• Hard Chrome Carbon Steel Round Bar in China System 1
  • Hard Chrome Carbon Steel Round Bar in China System 2
  • Hard Chrome Carbon Steel Round Bar in China System 3
Hard Chrome Carbon Steel Round Bar in China

Hard Chrome Carbon Steel Round Bar in China

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
77 m.t.
Supply Capability:
2000000 m.t./month

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Description of steel round bar:

1.Diameter 80 to 800 mm 
2.Black or Bright surface 
3.Annealed or Quenched and tempered provided 
4.Cutting service provide

 

Festures of steel round bar:

Grade:300 Series

Certification:ISO, SGS, BV, RoHS, IBR

Standard:ASTM, AISI, GB, JIS, DIN

Technique:Cold Rolled

Surface Treatment:Bright

Packaging:Inner Packing:1PC/Plastic Bag

Delivery:According The Detail Quantity

Hot Finished:Tensile Strength 515 Mpa in

Cold Drawn:Tensile Strength 860 Mpa Min ( Dia<19.05mm)< span="">

Export Markets:Global


Specifications of steel round bar:

 

 Description

 

Carbon Steel Rod/Carbon Steel Bar,carbon steel rod,carbon steel shaft,mild steel bar, mild steel shaft,ms bar

 

 

  Material

ASTM

1005,1006,1008,1010,1011020,1025,1030,1035,1040,1045,1050,1055,1060,1065,1070,1080,1084,

1016,1022

DIN

Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4

BS

045M10,080M50

 Standard

,A575,BS970,DIN1652,JIS G4051

 

Section shape

 

Round

 

 Length

 

As your required

 

 

 Application

corrosion resistant.

 

Images of  steel round bar:

Hard Chrome Carbon Steel Round Bar in China

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: What is the difference between a bright and a cold finished steel round bar?
Two distinct types of steel bars are the bright steel round bar and the cold finished steel round bar. These bars differ in their manufacturing processes and resulting characteristics. The bright steel round bar, also known as a turned or polished bar, undergoes a process called turning or polishing. During this process, a lathe machine rotates the rough steel bar while a cutting tool removes its outer layer. This results in a smooth and shiny surface, enhancing the bar's appearance, dimensional accuracy, and surface finish. Bright steel round bars are commonly used in applications where aesthetics and a high-quality surface finish are important, such as architectural components, decorative items, and certain automotive parts. On the other hand, the cold finished steel round bar undergoes a different manufacturing process called cold drawing or cold rolling. This process involves passing the hot-rolled steel bar through a series of dies at room temperature. As a result, the bar's diameter is reduced while its length is increased. This cold working process improves the mechanical properties of the steel bar, including increased tensile strength, improved yield strength, and enhanced dimensional accuracy. Cold finished steel round bars are often used in applications that require high strength and precision, such as shafts, gears, bolts, and tools. In conclusion, the main distinction between the bright steel round bar and the cold finished steel round bar lies in their manufacturing processes and resulting characteristics. The bright steel round bar is turned or polished to achieve a smooth and shiny surface, while the cold finished steel round bar undergoes cold drawing or rolling to enhance its mechanical properties and dimensional accuracy. The choice between these two types of steel bars depends on the specific requirements of the application, such as the need for aesthetics, surface finish, strength, or precision.
Q: What are the different types of surface defects that can occur in steel round bars?
There are several types of surface defects that can occur in steel round bars, including scratches, pits, roll marks, scale, and cracks.
Q: How are steel round bars used in the manufacturing of hydraulic cylinders?
Steel round bars are commonly used in the manufacturing of hydraulic cylinders as they provide the necessary strength and durability required for these high-pressure systems. These bars are machined, shaped, and precision-ground to specific dimensions, which are then used to create the cylinder barrel, piston, and other critical components. The steel round bars play a crucial role in ensuring the structural integrity and overall performance of the hydraulic cylinder, allowing it to withstand the forces and pressures involved in various industrial and mobile applications.
Q: Which is stronger, steel pipe or round steel? Which is good at bending?
Round bars are, of course, more powerful, but not much higher.
Q: What are the different types of tests performed on steel round bars for quality control?
There are several types of tests performed on steel round bars for quality control. These include visual inspection, dimensional checks, surface roughness evaluation, hardness testing, tensile testing, impact testing, and chemical composition analysis. These tests help ensure that the steel round bars meet the required quality standards and are fit for their intended applications.
Q: Are steel round bars used in the automotive industry?
Yes, steel round bars are commonly used in the automotive industry for various applications such as manufacturing components like axles, crankshafts, and suspension parts due to their high strength and durability.
Q: What are the different types of steel round bar coatings used in the marine industry?
There are several different types of steel round bar coatings that are commonly used in the marine industry. These coatings are specifically designed to protect the steel from corrosion and other environmental factors that are prevalent in marine environments. Some of the most common types of steel round bar coatings used in the marine industry include: 1. Galvanized Coating: Galvanized steel round bars are coated with a layer of zinc. This coating provides excellent protection against corrosion and is highly durable. Galvanized coatings are commonly used in marine applications where the steel is exposed to saltwater and other corrosive elements. 2. Epoxy Coating: Epoxy coatings are widely used in the marine industry due to their excellent corrosion resistance and adhesion properties. These coatings are typically applied in multiple layers to ensure maximum protection. Epoxy coatings are effective in protecting steel round bars from saltwater, chemicals, and abrasion. 3. Polyurethane Coating: Polyurethane coatings are known for their exceptional resistance to UV rays, chemicals, and abrasion. They provide a high level of protection against corrosion in marine environments. Polyurethane coatings are commonly used in offshore structures and marine equipment where durability and long-term performance are crucial. 4. Organic Coatings: Organic coatings, such as acrylics and vinyls, are often used in the marine industry for their ability to provide a barrier against corrosion and environmental factors. These coatings are flexible, easy to apply, and resistant to UV radiation. They are commonly used in marine applications where aesthetics and color retention are important. 5. Ceramic Coating: Ceramic coatings offer exceptional resistance to high temperatures, chemicals, and abrasion. They provide a hard, protective layer on steel round bars, making them suitable for marine applications that involve high heat and harsh environments. It is important to note that the selection of the appropriate steel round bar coating depends on the specific requirements of the marine application. Factors such as the type of exposure, expected service life, and budget should be taken into consideration when choosing the most suitable coating for a particular marine project.
Q: Are steel round bars suitable for use in the automotive industry?
Yes, steel round bars are suitable for use in the automotive industry. Steel round bars offer several advantages that make them ideal for automotive applications. Firstly, steel round bars provide excellent strength and durability, which are crucial for automotive components that need to withstand high levels of stress and impact. The high tensile strength of steel ensures that these components can handle the demanding conditions of the automotive industry, such as heavy loads and harsh environments. Secondly, steel round bars have good machinability, allowing them to be easily shaped and fabricated into various automotive parts. This versatility is essential for creating components with complex geometries, such as crankshafts, axles, and suspension components. Furthermore, steel round bars offer superior dimensional stability, ensuring that automotive parts maintain their shape and performance over time. This is particularly important for critical components that need to meet precise specifications and tolerances. Additionally, steel round bars have excellent heat resistance, making them suitable for applications that involve high temperatures, such as engine components and exhaust systems. The thermal stability of steel ensures that these parts can operate efficiently and reliably under extreme heat conditions. Moreover, steel is readily available and cost-effective compared to other materials, making it an attractive choice for the automotive industry. The abundance of steel resources and the well-established manufacturing processes contribute to its affordability, making it a practical option for mass production. In conclusion, steel round bars are highly suitable for use in the automotive industry due to their strength, durability, machinability, dimensional stability, heat resistance, and cost-effectiveness. These qualities make steel round bars an excellent choice for various automotive components, contributing to the overall performance, safety, and longevity of vehicles.
Q: Can steel round bars be hardened?
Steel round bars can indeed be hardened through a specific procedure known as hardening. This procedure entails heating the steel to a precise temperature and swiftly cooling it, which is commonly referred to as quenching. The rapid cooling induces a transformation in the steel, leading to heightened hardness and strength. Typically, the hardening process is followed by tempering, which entails reheating the hardened steel to a lower temperature. This step serves to minimize brittleness and further enhance toughness. Hardening is extensively applied in the manufacturing of tools, machine parts, and various other applications that demand exceptional strength and durability.
Q: Can steel round bars be used for making bridges?
Yes, steel round bars can be used for making bridges. Steel round bars are commonly used in bridge construction due to their high strength, durability, and ability to withstand heavy loads. They are often used as structural elements in bridge girders, piers, and columns, providing stability and support to the overall structure. Additionally, steel round bars can be easily fabricated and shaped to meet the specific design requirements of a bridge.

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