• ASTM A500/JIS/EN Rectangular hollow section System 1
ASTM A500/JIS/EN Rectangular hollow section

ASTM A500/JIS/EN Rectangular hollow section

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
5000 m.t./month

Add to My Favorites

Follow us:


OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Product   Name

rectangular hollow section/ RHS

Size

Size:

10*10--500*500mm

Thickness:

0.45--16mm

Length:

3-12m

Steel Grade

Q195,Q215,Q235,Q345,16Mn, 20#

Standard

ASTM A500,EN10219,GB/T6728,GB/T6725,JIS G3466

Usage

1. For Structure, Airport, Railway

2. Construction and so on.

Ends

Plain end or By Your Choice

Surface

Bared Or With Oiled Or Galvanized

Technique

ERW ,Hot Rolled and Cold Rolled

Section Shape

Rectangular

Inspection

With Hydraulic Testing, Eddy Current ,   Infrared Test

Package

Bags, Bundle, In Bulk, Containers

MOQ

20 Metric Ton / Can Be Negotiated

Supply Ability

15,000 Metric Ton/Month

Date of Delivery

7 days(Qty within 1000 Metric Ton) or   According To The Quantity

Port of Shipment

Tianjin, China

Payment

L/C   T/T 


Q:How do you calculate the pipe pressure drop for steel pipes?
To calculate the pressure drop in steel pipes, you can use the Darcy-Weisbach equation, which takes into account factors such as the pipe diameter, length, roughness, and the fluid flow rate. By plugging these variables into the equation, you can determine the pressure drop experienced by the fluid as it flows through the steel pipe.
Q:What is the difference between steel pipes and ductile iron pipes?
Steel pipes and ductile iron pipes are both commonly used for plumbing and industrial applications, but there are notable differences between them. The main difference lies in their composition and mechanical properties. Steel pipes are made primarily from iron and carbon, with small amounts of other elements added for strength and corrosion resistance. On the other hand, ductile iron pipes contain a higher percentage of carbon and small amounts of other elements like silicon and manganese, which give them improved ductility and resistance to cracking. Consequently, steel pipes are typically stronger and more rigid, suitable for high-pressure applications, while ductile iron pipes offer better flexibility and impact resistance, making them ideal for underground installations and areas prone to ground movement. Additionally, steel pipes are usually more expensive than ductile iron pipes due to their higher strength and corrosion resistance.
Q:Are steel pipes resistant to ultraviolet (UV) radiation?
Ultraviolet (UV) radiation poses a threat to steel pipes as they do not possess inherent resistance. This type of radiation has the potential to induce degradation and discoloration in various materials, including steel. However, the extent of harm inflicted depends on several factors, including steel type, duration and intensity of UV exposure, and the presence of protective coatings or finishes on the pipes. Generally, uncoated steel pipes are more vulnerable to UV damage compared to those treated with protective coatings or finishes. Coatings such as epoxy or polyethylene act as a shield against UV radiation, effectively preventing steel degradation and discoloration. Hence, it becomes crucial to consider the specific application and environment when selecting steel pipes and implementing suitable protective measures to ensure their durability and performance.
Q:What is the maximum operating temperature for steel pipes?
The specific grade of steel used typically determines the maximum operating temperature for steel pipes. Carbon steel pipes, for instance, can generally endure temperatures ranging from 800-1000 degrees Fahrenheit (427-538 degrees Celsius). On the other hand, stainless steel or high-temperature alloys can withstand even higher temperatures, exceeding 1200-1500 degrees Fahrenheit (649-816 degrees Celsius). To determine the precise maximum operating temperature for a particular type of steel pipe, it is crucial to refer to the manufacturer's specifications or industry standards. This is because varying grades and compositions may have distinct temperature limits.
Q:What is the process of coating steel pipes?
The process of coating steel pipes involves several steps. First, the pipes are cleaned and prepared to remove any dirt, grease, or rust. Then, a primer is applied to the surface of the pipes to enhance adhesion. After the primer dries, a coating material such as epoxy, polyethylene, or zinc is applied using various methods like spraying, dipping, or wrapping. This coating material not only provides protection against corrosion but also acts as a barrier against external elements. Finally, the coated pipes are cured or dried to ensure the coating adheres properly and forms a durable layer, ready for use in various industries such as oil and gas, water supply, or construction.
Q:Can steel pipes be used for underground sewage treatment plants?
Yes, steel pipes can be used for underground sewage treatment plants. Steel is a durable and strong material that can withstand the harsh conditions found underground, such as soil erosion and pressure. Additionally, steel pipes are resistant to corrosion, which is critical for sewage treatment plants where exposure to chemicals and wastewater is common.
Q:What are the factors affecting the durability of steel pipes?
The factors affecting the durability of steel pipes include corrosion, temperature, pressure, mechanical stress, and the quality of the protective coatings or linings applied to the pipes. Additionally, the composition and purity of the steel used in the pipes, as well as the design and construction of the pipeline system, can also impact its durability.
Q:Can steel pipes be used for conveying abrasive slurries?
Yes, steel pipes can be used for conveying abrasive slurries. Steel pipes are known for their durability and strength, making them suitable for handling abrasive materials. Additionally, their smooth interior surface reduces friction and minimizes the risk of clogs or blockages caused by the abrasive particles present in slurries.
Q:What are the safety regulations for working with steel pipes?
The safety regulations for working with steel pipes may vary depending on the specific circumstances and location, but some common safety measures include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots, ensuring proper handling techniques to prevent injuries, using proper lifting equipment to prevent strain or back injuries, implementing proper ventilation and respiratory protection when working in confined or poorly ventilated spaces, and following proper procedures for welding, cutting, or bending steel pipes to minimize the risk of fire or explosions. It is essential to consult and adhere to local safety regulations and guidelines to ensure a safe working environment when dealing with steel pipes.
Q:How are steel pipes tested for pressure and leakage?
Steel pipes are tested for pressure and leakage through various methods including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and applying pressure to check for any leaks or weaknesses. Pneumatic testing involves using compressed air instead of water. Ultrasonic testing uses high-frequency sound waves to detect any flaws or defects in the pipe material. These testing methods ensure that steel pipes meet the required standards for pressure and leakage resistance.

1. Manufacturer Overview

Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range

Send your message to us

This is not what you are looking for? Post Buying Request

Similar products

New products

Hot products


Related keywords