Tube For Hydraulic Pillar Service Grade 45# Seamless Steel Pipe

Tube For Hydraulic Pillar Service Grade 45# Seamless Steel Pipe System 1

Tube For Hydraulic Pillar Service Grade 45# Seamless Steel Pipe

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: Negotiable m.t.

Supply Capability:: 5000 Tons Per Month m.t./month

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Specifications of Tube For Hydraulic Pillar Service Grade 45# Seamless Steel Pipe

Outside Diameter	1/2''---24''
Wall Thickness	SCH5 ------SXH XXS
Standard	API and ISO
Material	10# 20# 45# Q235 Q195 Q345
Origin	China
Certificate	API5L ISO9000 API 5CT
Technique	hot rolled
application	use for oil well, boilers, precision machines, petro-chemical, ship, structure pipe, building, fluid tubes, line pipe etc
Testing	we have professional testing equipments such as ultrasonic testing machine, eddy current testing machine, mechanics testing machine to make sure high quality
Tolerance:	WT TOLERANCE-5%+5%
Min Order	5 TON
Usage	Petroleum and natural gas industry, chemical industry, electric industry, flammable and non-flammable liquid transportation and steel construction, drainage project and city construction etc.
Package	in bulk , in bundle, standard seaworthy package
Length	1-12M
Delivery time	15-20 days after received the advanced payment
Packing	Black paint or varnish ,plastic caps with the both ends

Reference Standard Tube For Hydraulic Pillar Service Grade 45# Seamless Steel Pipe

Chinese Standard

American Standard

German Standard

10#

A53-A

St37

DIN1626

A106-A

St37-2

DIN17175

A179-C

St35-8

DIN17175

20#

ASTM A106-B

St45-8

DIN17175

ASTM A53-B

St42-2

DIN1626

ASTM 178-C

St45-4

DIN1629/4

45#

ASTM A 1045

CK45

16Mn

A210-C

St52

DIN1629/3

St52.4

DIN1629/4

Tube For Hydraulic Pillar Service Grade 45# Seamless Steel Pipe

Q: How are steel pipes measured and labeled?: Steel pipes are typically measured and labeled based on their diameter, wall thickness, and length. The diameter is measured in inches or millimeters, while the wall thickness is often expressed in inches or schedule numbers. The length is usually specified in feet or meters. Additionally, steel pipes may also bear labels indicating the type of steel used, industry standards compliance, and any specific certifications or markings required.

Q: Can steel pipes be used for conveying compressed air?: Indeed, compressed air can indeed be conveyed through steel pipes. In industrial settings, steel pipes find frequent use due to their ability to withstand high pressure and maintain durability. With their remarkable tensile strength, steel pipes prove capable of handling the immense pressures generated by compressed air systems. Furthermore, the resistance of steel pipes to corrosion becomes crucial when confronted with moisture within compressed air. Nevertheless, it remains vital to guarantee that the steel pipes are adequately sized and rated to meet the precise pressure and flow prerequisites of the compressed air system. Moreover, adhering to proper installation and maintenance practices becomes imperative to avert any potential leaks or failures.

Q: What are the different methods of measuring the thickness of steel pipes?: There are several methods of measuring the thickness of steel pipes. One common method is using ultrasonic thickness gauges, which send high-frequency sound waves through the pipe and measure the time it takes for the waves to bounce back. Another method is through magnetic induction, which uses a magnetic field to determine the thickness based on the changes in the field caused by the pipe's thickness. Additionally, there are mechanical methods such as using calipers or micrometers to directly measure the thickness of the pipe.

