Hot Dipped Galvanized steel Pipe Gold supplier

Hot Dipped Galvanized steel Pipe Gold supplier

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 4000 PCS

Supply Capability:: 30000 PCS/month

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Gold supplier Hot Dipped Galvanized steel Pipe Details

Thickness:	0.45 - 15 mm	Section Shape:	Round	Outer Diameter:	10.3 - 219 mm
Place of Origin:	Tianjin China (Mainland)	Secondary Or Not:	Non-secondary	Application:	Structure Pipe,Industry
Technique:	ERW	Certification:	ISO9001,ISO	Surface Treatment:	Galvanized
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Non-alloy	Brand Name:	TJXAHY
packing:	as your requirements	galvanized steel pipe:	galvanized steel pipe	galvanized pipe BS 1387-1985:	galvanized pipe BS 1387-1985
hot dip galvanized pipe:	hot dip galvanized pipe	Samples:	can be provided	product name:	Gold supplier !!!!! Hot Dipped Galvanized Pipe
Name:	Hot Dipped Galvanized steel Pipe	Grade:	10#,20#,45#,16Mn,A106(B,C),A335， P11,A53(A,B),Q195,Q215,Q235,Q345,10#-45#,A53-A369,Q195-Q345	Standard:	ASTM A106-2006,BS

Packaging & Delivery

Packaging Detail:	standard seaworthy packing
Delivery Detail:	7--20days after receiving the deposit

Gold supplier Hot Dipped Galvanized steel Pipe Specification

O.D	O.D tolerance	W.T	Thickness Tolerance
10.3--219MM	±0.03	0.6--10MM	±0.02
Length	2--12M,according to customers' requirements
Zinc coating	275--350g/m2
International Standard	ISO 9001;2008
Standard	ASTM A 53/BS 1387-1985
Material	Q195/Q215/Q235/Q345
Product Category :	Metallurgy,Mineral & Energy
Technique:	Welded
Usage	1.For low pressure liquid delivery such as water,gas and oil 2.For construction,e.g building greenhouse
Main market:	Middle east,Africa,North and South America,East and West Europe,South and southeast Asia,Australia
Place of Origin	China
HS code:	7306309000
Remarks	1)Payment term:T/T 2)Trade Terms:FOB/CFR/CIF 3)Minimum quantity of order:25 MT (25,000KGS) 4)Delivery period:10 to 30 Days.

Gold supplier Hot Dipped Galvanized steel Pipe Pictures

Gold supplier Hot Dipped Galvanized steel Pipe

Q: What are the different methods of pipe inspection for steel pipes?: Steel pipes can be inspected using various methods. Here are some commonly employed techniques: 1. Visual Inspection: Trained inspectors visually examine both the exterior and interior of the pipe to detect any visible defects or abnormalities. This preliminary method is often used before more advanced techniques are applied. 2. Magnetic Particle Inspection (MPI): By applying a magnetic field to the steel pipe and iron particles to its surface, inspectors can identify surface cracks or defects. Leakage of magnetic flux caused by these abnormalities can be detected with this method, which is particularly effective for ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that utilizes high-frequency sound waves to identify internal defects or anomalies in steel pipes. A transducer sends ultrasonic waves into the pipe, and reflections or echoes of the sound waves are analyzed to determine the presence of defects, such as corrosion, cracks, or variations in wall thickness. 4. Radiographic Testing (RT): This method involves using X-rays or gamma rays to create an image of the internal structure of the steel pipe. The resulting image reveals any defects, such as cracks, corrosion, or weld discontinuities. RT is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that utilizes electromagnetic induction to detect surface and near-surface defects in steel pipes. By passing a coil carrying an alternating current over the pipe's surface, any changes in electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET involves detecting and analyzing high-frequency acoustic signals emitted by materials undergoing deformation or damage. In the case of steel pipes, AET can monitor and identify defects like cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These methods are just a few examples of commonly used techniques for inspecting steel pipes. The choice of method depends on factors such as the type of defect being sought, accessibility of the pipe, desired sensitivity level, and cost and time constraints. Using a combination of inspection techniques is often recommended to ensure a thorough assessment of steel pipes.

