Q195 TMT Steel Bars Hot Rolled Bars System 1

Q195 TMT Steel Bars Hot Rolled Bars

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 50000 m.t./month

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Item specifice

Type:

Carbon Steel

Shape:

Steel Round Bar

Q195 TMT Steel Bars Hot Rolled Bars

Product Details:

Standard	GB(HRB335/HRB400/HRB500);
	BS4449 -1997 GRADE 250B, 460B; BS4449-2005 GRADE 500B;
	ASTM A615 GRADE 40,GRADE60,GRADE75; ASTM A706;
	DIN488-1 420S/500S, BST500S
	JIS G3112 SD35, SD40, SD50,SD390
	NFA 35016 FE E 400, FE E 500
	CA 50/60
	GOST A3 R A500C
Surface finished	Screw-thread
Production capacity	50,000 MT/month
Payment term	T/T or 100% L/C at sight
Package	By bundles. One bundles about 2tons

Specification:

Diameter (mm)	Weight (kg/m)
8	0.395
9	0.499
10	0.617
11	0.746
12	0.888
13	1.04
14	1.21
15	1.39
16	1.58
17	1.78
18	2
19	2.23
20	2.47
21	2.72
22	2.98
23	3.26
24	3.55
25	3.85
28	4.83
32	6.31
36	7.99
40	9.87
50	15.42

Advantage:

· SGS and BV Audited company .

· We offer competitive price with great service .
· Finished Product Inventory-More Than 50000 Tons.

· We have win high reputation based on best quality products.

· We have the most convenient transport and fast delivery.

· We have high technical production line with top quality products.

Application:

Q195 TMT steel bar is a practical construction steel materials. It is widely used as the fitting bar for various steel bar concrete structure engineering and making of various construction components. With its high strength and the fixing strength with concrete, its sufficient plastic property, it can enhance the technical and the quality of the engineering, reduce the cost of raw materials and the cost of engineering at the same time. The finished products can be round coil or straight sizes.

Product Show:

Q195 TMT Steel Bars Hot Rolled Bars

Q:Can special steel be used in the power generation industry?: Yes, special steel can be used in the power generation industry. Special steel alloys are often used for critical applications such as turbine blades, rotors, and other components in power plants. These steels possess high strength, resistance to corrosion, and heat resistance, making them suitable for the harsh operating conditions and high temperatures found in power generation equipment.

Q:What are the different tool steel alloys?: Some examples of tool steel alloys include A2, D2, O1, S7, H13, and M2.

Q:What are the different medical grades of special steel?: There are various medical grades of special steel used in the healthcare industry, including 316L, 316LVM, 304L, and 17-4PH. Each grade has specific properties that make it suitable for different medical applications, such as surgical instruments, implants, and medical devices. These grades are carefully manufactured to meet strict standards of corrosion resistance, biocompatibility, and mechanical strength required in medical settings.

Q:What are the main factors affecting the wear resistance of special steel?: There are several main factors that affect the wear resistance of special steel. Firstly, the composition of the steel plays a crucial role. The addition of certain alloying elements, such as chromium, vanadium, and tungsten, can significantly enhance the wear resistance of the steel. These elements form hard carbides or nitrides within the steel matrix, which increase its hardness and resistance to wear. Secondly, the heat treatment process used on the steel greatly influences its wear resistance. Through processes like quenching and tempering, the steel can be hardened to achieve a desired level of wear resistance. The heat treatment also helps in refining the microstructure of the steel, making it more resistant to wear and deformation. Thirdly, the microstructure of the steel is another important factor. The presence of fine grains and a homogeneous distribution of carbides or other reinforcing phases within the steel matrix greatly enhances its wear resistance. Additionally, the presence of retained austenite, a metastable phase, can also contribute to improved wear resistance. Furthermore, the hardness of the steel is a key determinant of its wear resistance. A higher hardness level generally translates to better wear resistance, as it provides resistance against the abrasive forces acting on the steel surface. Lastly, the design and surface finish of components made from special steel also affect their wear resistance. The shape, size, and surface roughness of the components can influence the distribution and magnitude of the contact stresses on the steel, thereby affecting its wear resistance. In conclusion, the wear resistance of special steel is influenced by factors such as its composition, heat treatment, microstructure, hardness, and the design and surface finish of the components. By carefully considering these factors, engineers can optimize the wear resistance of special steel for various applications.