Q: What is the difference between steel pipes and FRP pipes?: Steel pipes and FRP (Fiber Reinforced Plastic) pipes are two different types of pipes that are commonly used in various industries and applications. Here are the key differences between the two: 1. Material Composition: Steel pipes are made of steel, which is an alloy of iron and carbon, with additional elements like manganese, silicon, and traces of other metals. On the other hand, FRP pipes are composed of a polymer matrix reinforced with fibers, such as glass or carbon fibers. 2. Strength and Durability: Steel pipes are known for their high strength and durability. They can withstand high pressures, heavy loads, and extreme temperatures. FRP pipes, although strong and durable, are comparatively lighter in weight and may not have the same level of strength as steel pipes. However, they are corrosion-resistant and have a longer lifespan in corrosive environments. 3. Corrosion Resistance: Steel pipes are prone to corrosion and require protective coatings or linings to prevent rust and deterioration. FRP pipes, on the other hand, are inherently corrosion-resistant. They do not require additional coatings and are suitable for transporting corrosive fluids or operating in corrosive environments. 4. Installation and Maintenance: Steel pipes require specialized welding or threading techniques for installation. They can be more labor-intensive and time-consuming to install, especially in complex or large-scale projects. FRP pipes, on the other hand, are lightweight and can be easily transported and installed. They often come in pre-fabricated sections, making installation faster and less labor-intensive. Additionally, FRP pipes require minimal maintenance compared to steel pipes. 5. Cost: Steel pipes are generally more expensive than FRP pipes due to the higher cost of raw materials and the need for additional corrosion protection measures. FRP pipes offer a cost-effective alternative, especially in applications where corrosion resistance is essential, as they eliminate the need for expensive coatings or linings. Overall, the choice between steel pipes and FRP pipes depends on the specific requirements of the application. Steel pipes are preferred for their high strength, while FRP pipes offer benefits such as corrosion resistance, lightweight, and cost-effectiveness.

Q: What are the common defects found in steel pipes?: Some common defects found in steel pipes include corrosion, cracks, pitting, scaling, and distortion.

Q: What kind of argon arc welding wire is used for 16Mn steel pipe?: 16Mn steel belongs to carbon manganese steel, the content of carbon is about 0.16%, and the yield point is equal to 343MPa (strength grade is 343MPa). 16Mn steel alloy content is less, good weldability, welding generally without preheating. But because the 16Mn steel hardened tendency is slightly larger than the low carbon steel, so at low temperatures (such as winter outdoor operations) or welding in high rigidity, large thickness of the structure, in order to prevent the cold crack, need to take measures to preheat.

Q: How do you calculate the weight of steel pipes?: To calculate the weight of steel pipes, you would need to know the dimensions of the pipe, including its outer diameter, inner diameter, and length. By using the formula for the volume of a cylinder, which is πr²h, where r is the radius (half the diameter) and h is the height or length of the pipe, you can calculate the volume of the pipe. Then, by multiplying the volume by the density of steel, which is typically around 7850 kg/m³, you can determine the weight of the steel pipe.

Q: What are the different methods of pipe joining using steel pipes?: Some of the different methods of pipe joining using steel pipes include butt welding, socket welding, threaded connections, and flange connections.

Q: What are the different types of steel pipe coatings for corrosive environments?: There are several types of steel pipe coatings specifically designed for corrosive environments. Some common options include fusion-bonded epoxy (FBE) coatings, liquid epoxy coatings, polyethylene (PE) coatings, and polyurethane (PU) coatings. These coatings provide a protective layer to prevent corrosion and extend the lifespan of the steel pipes in various corrosive conditions.

Q: How does the price of steel pipes fluctuate?: The price of steel pipes can fluctuate due to several factors, including changes in raw material costs, supply and demand dynamics, global economic conditions, and trade policies. For example, a rise in the cost of iron ore or other metals used in steel production can lead to an increase in the price of steel pipes. Similarly, a decrease in demand for construction or infrastructure projects can lower the demand for steel pipes, leading to a decrease in prices. Additionally, changes in trade policies, such as tariffs or restrictions on imports or exports, can also impact steel pipe prices. Overall, the price of steel pipes is influenced by various market forces and external factors, causing it to fluctuate over time.

Perfect detection system, our physical & chemical laboratory is equipped with test facilities included spectrum detection and metallographic analysis etc. The company has successively passed ISO9000 quality system, the American Petroleum Institute API, and also earned the environment healthy license, national special equipment manufacturing license.

1. Manufacturer Overview

Location	Henan, China
Year Established	2001
Annual Output Value	800,000Tons
Main Markets	Europe and the United States; Canada; India; South etc.
Company Certifications	API 5L; API 5CT; GB/T19001-2000 idt ISO9001:2000

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Qingdao; Lianyungang
Export Percentage	50% - 60%
No.of Employees in Trade Department	1000-1100 People
Language Spoken:	English; Chinese; Spanish
b) Factory Information
Factory Size:	Above 423,000 square meters
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	Average