly used in the manufacturing of scaffolding as they provide a strong and durable framework. They are used to create the main structure of the scaffolding, providing support and stability for workers and materials. The pipes are typically joined together using fittings, allowing for easy assembly and disassembly of the scaffolding system. Additionally, steel pipes can be easily adjusted to different heights and configurations, making them a versatile choice for scaffolding construction.
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SPIRAL STEEL PIPE 54‘‘ ASTM API LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 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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