Q:What are the different methods for shot peening special steel?: The fatigue strength and performance of special steels can be improved through the widely used method of shot peening. Different methods exist for shot peening special steel, each with its own advantages and considerations. One method is air shot peening, which involves propelling small steel shots at high speeds using compressed air. This method is commonly used and effective for treating large surfaces and achieving uniform coverage. However, it may not be suitable for delicate or highly sensitive materials. Another method is wheel shot peening, where steel shots are propelled using a rotating wheel. This method offers better control and accuracy, making it effective for treating small or intricate parts such as gears and shafts. Wet shot peening is a method performed in a wet environment, typically using a mixture of water and shot media. It provides increased control over shot flow and reduces dust formation. This method is preferred for special steels sensitive to heat or at risk of distortion. Ultrasonic shot peening is an advanced method that utilizes high-frequency vibrations to propel the shot media onto the steel surface. It offers enhanced control over shot velocity and impact energy, resulting in improved surface finish and fatigue life. It is particularly useful for thin or delicate special steels. Laser shot peening employs laser pulses to generate shockwaves on the steel surface, creating compressive residual stresses. This method is highly precise and can be controlled to treat specific areas or patterns. It is commonly used for special steels requiring localized treatment or with complex geometries. The selection of the shot peening method depends on various factors, including the type of special steel, component geometry, required surface finish, and desired residual stress profile. Consulting with shot peening experts or engineers is essential to determine the most suitable method for shot peening special steel.

Q:How does special steel contribute to the strength of structures?: Special steel contributes to the strength of structures by providing enhanced mechanical properties such as higher tensile strength, improved toughness, and increased resistance to corrosion. These properties allow special steel to bear heavier loads, withstand extreme weather conditions, and maintain structural integrity over time, making it a crucial material choice for constructing durable and reliable buildings, bridges, and other infrastructure.

Q:How is special steel used in the production of heat exchangers?: Special steel is widely used in the production of heat exchangers due to its unique properties that make it ideal for this application. Heat exchangers are devices designed to transfer heat from one medium to another, and special steel offers several advantages in this process. Firstly, special steel has excellent thermal conductivity, meaning it can efficiently transfer heat from one fluid to another. This property is crucial for heat exchangers, as it allows for the rapid and efficient exchange of thermal energy. Additionally, the high corrosion resistance of special steel makes it highly suitable for heat exchanger applications. Heat exchangers often come into contact with corrosive fluids or gases, and regular steel may corrode over time. However, special steel is specifically designed to resist corrosion, ensuring the longevity and reliability of the heat exchanger. Furthermore, special steel offers exceptional strength and durability, allowing heat exchangers to withstand high pressures and temperatures. Heat exchangers often operate in challenging environments, and special steel can withstand these harsh conditions without compromising its structural integrity. Special steel also provides excellent weldability and formability, making it easier to manufacture complex heat exchanger designs. Its versatility allows for the production of heat exchangers in various shapes and sizes, catering to the specific needs of different industries. In summary, special steel is used in the production of heat exchangers due to its high thermal conductivity, corrosion resistance, strength, durability, weldability, and formability. These properties ensure efficient heat transfer, resistance to corrosion, and the ability to withstand harsh operating conditions, making special steel an ideal material for heat exchanger applications.

Q:Can special steel be used in the pharmaceutical manufacturing equipment manufacturing industry?: Yes, special steel can be used in the pharmaceutical manufacturing equipment manufacturing industry. Special steel offers several advantages such as resistance to corrosion, high strength, and durability, making it suitable for various applications in pharmaceutical manufacturing equipment. It ensures the hygienic and safe production of pharmaceutical products, meeting the industry's specific requirements and regulations. Additionally, special steel's ability to withstand extreme temperatures and harsh chemicals makes it a valuable material for manufacturing equipment used in pharmaceutical processes.

Q:What are the different types of free-cutting steel?: There are several different types of free-cutting steel, including leaded steels, sulfurized steels, and phosphorized steels. These types of steels are specifically designed to improve machinability and enhance the cutting performance during manufacturing processes.

Q:How does special steel contribute to the automotive aftermarket?: Special steel contributes to the automotive aftermarket by providing high-performance and durable components that enhance the overall performance, safety, and reliability of vehicles. Special steel, such as high-strength steel and stainless steel, is used in the manufacturing of various automotive parts, including engine components, chassis, suspension systems, and exhaust systems. These materials offer superior strength, corrosion resistance, and heat resistance, thereby ensuring longer service life and improved performance of aftermarket automotive parts. Additionally, special steel enables the development of lightweight designs, leading to fuel efficiency improvements and reduced emissions, which are crucial factors in the automotive industry.

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