ERW grooved pipes with ASTM and BS standard

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Specifications

Grooved ends steel pipe,welded steel pipe
Q235,ASTMA53GRB Size:1"-12" Od.
Seamless grooved ends pipe

GROOVED STEEL PIPE

Coated pipe
ERW	Standard	JIS ANSI ASME GB DIN BS API
	Grade	Q235(10#) Q345(16Mn) 20# X42-X65 J55
	Out Diameter	33.4--406mm (1---16 inch)
	Thickness	3--14mm (0.12---3/5 inch)
SSAW	Standard	JIS ANSI ASME GB DIN BS API
	Grade	Q235B Q345(16Mn) A252 GR2,GR3 20# API 5L GRB X42-X100 PSL1,PSL2
	Out Diameter	219--2220mm (8---88 inch)
	Thickness	6--30mm (1/3---4/5 inch)
SEAMLESS	Standard	JIS ANSI ASME GB DIN BS API
	Grade	10# 20# 45# K55 J55 ST37 ST52 X42-X70 Q345(16Mn)
	Out Diameter	139.7--406mm (5-1/2---16 inch)
	Thickness	4--30mm (1-1/2---11/2 inch)
Length		12m or as customers requirement
Manufacture Technique		ERW/SSAW/SEAMLESS
Surface Treatment		varnish coating or as customers requrement
Section Shape		round
Ends		Beveled or square cut, plastic capped
Alloy or not		Non-alloy
Packaging Details		export packing or negotiation
Payment Terms		L/C D/P T/T
Usage		water transport/boiler use/Chemical use/Construction use,Oil and Gas transport,drill water
Delivery Time		within 25 days after sign the contract
Minimum Order Quantity		10 Ton
Supply Ability		2000 Ton/Month

Q:What does "buried steel pipe" 6*2SC100 mean?: The embedded steel pipe 6*2SC100 refers to a welded steel pipe with 2 pipe thicknesses of 6mm and a diameter of 100mm. SC pipe means welded steel pipe. Embedment means pre installation (burial).

Q:How are steel pipes transported from the manufacturing site to the construction site?: Steel pipes are typically transported from the manufacturing site to the construction site through various means, including trucking, rail transportation, and sometimes even by barges or ships for longer distances. The chosen mode of transportation depends on factors such as the distance between the sites, the quantity and size of the pipes, and the available infrastructure.

Q:How do you calculate the pipe pressure loss coefficient for steel pipes?: To calculate the pipe pressure loss coefficient for steel pipes, you can use the Darcy-Weisbach equation, which is a widely accepted method for determining the pressure loss in pipes due to friction. The equation is as follows: ΔP = f × (L/D) × (V^2/2g) Where: - ΔP is the pressure loss (in units of pressure, such as psi or Pa) - f is the Darcy friction factor (dimensionless) - L is the length of the pipe (in units of length, such as feet or meters) - D is the diameter of the pipe (in units of length, such as feet or meters) - V is the velocity of the fluid flowing through the pipe (in units of velocity, such as ft/s or m/s) - g is the acceleration due to gravity (in units of acceleration, such as ft/s² or m/s²) The Darcy friction factor (f) is a dimensionless parameter that represents the amount of frictional resistance in the pipe. For steel pipes, the friction factor can be determined using the Moody diagram, which is a graphical representation of the relationship between the Reynolds number (Re) and the friction factor (f) for different pipe roughness. To calculate the pressure loss coefficient, you need to find the value of the friction factor (f) based on the Reynolds number (Re) and the relative roughness of the steel pipe (ε/D). The Reynolds number is given by: Re = (ρ × V × D) / μ Where: - ρ is the density of the fluid (in units of mass per unit volume, such as lb/ft³ or kg/m³) - V is the velocity of the fluid (in units of velocity, such as ft/s or m/s) - D is the diameter of the pipe (in units of length, such as feet or meters) - μ is the dynamic viscosity of the fluid (in units of force per unit area per unit time, such as lb/ft·s or kg/m·s) Once you have the Reynolds number (Re) and the relative roughness (ε/D), you can use the Moody diagram to find the corresponding friction factor (f). The pressure loss coefficient (K) can then be calculated as: K = f × (L/D) Where: - L is the length of the pipe (in units of length, such as feet or meters) - D is the diameter of the pipe (in units of length, such as feet or meters) By using the Darcy-Weisbach equation and the Moody diagram, you can accurately calculate the pressure loss coefficient for steel pipes, which is essential for designing and analyzing fluid flow systems.

Q:Are steel pipes suitable for HVAC systems?: Yes, steel pipes are suitable for HVAC systems. They are commonly used in HVAC installations due to their durability, strength, and resistance to high temperatures and pressures. Steel pipes also provide excellent corrosion resistance, making them ideal for long-term use in heating, ventilation, and air conditioning systems.

Q:Can steel pipes be used for conveying liquids and gases?: Yes, steel pipes can be used for conveying both liquids and gases. Steel pipes are commonly used in various industries, including oil and gas, water supply, plumbing, and industrial processes, due to their strength, durability, and resistance to corrosion. They are capable of withstanding high pressure and temperature, making them suitable for transporting a wide range of liquids and gases such as water, oil, natural gas, steam, and chemicals. Additionally, steel pipes can be welded or threaded together, allowing for easy installation and maintenance.

Q:Can steel pipes be used for underground water lines?: Yes, steel pipes can be used for underground water lines. Steel pipes are commonly used for water distribution systems as they are durable, strong, and resistant to corrosion. However, it is important to consider the specific conditions and requirements of the project, as other types of pipes such as PVC or HDPE may be more suitable in certain situations. Proper coating and insulation should also be applied to steel pipes to protect against underground environmental factors.

Q:Can steel pipes be used for transporting chemicals?: Yes, steel pipes can be used for transporting chemicals. Steel pipes are known for their strength and durability, making them suitable for various applications, including the transportation of chemicals. Additionally, steel pipes are resistant to corrosion, which is crucial when dealing with potentially corrosive substances. However, it is important to ensure that the specific type of steel used in the pipes is compatible with the chemicals being transported to prevent any reactions or contamination.

Q:Are steel pipes resistant to impact or external forces?: Yes, steel pipes are generally resistant to impact and external forces. Steel is known for its high strength and durability, making it an ideal material for various applications, including pipes. Steel pipes have the ability to withstand external forces such as impact, pressure, and vibrations. They are often used in industries that require reliable and sturdy piping systems, such as oil and gas, construction, and infrastructure. Additionally, steel pipes are less prone to cracking or breaking under extreme conditions compared to other materials. However, the resistance to impact and external forces may also depend on the specific grade and thickness of the steel used in the pipes.

Q:Are steel pipes resistant to earthquakes?: Steel pipes are generally more resistant to earthquakes compared to other materials due to their strength and flexibility. However, their ability to withstand seismic events depends on various factors such as the design, installation, and support systems in place. Overall, steel pipes can provide a higher level of earthquake resistance, but proper engineering and construction practices are crucial to ensure their effectiveness.

Q:What is the difference between seamless steel pipes and seamless stainless steel pipes?: The main difference between seamless steel pipes and seamless stainless steel pipes lies in their composition. Seamless steel pipes are typically made from carbon steel, which is an alloy of iron and carbon. On the other hand, seamless stainless steel pipes are made from an alloy of iron, carbon, and chromium, which gives them enhanced corrosion resistance and durability. This makes seamless stainless steel pipes suitable for applications where resistance to corrosion is essential, such as in the food industry or in environments with high humidity or exposure to chemicals.

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