(232 products available)
Ready to Ship
Ready to Ship
The STK490 pipes are Japan's standard steel pipes for construction. They are used in various construction industry applications. The pipes have different specifications and grades suited to different applications. Here are the various types of STK490 pipes:
STK490 Black Steel Pipe
The pipe is made of low-carbon steel. It is popularly known as black steel because it has a black oxide coat on the outside to prevent rust. The STK490 black steel pipe is used for structural support and water conveyance. It is also used in the construction of railings and fences. The pipe is resistant to corrosion and has high strength.
STK490 Galvanized Steel Pipe
The galvanized steel pipe is also made from mild steel. It is known as galvanized steel pipe because it undergoes a zinc coating process to prevent rust. The STK490 galvanized steel pipe is used for water and gas lines. It is also used in architectural applications and fence posts. The pipe is cost-effective and has a long service life.
STK490 Stainless Steel Pipe
The stainless steel pipe is made from chromium-nickel alloy steel. It is resistant to rust and corrosion. The STK490 stainless steel pipe is used for medical equipment, food processing, and chemical industry applications. It is also used in high-end architecture and automotive applications. Further, the pipe has a high strength-to-weight ratio and is easy to maintain.
STK490 Structural Steel Pipe
The structural steel pipe is constructed with welded or seamless steel. It is designed for load-bearing applications. The STK490 structural steel pipe is used in the construction of bridges and buildings. It is also used in cranes and lifting devices. The pipe has high tensile strength and is highly durable.
STK490 Schedule 40 Steel Pipe
This is a medium-thickness pipe that is used in water and sewer lines. It is also used in HVAC systems and plumbing applications. The STK490 schedule 40 steel pipe is easy to weld and install. It has a good flow capacity. Additionally, it is cost-effective and widely available.
STK490 Seamless Steel Pipe
The seamless steel pipe is constructed without welding seams. It is made through extruding the metal until the pipe is formed. The STK490 seamless steel pipe is used in high-pressure applications. It is used in oil and gas transportation as well as water pipelines. The pipe has a uniform wall thickness. It also has high strength and is resistant to corrosion.
The STK490 pipes are used in different industries for various applications because they have high strength and excellent weldability. Some of their features include:
High Yield Strength
The yield strength of the STK490 pipes is about 490 N/mm². This high yield strength means the pipes can carry heavy loads without getting deformed or failing. These pipes are therefore used in applications that require structural integrity and strength. Examples of such applications include construction projects, bridges, and high-rise buildings.
Excellent Weldability
The pipes are designed for high-strength applications. They possess excellent weldability characteristics. This allows them to be joined using different welding methods. This includes TIG and MIG welding. The resulting welded joints have mechanical properties comparable to the parent material. This ensures structural integrity.
Thick Wall
The STK490 pipes have thick walls. This enhances their durability and resistance to external forces. The wall thickness also ensures they can withstand internal pressure. This makes them suitable for fluid transmission.
Corrosion Resistance
These pipes have high corrosion resistance. This improves their longevity and reliability in different environments and conditions. The resistance is important in mitigating pitting and galvanic corrosion. It is also important in overcoming physical damage and abrasion.
Formability
The pipes are made from hot-rolled steel. This gives them the ability to be bent or shaped into different forms and sizes without cracking or breaking. This makes these pipes ideal for applications requiring complex shapes and sizes.
Reduced Weight
The STK490 pipes are high-strength steel H-forms. This means that these structural steel products have a higher strength-to-weight ratio. This allows engineers and builders to use lighter steel sections. This in turn reduces the overall weight of a structure. A reduced weight of a structure can lead to reduced foundation costs.
The STK490 pipes are used in various industries and applications. Some of the common usage scenarios include:
Structural Applications
The pipes are used in construction projects. Their high yield strength makes them ideal for building frameworks. The pipelines support the load in bridges, buildings, and other structures. They are also used in high-rise construction. The STK490 pipes are welded together to form columns and beams in skyscrapers.
Transport of Fluids
These pipes are also used in fluid transmission. Their strength and durability make them ideal for transporting fluids. The STK490 pipes are used in oil and gas. They transport crude oil, natural gas, and other petroleum products. Additionally, the pipes are used in water supply. They are used to transport water in municipal systems, irrigation, and other applications.
Manufacturing Equipment
The pipes are used in the manufacturing of various equipment. Their strength and resistance to deformation under high pressure make them ideal for this application. The STK490 pipes are used in the construction of pressure vessels. These pipes can withstand high pressure and are used in applications such as storage tanks.
Heavy Duty Equipment
STK490 pipes are also used in the construction of heavy-duty equipment. For instance, in the construction industry, the pipes are used in the building of excavators, cranes, and other construction machinery. Their strength and ability to withstand harsh conditions make them ideal for these applications.
Marine Applications
These pipes are also used in the marine industry. Their ability to resist corrosion and high pressure makes them ideal for this application. The STK490 pipes are used in shipbuilding. They are used in the construction of ships, boats, and other marine vessels. The pipes are also used in offshore structures such as oil rigs.
Transportation Infrastructure
STK490 pipes are used in transportation infrastructure. Their strength and durability make them ideal for this application. The pipes are used in the construction of bridges and tunnels. They provide structural support and ensure the longevity of these structures. The STK490 pipes are also used in railways and highways.
Here are some tips for selecting the right pipe fittings:
Check the yield strength
Yield strength is the load at which a pipe can bend permanently. Engineers put pipes through tests to determine their yield strength before using them. The yield strength of STK490 steel is 490 megapascals. This means that the pipes will not bend under loads of 490 megapascals or less. Yield strength shows how much pressure a pipe can handle before it bends.
Look at the wall thickness
The thickness of the wall affects the yield strength. Thicker walls have more strength. But the pipe also gets heavier and costs more to make. A thin wall reduces weight and price but has less strength. Engineers balance these factors when choosing wall thickness.
Check the diameter
The outside diameter of the pipe needs to fit the project requirements. The OD affects how much fluid the pipe carries. A larger OD increases flow capacity.
Consider the length
STK490 pipes come in various lengths. Longer pipes reduce the number of connections needed. This makes installation easier and improves flow. But longer pipes are also harder to transport and install. Shorter pipes are convenient but require more connections. Engineers consider these trade-offs.
Match the application
STK490 steel pipes are used in many industries. These include construction, oil and gas, automotive, shipbuilding, and structural applications. Each industry has different requirements. So, engineers select the pipe grade most suitable for the job.
Assess Environmental Conditions
The environment where the pipe will be placed also matters. If there are harsh weather conditions, choose pipes with high corrosion resistance. STK490 has good anti-rust properties. So, it will work well in most environments.
Q1: What does STK mean in pipes?
A1: STK means ''Structural Tube, Korea'' in pipes. The next number indicates the grade of the pipe. For instance, in an STK 490 pipe, 490 is the strength of the pipe.
Q2: What does the S stand for in pipes?
A2: The S in pipes stands for ''Structural''. For instance, in an S235, the S stands for structural and 235 indicates the yield strength of the steel.
Q3: What does the S stand for in pipes?
A2: The S in pipes stands for ''Structural''. For instance, in an S235, the S stands for structural and 235 indicates the yield strength of the steel.
浙公网安备 33010002000092号
浙B2-20120091-4