SPIRAL STEEL PIPE 52‘‘ ASTM API LARGE DIAMETER PIPE
- 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's the difference between hot dip galvanizing and cold galvanizing? Which kind of galvanizing method is good?
- There are two kinds of hot dip galvanizing, zinc plated and non galvanized. The flowers must be hot-dip galvanized, without flowers, similar to galvanized.
- Q:What does cathodic protection of steel tubes mean?
- There are two ways of cathodic protection: sacrificial anode, cathodic protection and impressed current cathodic protection.Sacrificial anode: connect a living metal or alloy to a protective metal to form a galvanic cell. The active metal replaces the protected metal to lose electrons so that the protected metal is not corroded.
- Q:Are steel pipes suitable for use in pharmaceutical industries?
- Yes, steel pipes are suitable for use in pharmaceutical industries. Steel pipes are known for their durability, strength, and resistance to corrosion, making them ideal for transporting various pharmaceutical materials and fluids safely and hygienically. Additionally, steel pipes can withstand high pressure and temperature conditions, ensuring the integrity and efficiency of pharmaceutical manufacturing processes.
- Q:What is the difference between steel pipe and PVC pipe?
- Both steel pipe and PVC pipe are commonly utilized materials for plumbing and other construction purposes; however, they possess several distinct dissimilarities. To begin with, the materials themselves differ. Steel pipe is manufactured from a blend of iron and carbon, known as steel. This material is renowned for its robustness and durability, rendering it appropriate for high-pressure applications and subterranean installations. Conversely, PVC (polyvinyl chloride) pipe is crafted from a type of plastic called PVC. PVC pipe is characterized by its lightweight nature, flexibility, and ease of handling, making it a favored choice for residential plumbing and irrigation systems. Next, the installation process varies. Steel pipe necessitates skilled labor and specialized tools for cutting, threading, and welding. It frequently involves a complex installation procedure, particularly for larger pipe sizes. Conversely, PVC pipe can be effortlessly cut with a saw or specialized pipe cutter and joined together utilizing solvent cement or threaded fittings. This renders PVC pipe more suitable for DIY projects and simpler installations. Moreover, steel pipe incurs greater costs compared to PVC pipe. Steel is a pricier material, and the manufacturing process for steel pipe is more intricate, entailing multiple steps and additional materials. PVC pipe, as a plastic-based material, is generally less expensive and more cost-effective, particularly for smaller diameter applications. In terms of performance, steel pipe possesses greater tensile strength, can endure higher levels of pressure, and exhibits greater resistance to temperature fluctuations, rendering it ideal for heavy-duty and industrial applications. Conversely, PVC pipe possesses lower tensile strength but is resistant to corrosion, chemicals, and scale buildup. PVC pipe is commonly employed in residential plumbing, irrigation systems, and other non-industrial applications. To summarize, the primary disparities between steel pipe and PVC pipe revolve around the materials used, installation processes, costs, and performance characteristics. While steel pipe is sturdier and more suitable for heavy-duty applications, PVC pipe is lighter, easier to install, and more cost-effective for residential and non-industrial purposes.
- Q:What are the different types of coatings used for external protection of steel pipes?
- There are several types of coatings used for external protection of steel pipes, including but not limited to: epoxy coatings, polyurethane coatings, fusion bonded epoxy (FBE) coatings, coal tar coatings, and zinc coatings. Each coating offers unique properties and benefits, such as corrosion resistance, abrasion resistance, and UV protection, to ensure the longevity and durability of the steel pipes in various environmental conditions.
- Q:Does the seamless steel pipe need rust removal?
- Chemical and electrolytic methods are generally used for pickling treatment. The pipeline corrosion only uses chemical pickling, which can remove oxide, rust and old coating. Sometimes, it can be treated as sand blasting after rust removing. Two. Although chemical cleaning can make the surface reach a certain degree of cleanliness and roughness, but its anchor grain is shallow, and easy to pollute the environment.
- Q:How are steel pipes threaded for easy installation?
- Steel pipes are threaded for easy installation by using a specialized machine called a pipe threading machine. This machine cuts precise threads onto the ends of the steel pipes, allowing them to be easily connected and tightened together using threaded fittings or couplings. This threading process ensures a secure and leak-proof connection, making installation quick and efficient.
- Q:How do you determine the weight per foot of a steel pipe?
- To ascertain the weight per foot of a steel pipe, there are two primary factors to consider: the pipe's thickness and diameter. Initially, it is necessary to measure the pipe's outer diameter (OD) and wall thickness (WT) using either a caliper or a measuring tape. Upon obtaining these measurements, the inner diameter (ID) can be determined by subtracting twice the wall thickness from the outer diameter (ID = OD - 2 * WT). Subsequently, utilize the formula for the cross-sectional area of the pipe (A = π * (OD^2 - ID^2) / 4) to calculate the cross-sectional area. Lastly, multiply the cross-sectional area by the steel's density, typically around 490 pounds per cubic foot, to derive the weight per foot of the steel pipe. Weight per foot (WPF) = A * 490 It is vital to acknowledge that this calculation provides an approximation of the weight per foot, as manufacturing tolerances and slight variations in steel density may impact the actual weight. Thus, it is advisable to employ this calculation as a reference and consult the manufacturer's specifications for more accurate information.
- Q:How are steel pipes used in the manufacturing of agricultural machinery and equipment?
- Steel pipes are commonly used in the manufacturing of agricultural machinery and equipment due to their strength, durability, and versatility. These pipes are used for various purposes such as forming the structural framework, creating hydraulic systems, and providing conduits for fluid and air transportation. Whether it's for building tractor chassis, constructing irrigation systems, or manufacturing grain storage equipment, steel pipes play a crucial role in ensuring the reliability and efficiency of agricultural machinery.
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SPIRAL STEEL PIPE 52‘‘ ASTM API LARGE DIAMETER PIPE
- 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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