High Carbon Steel Bearing Round Bar GCr15
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Standard:
EN,API,DIN,BS,GB,JIS,ASTM,AISI
Technique:
EFW,Extruded,Saw,Forged,ERW,Cold Drawn,Cold Rolled,Hot Rolled,Spring
Shape:
U Channel,Square,Round,Hexagonal,C Channel,LTZ,Oval,Rectangular
Surface Treatment:
PVDF Coated,Black,Bright,Polished,Dry,Oiled,Color Coated,Copper Coated,Coated,Galvanized,Chromed Passivation
Steel Grade:
300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B),200 Series,HRB400,RHB335,Q235B,Q215B,Q235,Q215,Q195
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
10-300mm
Length:
6-12m
Net Weight:
2mt
High Carbon Steel Bearing Round Bar GCr15
Product Description of High Carbon Steel Bearing Round Bar GCr15
1. Steel grade: ASTM52100, SUJ2, 100Gr6,GCr15
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar, wire rod, sheet
5. Technique: Hot rolled, forged, cold drawn
Specification of High Carbon Steel Bearing Round Bar GCr15
Material | GCr15 | Round bar | Dia(mm) | 10-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12m | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500mm |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200mm | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12m |
Chemical Composition of High Carbon Steel Bearing Round Bar GCr15
C | Si | Mn | Cr | Ni | Mo | P | S |
0.95~1.05 | 0.15~0.35 | 0.25~0.45 | 1.40~1.65 | ≤0.30 | ≤0.10 | ≤0.025 | ≤0.025 |
Photo Show of High Carbon Steel Bearing Round Bar GCr15
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of High Carbon Steel Bearing Round Bar GCr15
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- Q:What are the advantages of using silicon-alloy steel round bars?
- There are several advantages to using silicon-alloy steel round bars. Firstly, silicon-alloy steel has excellent strength and durability. It is known for its high tensile strength, which makes it suitable for applications that require heavy-duty performance. This strength also allows it to withstand heavy loads and resist deformation, making it a reliable choice for various mechanical and structural purposes. Secondly, silicon-alloy steel round bars have good heat resistance. The presence of silicon in the alloy improves its ability to handle high temperatures without losing its structural integrity. This makes it ideal for applications that involve exposure to extreme heat, such as in furnace components, exhaust systems, or high-temperature equipment. Additionally, silicon-alloy steel round bars offer excellent corrosion resistance. The alloying elements in silicon-alloy steel, such as chromium and nickel, help create a protective oxide layer on the surface, preventing the metal from corroding and prolonging its lifespan. This makes it suitable for use in marine environments or corrosive atmospheres. Furthermore, silicon-alloy steel round bars have good machinability and weldability. This means that they can be easily formed into various shapes and sizes, making them versatile for different manufacturing processes. The ability to weld silicon-alloy steel allows for easy fabrication and customization, making it a convenient choice for many industries. Lastly, silicon-alloy steel round bars are cost-effective. Compared to other high-performance alloys, silicon-alloy steel is relatively more affordable, making it a cost-effective option for applications that require strength, durability, and resistance to heat and corrosion. In conclusion, the advantages of using silicon-alloy steel round bars include excellent strength and durability, good heat resistance, corrosion resistance, machinability, weldability, and cost-effectiveness. These qualities make silicon-alloy steel a versatile and reliable material for various industrial applications.
- Q:What are the different surface treatments available for tool steel round bars?
- Tool steel round bars can be enhanced in performance, durability, and overall quality through various surface treatments. Some common treatments include: 1. Nitriding: Exposing the tool steel to a nitrogen-rich environment at high temperatures forms a hard surface layer, improving wear resistance and reducing friction. 2. Coating: Coating the tool steel round bars with materials like titanium nitride (TiN), titanium carbonitride (TiCN), or chromium nitride (CrN) provides excellent wear, corrosion, and heat resistance. 3. Black oxide: A chemical treatment that forms a black oxide layer on the surface of the tool steel, improving corrosion resistance and reducing the risk of rusting. 4. Heat treatment: Heat treatment processes like annealing, tempering, or quenching can be applied to tool steel round bars to enhance hardness, strength, and toughness. 5. Surface grinding: By removing a thin layer of material from the tool steel's surface, surface grinding achieves a smooth and polished finish, enhancing aesthetics and reducing surface defects. 6. Shot peening: Propelling small metal or ceramic particles onto the tool steel surface at high velocity induces compressive stress, improving fatigue resistance and extending lifespan. 7. Electropolishing: Immersing the tool steel in an electrolyte bath and applying an electric current, electropolishing removes surface imperfections, enhances surface finish, and improves corrosion resistance. Choosing the appropriate surface treatment depends on the specific requirements and applications of tool steel round bars. Each treatment offers unique benefits, significantly enhancing performance and longevity.