Q: What is the difference between the stainless steel pipe welded pipe and seamless pipe?: Grain size: usually, the grain size of the metal is related to the heat treatment temperature and the time at which the metal is kept at the same temperature. Therefore, the welded pipe and seamless tube annealing of the same grain size. If the minimum tube cold treatment, the grain size of the weld metal is smaller than the grain size, welding or grain size is the same.Strength: the strength of the pipeline in the composition of the alloy and alloy containing the same and the same heat treatment of seamless tube and seamed tube essentially consistent strength. After the tensile test and three-dimensional vibration test, tube tearing almost all occurred in the welding point or away from the heated area where. This is because there is little impurity in the weld and the nitrogen content is slightly higher, so the strength of the welded joint is better than that of other parts. However, the ASME Boiler and Pressure Vessel Association believes that the seamed tube can withstand 85% of the allowable pressure, which is mainly due to improved welding equipment data collection prior to today. The provisions of ASME 100% completely under license by ultrasonic testing pressure tube. Similarly, Europe and Asia also stipulates that can ensure the quality of welding performance by eddy current test tube, the eddy current testing is subject to legal procedures and licensed institutions. Trent's eddy current test was approved by the Swedish power division. ASME believes the current loss is relatively small, high-quality performance based on the seamed tube.

Q: How do you determine the wall thickness of a steel pipe?: There are several methods available for determining the wall thickness of a steel pipe. The most commonly used and precise approach involves utilizing a caliper or micrometer to measure it. Initially, ensure that the pipe is thoroughly cleaned and devoid of any debris or rust. Subsequently, gently position the caliper or micrometer around the circumference of the pipe, making certain that it is perpendicular to the surface. Proceed to cautiously close the jaws of the measuring tool until they snugly fit against the pipe, taking care not to excessively tighten them and distort the shape. Once the jaws are closed, observe and take note of the measurement displayed on the tool. This reading corresponds to the distance between the inner and outer diameter of the pipe, which is equivalent to the wall thickness. Alternatively, if a caliper or micrometer is unavailable, a pipe wall thickness gauge can be utilized. These gauges are equipped with a series of pins or rollers that can be inserted into the pipe, providing an accurate measurement. Simply insert the pins into the pipe, ensuring proper alignment with the wall, and refer to the reading displayed on the gauge. It is crucial to note that when measuring the wall thickness of a steel pipe, multiple readings should be taken at various points along the pipe to account for any variations. This will yield a more precise average measurement.

Q: Can steel pipes be used for electrical conduits?: No, steel pipes are not typically used for electrical conduits as they are conductive and can pose a safety risk. Electrical conduits are usually made of non-conductive materials such as PVC or metal with insulating coatings.

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: Can steel pipes be used for drinking water supply?: Drinking water supply can indeed utilize steel pipes. For water distribution systems, steel pipes are widely employed owing to their robustness, longevity, and capacity to endure high pressures. Nevertheless, it is crucial to highlight that the steel employed in these pipes must be purposefully engineered and endorsed for potable water applications. This ensures the water remains uncontaminated by any detrimental substances. Furthermore, regular inspections and appropriate upkeep are imperative to avert the development of rust or corrosion, which may impact water quality.

Q: What are the common defects found in steel pipes?: Some common defects found in steel pipes include corrosion, cracks, dents, and leaks. Other defects may include misalignment, improper welding, and pipe wall thinning. These defects can lead to reduced structural integrity, compromised performance, and potential failure of the pipes. Regular inspections and maintenance are essential to identify and address these issues promptly.

Q: Can steel pipes be used for conveying oil?: Yes, steel pipes can be used for conveying oil. Steel pipes are commonly used in the oil and gas industry for transporting oil due to their strength, durability, and resistance to corrosion. The high strength of steel pipes allows them to withstand the high pressure and temperature conditions that are often associated with oil transportation. Additionally, steel pipes are less prone to leakage and damage compared to other materials, making them a reliable choice for conveying oil over long distances. Moreover, the smooth interior surface of steel pipes helps to minimize friction and enhance the flow of oil. Overall, steel pipes are a preferred option for oil transportation due to their superior mechanical properties and long-term performance.

Q: What are the main aspects of precision steel tubes?: Precision tube is a kind of seamless steel tube with high precision and high brightness produced by cold drawing or cold rolling.

Q: Can steel pipes be used for conveying hazardous materials?: Yes, steel pipes can be used for conveying hazardous materials. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for transporting various hazardous substances such as chemicals, gases, and liquids. Additionally, steel pipes can withstand high pressures and temperatures, ensuring the safe and efficient transportation of hazardous materials. However, it is important to ensure proper handling, maintenance, and adherence to safety regulations when using steel pipes for conveying hazardous materials.

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