SPIRAL STEEL PIPE 42’‘ 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: Can steel pipes be used for water wells?
- Yes, steel pipes can be used for water wells. Steel pipes are commonly used in water well construction due to their durability, strength, and resistance to corrosion. They provide a reliable and long-lasting solution for extracting and transporting water from underground sources.
- Q: How are steel pipes insulated to prevent heat gain?
- Steel pipes are typically insulated using materials such as fiberglass, foam, or mineral wool. These insulation materials are wrapped around the steel pipes to create a barrier that reduces heat transfer. The insulation helps to prevent heat gain by minimizing thermal conductivity and keeping the temperature of the pipes stable, which is crucial for maintaining the integrity and efficiency of various industrial processes.
- Q: How are steel pipes protected against ultraviolet (UV) radiation?
- Coatings or paints can be applied to steel pipes to protect them from ultraviolet (UV) radiation. These coatings are designed to resist the damaging effects of UV radiation, such as fading, chalking, or degradation of the steel. One common method of protection involves using UV-resistant paints or polymeric coatings that contain additives or pigments capable of reflecting or absorbing UV rays. These coatings not only shield the steel from UV radiation but also provide an extra layer of corrosion protection, increasing the pipes' lifespan. Another method used for UV protection is applying thermal insulation materials. These materials, such as foam or coatings with reflective properties, help reduce the impact of UV radiation on the steel pipes. By acting as a shield, they prevent direct exposure to UV rays and minimize potential damage from prolonged exposure. It's essential to consider various factors, including the specific application, environmental conditions, and desired durability of the steel pipes, when choosing a UV protection method. Seeking advice from experts in the field can help determine the most suitable solution for a particular project or application.
- Q: How do you prevent corrosion in steel pipes?
- One effective way to prevent corrosion in steel pipes is by applying a protective coating, such as paint or epoxy, to the surface of the pipes. This barrier creates a physical barrier between the pipe and the surrounding environment, preventing moisture and corrosive agents from coming into direct contact with the steel. Additionally, regular inspection and maintenance of the pipes, including cleaning and repairing any damaged coating, can help identify and address potential issues before they lead to corrosion.
- Q: How are steel pipes used in the construction of nuclear power plants?
- Steel pipes are used in the construction of nuclear power plants for various purposes, including transporting coolant, steam, and gases, as well as providing structural support for the overall system. These pipes are specifically designed to withstand high pressures, extreme temperatures, and corrosive environments, ensuring the safe and efficient operation of the nuclear power plant.
- Q: Are there specifications for scaffold steel pipe with 48mm * 3.2mm?
- However, there are a variety of non GB steel tubes on the market, mainly in the wall thickness, and are thinner than the national standard requirements, you said that thickness may have, but the thinnest only about 2.6mm-2.7mm.
- Q: What are the different types of steel pipe fittings for gas pipelines?
- There are several types of steel pipe fittings commonly used for gas pipelines, including elbows, tees, reducers, couplings, and flanges. These fittings are essential for connecting and directing the flow of gas within the pipeline system.
- Q: What are the different types of corrosion that can affect steel pipes?
- There are several types of corrosion that can affect steel pipes, including uniform corrosion, pitting corrosion, crevice corrosion, galvanic corrosion, and stress corrosion cracking.
- Q: What quota is reserved for buried DN20 steel pipe?
- It is an embedded sleeve control sub item, if the reserved hole, then there is no need to cover, special subject structure adjustment factor of the cost of the water supply and drainage engineering, water supply and drainage engineering he is buried under the charge.
- Q: Can steel pipes be used for steam systems?
- Yes, steel pipes can be used for steam systems. Steel pipes are commonly used in steam systems due to their durability, high temperature resistance, and ability to handle high pressure.
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SPIRAL STEEL PIPE 42’‘ 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
OKorder Financial Service
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