3 Layers PP Steel Pipe
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
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Specifications of 3 Layers PP Steel Pipe,
3L PP coated steel pipe ,1st layer is Fusion Bonded Epoxy,2nd layer is Polymer Adhesive ,3rd layer is Polypropylene.
order |
item |
performance |
test method. | |
2PE |
3PE | |||
1 |
peeling strength (N/cm)20±5℃ 50±5℃ |
≥35 ≥25 |
≥60 ≥40 |
DIN30670 |
2 |
cathodic disbanding(mm) (65℃,48h) |
≤15 |
≤10 |
SY/T4013 |
3 |
impact strength (J/mm) |
≥8 |
DIN30670 | |
4 |
bending resistant (2.5°) |
No cracking of polyethylene |
SY/T4013 | |
5 |
Pinhole (25kv) |
No leak |
DIN30670 |
Standard: ASTM A106 ASME SA106
Grade:A B C
OD:21.3 - 406.4mm (1/2-16 inch)
WT:2-30mm
End:PE or Beveled
Chemical composition
Standard |
Grade |
Chemical composition(%) |
Mechanical Properties | |||||||||
C |
Si |
Mn |
PS |
Cr |
Mo |
Ni |
Cu |
V |
MPa |
| ||
ASTM A106 |
A |
≤0.025 |
≥ 0.10 |
0.27-0.93 |
≤0.35 |
≤0.04 |
≤0.15 |
≤0.04 |
≤0.04 |
≤0.08 |
≥ 330 |
≥ 205 |
B |
≤0.30 |
≥0.10
|
0.29-1.06 |
≤0.35 |
≤0.04 |
≤0.15 |
≤0.04 |
≤0.04 |
≤0.08 |
≥ 415 |
≥ 240 | |
C |
≤0.35 |
≥ 0.10 |
0.29-1.06 |
≤0.35 |
≤0.04 |
≤0.15 |
≤0.04 |
≤0.04 |
≤0.08 |
≥ 485 |
≥ 275 |
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- Q: Can steel pipes be galvanized?
- Yes, steel pipes can be galvanized. Galvanizing is a process of applying a protective zinc coating to steel or iron to prevent corrosion. The steel pipes are submerged in a bath of molten zinc, which forms a metallurgical bond with the steel, creating a corrosion-resistant coating. Galvanizing is commonly used in various applications, such as plumbing, construction, and outdoor structures, to extend the lifespan of steel pipes and prevent rusting.
- Q: SC15 what does galvanized steel pipe look like?
- Ordinary galvanized steel pipe, the outer diameter is 1.5 inches
- Q: What is the difference between ERW and SAW steel pipes?
- ERW (Electric Resistance Welded) steel pipes are manufactured by rolling metal sheets and then welding the seams using high-frequency electrical currents. SAW (Submerged Arc Welded) steel pipes, on the other hand, are formed by welding the seams using a submerged arc welding process. The main difference between the two lies in the welding method and the resulting quality of the weld. ERW pipes tend to have a smoother and more consistent weld, while SAW pipes have a slightly rougher weld due to the submerged arc process. Additionally, SAW pipes are generally used for larger diameters and thicker walls, while ERW pipes are commonly used for smaller diameters and thinner walls.
- Q: How are steel pipes used in the construction of stadiums?
- Steel pipes are used in the construction of stadiums for various purposes such as supporting the roof structure, creating the framework for seating areas, and providing a sturdy infrastructure for plumbing and ventilation systems.
- Q: What is the role of steel pipes in sewage systems?
- Steel pipes play a crucial role in sewage systems as they are used to transport wastewater and sewage from various sources to treatment plants or disposal areas. Their strength, durability, and resistance to corrosion make them ideal for handling the often harsh and corrosive nature of sewage. Additionally, steel pipes can withstand high pressures and provide a reliable and long-lasting solution for sewage transportation, ensuring the efficient and safe functioning of sewage systems.
- Q: What are the potential health hazards associated with steel pipe installation?
- Some potential health hazards associated with steel pipe installation include exposure to hazardous chemicals used in the coating or treatment of the pipes, inhalation of dust or fumes generated during cutting or welding, and physical injuries due to accidents or mishandling of heavy equipment. Additionally, improper handling or disposal of waste materials and contaminated water can pose environmental health risks. It is important to follow proper safety protocols, use personal protective equipment, and ensure proper ventilation and waste management to mitigate these hazards.
