Galvanized Steel Circle Pipe Q345 Grade

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 100 m.t.

Supply Capability:: 1000 m.t./month

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Galvanized Steel Circle Pipe Q345 Grade

Description for Galvanized Steel Circle Pipe :

Type	Galvanized Steel Circle Pipe
Steel Grade	Q345,Q195,215,Q235,
Steel Grade	HRB400E,HRB500E ,Q235 , Q195
Size	DIA 13-25.4mm, 18-25.4mm,25.4-34mm,34-50.8mm,50.8-79.2mm
Thickness	0.5-1.5mm,1.5-2.0mm,0.7-2.0mm,0.8-3.0mm,1.0-3.0mm
Application	Building/project construction
Packing	5.5mm-10mm:packing In coil. 10mm-32mm:in bundle.
MOQ	300tons ( trial order 100tons acceptable ).
Capacity	150000tons /month.
Delivery Time	15days after the order confirmation .
Payment	T/T , West Union , Cash , L/C.
Trade Terms	FOB, CFR, CIF ,EXW
Trans term	FIO , FILO , FLT

Datas Chart for Galvanized Steel Circle Pipe :

Content	C%	Mn%	Si%	P%	S%	V%	Ceq%
HRB335	0.17-0.25	1.00-1.60	0.40-0.80	≤0.045	≤0.045		≤0.52
HRB400	0.20-0.25	1.30-1.60	0.40-0.80	≤0.035	≤0.035	0.05-0.08	≤0.54
HRB500	0.25	1.6	0.80	≤0.045	≤0.045		≤0.55
HRB500E	0.20-0.24	1.20-1.50	0.40-0.65	≤0.045	≤0.045	0.050-0.120	≤0.55

Main Structure of Galvanized Steel Circle Pipe

l Mechanics Performance

Grade	Technical data of the original chemical composition(%)
	C	Mn	Si		S	P	Ceq
HRB500	≤0.25	≤1.60	≤0.80		≤0.045	≤0.045	≤ 0.55
	Mechanical Characterics
	Yield Strength (N/cm2)			Tensile Strength (N/cm2)		Elongation (%)
	≥500			≥630		≥14

l Mechanics Performance

Grade	Technical data of the original chemical composition(%)
	C	Mn	Si	S	P	Ceq
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	≤ 0.54
	Physics capability
	Yield Strength (N/cm2)		Tensile Strength (N/cm2)		Elongation (%)
	≥400		≥570		≥16

FAQ:

Why should you choose us:

Stable quality ----continous casting hot rolled production techenic, strictly quality control system.
Lower price -------Not the cheapest but the lowest price at the same quality .
Good service -----Satisfactory service within 24hours.
Delivery time ------15-25days for the mass production .
Discount---------------discount base on monthly large quantity purchase in long term.

Picture:

Galvanized Steel Circle Pipe Q345 Grade

Q:How are steel pipes insulated to prevent freezing?: Steel pipes are insulated to prevent freezing by wrapping them with insulation materials such as foam or fiberglass, which helps to maintain the temperature of the pipe and prevents the transfer of cold air. Additionally, pipes can be buried underground below the frost line to protect them from freezing temperatures.

Q:What are the different manufacturing standards for steel pipes?: There are several different manufacturing standards for steel pipes, including American Society for Testing and Materials (ASTM), International Organization for Standardization (ISO), and American Petroleum Institute (API). These standards outline the requirements for various aspects of steel pipe manufacturing such as dimensions, material composition, mechanical properties, and testing procedures. Compliance with these standards ensures that steel pipes meet the necessary quality and performance requirements for their intended applications.

Q:How are steel pipes protected against UV radiation?: Steel pipes are typically protected against UV radiation by applying a coating or paint that contains UV stabilizers. These stabilizers help to prevent the degradation and discoloration of the steel caused by prolonged exposure to sunlight and UV rays.

Q:What are the common uses of steel pipes in construction?: Steel pipes are commonly used in construction for various purposes such as carrying water, gas, and sewage, as well as for structural support in building frameworks, bridges, and underground piping systems. They are also used in the transportation of fluids and materials, making them essential in industries like oil and gas, manufacturing, and infrastructure development.

Q:Are steel pipes suitable for pharmaceutical manufacturing facilities?: Indeed, steel pipes prove to be a fitting option for pharmaceutical manufacturing facilities. Their outstanding resistance to corrosion and durability make them a prevalent choice in this industry. They are capable of enduring high levels of pressure and temperature, rendering them perfect for a wide range of purposes, including fluid, gas, and chemical transportation within the facility. Moreover, steel pipes possess the advantage of effortless cleaning and sanitization, guaranteeing the preservation and safety of pharmaceutical products. Additionally, they offer cost-effectiveness and boast an extended lifespan, solidifying their status as a dependable choice for pharmaceutical manufacturing facilities.

Q:How do steel pipes handle chemical exposure?: Steel pipes are generally known for their excellent resistance to chemical exposure. The high strength and durability of steel make it a reliable material for handling various chemicals. Steel pipes can withstand exposure to a wide range of corrosive substances such as acids, alkalis, solvents, and gases without experiencing significant degradation or damage. One of the main reasons steel pipes handle chemical exposure well is due to their inherent corrosion resistance. Steel is naturally resistant to corrosion and can form a protective oxide layer on its surface, which acts as a barrier against chemical attack. Additionally, steel pipes can be coated or lined with corrosion-resistant materials such as epoxy, polyethylene, or cement to provide extra protection against aggressive chemicals. Moreover, steel pipes are commonly used in industrial applications where they come into contact with different types of chemicals. They are extensively used in chemical plants, refineries, water treatment facilities, and other industries where chemical transportation or storage is required. Steel pipes can handle the high pressures and temperatures associated with these processes while maintaining their structural integrity and chemical resistance. However, it is important to note that the resistance of steel pipes to chemical exposure can vary depending on the specific type and concentration of the chemical. Some highly corrosive substances may require additional measures such as specialized coatings or alloys to ensure long-term protection. In summary, steel pipes are generally well-suited for handling chemical exposure due to their inherent corrosion resistance, durability, and versatility. Their ability to withstand a wide range of corrosive substances makes them a reliable choice for various industrial applications involving chemical transportation and storage.

Q:Fastener type steel pipe scaffold steel pipe wall thickness: The scaffolding steel pipe should be specified with the current national standard "GB/T13793" or "straight seam welded steel pipe welded steel pipe for low pressure liquid delivery" GB/T3091 Q235 ordinary steel pipe; steel pipe steel quality should meet the requirements of current national standard grade Q235 steel "carbon structural steel" in GB/T700

Q:What is the abrasion resistance of steel pipes?: The abrasion resistance of steel pipes is high due to their hardness and durability, making them resistant to wear and tear caused by friction or rubbing against surfaces.

Q:Can steel pipes be used for transporting slurry?: Yes, steel pipes can be used for transporting slurry. Steel pipes are known for their durability and strength, making them suitable for handling abrasive materials like slurry. The smooth interior surface of steel pipes helps to minimize friction and prevent clogging, ensuring efficient transportation of slurry. Additionally, steel pipes can withstand high pressure and are resistant to corrosion, making them a reliable choice for slurry transport.

Q:Are steel pipes suitable for transporting fluids?: Yes, steel pipes are suitable for transporting fluids. They have high strength and durability, can withstand high pressure and temperature, and are resistant to corrosion, making them ideal for various fluid transportation applications such as oil, gas, water, and sewage.

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