Steel Round Bars Manufacturer with Standard High Quality

Steel Round Bars Manufacturer with Standard High Quality System 1

Steel Round Bars Manufacturer with Standard High Quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 32 m.t.

Supply Capability:: 2000000 m.t./month

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Description of steel round bar:

Diamater:Ø12mm-Ø650mm

Length: standard 6m,9m,12m, If you need special lengths,please tell us.

Festures of steel round bar:

High hardness, wear resistance, good toughness, high resistance against compression load and impact, good dimensional stability during heat treatment and good machinability.

Specifications of steel round bar:

Description	steel round bar
Material	ASTM /AISI	1005,1006,1008,1010,1015,1020,1025,1030,1035, 1040,1045,1050,1055,1060,1065,1070,1080,1084
Material	DIN	Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4,1.7225,1.7220,1.7218,1.7016,1.6523
Standard	GB/T799,ASTM A29,A36,A108,A321,A575,BS970,DIN1652,JIS G4051
cross section	Round Other shape:square,hexagonal,flat,angle,rectangular
Surface	Black, galvanized,grinded,varnished,bare
Specifications	Round bar	Diameter: 12mm~650mm
	Angle bar	Size: 3mm20mm20mm~12mm800mm800mm
	Square/ bar	Size: 4mm4mm~100mm100mm
	Flat bar	Thickness: 2mm~100mm
	Flat bar	Width:10mm~500mm
	Hexagonal	Size: 4mm~800mm
Length	Standard 6m,9m,12m or as required.
Trade terms	Payment terms	T/T,L/C,Western Union,negotiable etc.
Trade terms	Price terms	FOB,CIF,CFR,EXW etc.
Applications	Steel round bar is widely used for all general fabrication and repairs in industrial maintenance, agricultural implements, transportation equipment, ornamental work frame work, braces, supports, shafts,axels,etc. Hot rolled Steel round bars have a slightly grain textured finish.

Images of steel round bar:

FAQ:

1. What is your package?

Packing situation: standard seaworthy packing or as customer required.

2. How long is the lead time?

Delivery time: 45 days after order confirmed.

3. What payment term do you accept?

Payment: T/T or L/C at sight.

Q: How do steel round bars compare to brass round bars?: Steel round bars and brass round bars possess distinct characteristics that make them suitable for different purposes. To begin with, steel round bars exhibit superior strength and durability in comparison to brass round bars. Steel boasts a higher tensile strength, rendering it ideal for applications demanding resistance against heavy loads. Consequently, it finds extensive usage in the construction, manufacturing, and automotive sectors, where strength and durability play pivotal roles. On the other hand, brass round bars are renowned for their exceptional corrosion resistance and electrical conductivity. As an alloy of copper and zinc, brass acquires a unique amalgamation of properties. It frequently finds application in scenarios necessitating good electrical conductivity, such as electrical connectors, plumbing fittings, and musical instruments. Moreover, brass possesses an appealing golden appearance, making it a favored choice for decorative purposes. In terms of cost, steel round bars generally prove more economical than their brass counterparts. Steel enjoys widespread availability and substantial production, resulting in lower unit costs. Conversely, brass, as a copper alloy, being a relatively expensive metal, typically carries a higher price tag. Another crucial aspect to consider is machinability. Steel round bars typically prove more manageable and workable than brass round bars. Steel exhibits favorable cutting and drilling properties, thereby facilitating the fabrication of diverse shapes and sizes. Conversely, brass tends to boast a higher machinability rating, indicating its ease of cutting and shaping compared to other metals. In conclusion, steel round bars surpass brass round bars in terms of strength, durability, and cost-effectiveness. They serve as suitable components for applications necessitating robustness and resistance against heavy loads. Conversely, brass round bars excel in offering exceptional corrosion resistance, electrical conductivity, and an aesthetically pleasing appearance. They commonly find use in applications demanding high electrical conductivity and for decorative purposes. Ultimately, the choice between steel and brass round bars hinges upon the specific requirements of the given application.

Q: Can steel round bars be used for making springs?: Springs can indeed be made using steel round bars. The reason why steel is widely chosen as a spring material is because of its excellent strength and durability. Steel round bars can be transformed into different types of springs, which include compression springs, extension springs, and torsion springs. To achieve the desired hardness and springiness, the round bar can be cut to the desired length and then subjected to heat treatment. The spring's characteristics, such as its load-bearing capacity, flexibility, and resistance to fatigue, are determined by the specific type of steel used and the heat treatment process. However, it is crucial to remember that designing and engineering springs require careful consideration of factors like the required spring rate, maximum load, and operating conditions in order to ensure optimal performance.

Q: What are the standard sizes for steel round bars?: Steel round bars come in various standard sizes, which differ depending on the industry and application at hand. Examples of frequently used standard sizes are 1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch, 1 inch, 1 1/4 inch, 1 1/2 inch, 1 3/4 inch, 2 inch, 2 1/2 inch, 3 inch, 3 1/2 inch, 4 inch, 4 1/2 inch, 5 inch, 5 1/2 inch, 6 inch, 7 inch, 8 inch, 9 inch, 10 inch, 11 inch, 12 inch, and so forth. These sizes are commonly employed in the construction, manufacturing, and engineering sectors, with slight variations depending on the country or region. It is important to acknowledge that steel round bars can also be customized to specific sizes and lengths in order to meet the particular requirements of a given project.

Q: Can steel round bars be used for hydraulic applications?: Yes, steel round bars can be used for hydraulic applications. Steel is known for its strength and durability, making it a suitable material for hydraulic systems that require high pressure and heavy loads. Steel round bars can be used to manufacture various hydraulic components such as cylinders, pistons, shafts, and valves. The hardness and corrosion resistance of steel also make it a reliable choice for hydraulic applications where the fluid may contain contaminants or have high temperatures. However, it is important to consider the specific requirements of the hydraulic application and select the appropriate grade and type of steel round bars to ensure optimal performance and longevity.