- Q: How are steel pipes insulated against heat loss?
- There are multiple ways to insulate steel pipes to prevent heat loss. One widely used method involves utilizing insulation materials like mineral wool or fiberglass wraps. These materials are wrapped around the pipes, forming a barrier that reduces heat transfer. Another approach involves directly applying insulation coatings like foam or rubber coatings onto the pipe's surface. These coatings create a protective layer that minimizes heat loss. Additionally, thermal tape or heat-resistant tape can be employed to seal any gaps or joints in the insulation, ensuring a continuous barrier against heat loss. In summary, effectively insulating steel pipes is crucial to maintaining the desired temperature of the fluid or gas being transported and enhancing energy efficiency across diverse industries.
- 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: What are the environmental impacts of steel pipe production and disposal?
- The production and disposal of steel pipes have significant environmental impacts. Firstly, the production of steel pipes requires the extraction of raw materials such as iron ore, coal, and limestone. This extraction process leads to habitat destruction, deforestation, and soil erosion. Additionally, mining and processing these materials require a considerable amount of energy, often derived from fossil fuels, contributing to greenhouse gas emissions and air pollution. The manufacturing process itself involves various stages, including melting, casting, rolling, and coating, all of which require substantial energy inputs and emit significant amounts of carbon dioxide and other greenhouse gases. Moreover, the production of steel pipes involves the use of chemicals and additives that can be harmful to the environment if not managed properly. Furthermore, during the disposal of steel pipes, if not recycled or properly managed, they can end up in landfills, contributing to waste accumulation and taking up valuable space. Steel is generally non-biodegradable and can take hundreds of years to decompose. When steel pipes are dumped in landfills, they can release toxic substances and heavy metals, which can contaminate soil and groundwater. However, it is important to note that steel pipes are highly recyclable, and recycling them significantly reduces the environmental impact. Recycling steel pipes helps conserve natural resources, reduces energy consumption, and lowers greenhouse gas emissions. Additionally, using recycled steel in the production of new pipes requires less energy and results in fewer emissions compared to using virgin materials. To minimize the environmental impacts of steel pipe production and disposal, it is crucial to promote sustainable practices throughout the entire lifecycle of the product. This includes reducing energy consumption, utilizing renewable energy sources, implementing proper waste management strategies, and encouraging the recycling and reuse of steel pipes.
- Q: What kinds of steel pipe are divided into?
- According to the weld shape can be divided into longitudinal welded pipe and spiral welded pipeStraight welded pipe: the production process is simple, high production efficiency, low cost, rapid developmentSpiral welded pipe: strength ratio of longitudinal welded pipe is high, with a narrow billet production of large diameter pipe, also can use the blank production of the width of the same diameter of different pipe. But with the same length of straight pipe, weld length of 30~100%, and the production rate is low. Therefore, the smaller diameter pipe most used straight large diameter pipe welding, mostly using spiral welding.Dividedagain general welded pipe, galvanized pipe, blowing pipe, wire tube, pipe metric, roller tube, deep well pump, tube for automobile, transformer tube, welding, welding of thin-walled tube shaped tube and spiral welded pipe.General general pipe: pipe used for conveying the low-pressure fluid. Q195A, Q215A and Q235A made of steel. Also can be used for easy welding of mild steel. The other pipe to conduct water pressure, bending and flattening test, have certain requirements on the surface quality, usually the delivery length is 4-10m, often requires a fixed length (or size) of delivery. The specifications of welded pipe with nominal diameter (mm or inches) nominal diameter and different pipe wall thickness, according to the provisions of general steel and thicker steel two, steel pipe end is divided according to form of threaded and non threaded two.
1. Manufacturer Overview
Location | Cangzhou,China |
Year Established | 2010 |
Annual Output Value | 200 million square meters |
Main Markets | Main land;Middle East;Southeast Asia |
Company Certifications | ISO 9001 |
2. Manufacturer Certificates
a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability
a) Trade Capacity | |
Nearest Port | Tianjin |
Export Percentage | 41% - 50% |
No.of Employees in Trade Department | less than 10 |
Language Spoken: | English;Chinese |
b) Factory Information | |
Factory Size: | 20,000 square meters |
No. of Production Lines | 2 |
Contract Manufacturing | OEM Service Offered;Design Service Offered |
Product Price Range | Average |
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3 Layers PP Steel Pipe
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
OKorder Financial Service
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