Q: What are the typical tolerances for steel round bars?: The typical tolerances for steel round bars can vary depending on the specific requirements of the application or industry. However, there are generally accepted standard tolerances that are commonly used. For diameter, the typical tolerances for steel round bars are usually within a few thousandths of an inch. This means that the actual diameter of the bar can deviate slightly from the specified diameter, but it will still fall within an acceptable range. In terms of straightness, steel round bars are commonly produced with a straightness tolerance that allows for some deviation from a perfectly straight line. The typical tolerance for straightness is usually measured in units of inches per foot or millimeters per meter. This means that the bar may have a slight bend or curve, but it should not exceed the specified tolerance. Surface finish is another important aspect of steel round bars. The typical tolerance for surface finish is usually specified in terms of roughness average (Ra) or surface roughness in micrometers. This tolerance ensures that the surface of the bar is smooth and free from any significant imperfections, such as pits or scratches. It is important to note that these typical tolerances can vary depending on the specific grade or type of steel being used, as well as the intended application. In some cases, tighter tolerances may be required for precision or critical applications, while looser tolerances may be acceptable for less demanding applications. Therefore, it is always recommended to consult the relevant industry standards or specifications to determine the specific tolerances required for a particular steel round bar.

Q: What are the different types of steel round bar alloys used in aerospace applications?: In aerospace applications, there are various steel round bar alloys that are commonly utilized. These alloys are selected based on their specific properties and characteristics that render them appropriate for use in aircraft and spacecraft components. Some of the most frequently employed alloys include: 1. 4130: This is a low-alloy steel that contains chromium and molybdenum. Its exceptional strength and toughness make it ideal for applications such as landing gear components and structural tubing. 2. 4340: This nickel-chromium-molybdenum steel is renowned for its high strength and good ductility. It is commonly applied in gears, shafts, and structural components that necessitate high strength and toughness. 3. 17-4 PH: This alloy is a precipitation-hardening stainless steel that offers a combination of high strength, corrosion resistance, and good toughness. It is often utilized in aerospace applications where both strength and corrosion resistance are crucial, such as turbine blades and structural components. 4. 15-5 PH: Another precipitation-hardening stainless steel, this alloy provides high strength and good corrosion resistance. It is commonly found in aerospace applications like landing gear components and structural parts. 5. 9310: This low-alloy steel is recognized for its high hardenability and toughness. It is frequently employed in aerospace applications that require high strength and excellent impact resistance, such as gears and shafts. These examples highlight the diverse range of steel round bar alloys utilized in aerospace applications. Each alloy possesses specific properties and characteristics that make it suitable for fulfilling various component requirements in the aerospace industry.

Q: What is the difference between a polished and a precision ground steel round bar?: A polished steel round bar refers to the process of buffing the surface to achieve a smooth and shiny finish, primarily for aesthetic purposes. On the other hand, a precision ground steel round bar undergoes a more precise grinding process to achieve tight dimensional tolerances and a smooth, accurate surface finish, primarily for functional purposes.

Q: Can steel round bars be used for making brake components?: Absolutely! When it comes to creating brake components, steel round bars are a fantastic choice. This is because steel possesses exceptional strength, durability, and heat resistance, making it a popular material in brake systems. By machining and shaping steel round bars, one can effortlessly fashion different brake components like brake discs, brake rotors, brake calipers, and brake pistons. The utilization of steel round bars guarantees that these brake components can effortlessly endure the intense pressures and temperatures produced during braking, resulting in a dependable and effective stopping ability.

Q: How do steel round bars compare to stainless steel round bars?: Steel round bars and stainless steel round bars differ in their composition, making them suitable for various applications. The composition of steel mainly consists of iron with small amounts of carbon and other elements, whereas stainless steel is an alloy composed of iron, chromium, and often other elements like nickel or molybdenum. This unique composition gives stainless steel its distinctive properties, such as corrosion resistance. Both steel and stainless steel round bars can be manufactured to have high tensile strength. However, stainless steel generally has higher tensile strength compared to regular steel, making it more suitable for applications requiring additional strength and durability. Another significant difference lies in their resistance to corrosion. Stainless steel round bars have excellent corrosion resistance due to the presence of chromium in their composition, making them ideal for applications exposed to moisture, chemicals, or other corrosive environments. On the other hand, steel round bars are more prone to rust and corrosion and may need additional protective coatings in such environments. In terms of cost, steel round bars are generally more affordable compared to stainless steel round bars. The higher cost of stainless steel is attributed to its unique properties and the additional alloying elements required in its production. Both steel and stainless steel round bars have advantages and specific applications. Steel round bars are commonly used in construction, manufacturing, and general-purpose applications where corrosion resistance is not a primary concern. In contrast, stainless steel round bars find extensive use in industries such as food processing, chemical processing, medical equipment, and marine applications where corrosion resistance is crucial. In conclusion, the choice between steel round bars and stainless steel round bars depends on the specific requirements of the application. Steel round bars are more cost-effective but may require additional corrosion protection, while stainless steel round bars offer superior corrosion resistance and strength.

Q: What are the different tolerances for steel round bars?: The different tolerances for steel round bars depend on various factors such as the diameter, length, and intended application. Common tolerances for steel round bars include diameter tolerances ranging from +/- 0.005 inches to +/- 0.030 inches, length tolerances ranging from +/- 0.125 inches to +/- 0.500 inches, and straightness tolerances ranging from 0.0125 inches per foot to 0.030 inches per foot. However, specific tolerances may vary depending on the specific requirements set by the industry or customer.

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