- Q:What is the density of a steel round bar?
- The density of a steel round bar can vary depending on the specific type and composition of the steel, but on average, the density of steel is about 7.85 grams per cubic centimeter (g/cm³) or 7850 kilograms per cubic meter (kg/m³). This means that for a given volume of steel round bar, the weight or mass of the bar can be calculated by multiplying its volume by its density.
- Q:Can steel round bars be used in the marine industry?
- Steel round bars are indeed suitable for use in the marine industry. Steel is highly favored in this industry because of its exceptional strength, durability, and resistance to corrosion. In the marine industry, steel round bars find widespread use in a variety of applications. These applications include the construction of ship hulls, the fabrication of offshore structures, the production of marine equipment and components, and the development of mooring systems. Steel round bars are capable of enduring the harsh conditions of the marine environment, including exposure to saltwater, waves, and extreme weather conditions. Furthermore, steel round bars possess the advantage of being easily manipulated, welded, and machined, rendering them an adaptable choice for marine applications.
- Q:Can steel round bars be coated?
- Indeed, it is possible to coat steel round bars. Coating them yields numerous advantages, such as enhanced resistance to corrosion, increased durability, and improved visual appeal. The most commonly utilized coatings for steel round bars encompass galvanized coatings, epoxy coatings, and powder coatings. Galvanized coatings encompass the application of a zinc layer onto the steel's surface, which provides exceptional protection against corrosion. Epoxy coatings, on the other hand, find common application in industrial settings due to their remarkable chemical resistance and ability to withstand harsh environments. Powder coatings, involving the electrostatic application of a dry powder, are then cured under heat to form a robust and protective layer. These coatings can be employed on steel round bars to safeguard against rust and other forms of corrosion, thereby rendering them suitable for a broad scope of applications across various industries, including construction, manufacturing, and automotive.
- Q:Can steel round bars be annealed?
- Yes, steel round bars can be annealed. Annealing is a heat treatment process that involves heating the steel to a specific temperature and then gradually cooling it down. This process helps to relieve internal stresses, improve ductility, and enhance the material's machinability. Annealing can be applied to a wide range of steel products, including round bars, to make them softer, more workable, and reduce the risk of cracking or failure during subsequent manufacturing processes.
- Q:How do you determine the hardness of a steel round bar?
- To determine the hardness of a steel round bar, various methods can be used. One common method is the Rockwell hardness test. This test involves applying a minor load to the surface of the bar using a diamond or a hardened steel ball, followed by a major load. The depth of penetration of the minor and major loads is measured, and a hardness value is determined based on the difference between the two depths. Another method is the Brinell hardness test, which involves indenting the surface of the steel bar using a hardened steel ball under a specified load. The diameter of the resulting indentation is measured, and the hardness value is calculated based on the load and the diameter of the indentation. Alternatively, the Vickers hardness test can also be used. This test involves applying a diamond pyramid-shaped indenter to the surface of the steel bar under a specific load. The size of the indentation is measured, and the hardness value is determined based on the load and the surface area of the indentation. It is important to note that the specific method used to determine the hardness of a steel round bar depends on factors such as the type of steel and the desired accuracy of the measurement. Additionally, other factors such as heat treatment and composition can also affect the hardness of the steel bar, so it is essential to consider these factors when determining hardness.
- Q:What is the difference between hot rolled and cold drawn steel round bars?
- Hot rolled steel round bars undergo the process of heating a steel billet or ingot at a high temperature and subsequently rolling it into the desired shape. This process yields a rougher surface finish and a greater diameter tolerance in comparison to cold drawn steel round bars. The usage of hot rolled bars is frequently found in areas where strength and durability hold significance, such as in construction and manufacturing. On the contrary, cold drawn steel round bars are created by pulling a hot rolled bar through a die at room temperature, leading to a smoother surface finish and tighter diameter tolerances. This procedure also enhances the mechanical properties of the steel, including its strength and hardness. Cold drawn bars are often employed in scenarios where precision and a high-quality surface finish are prerequisites, like in the production of shafts, bolts, and precision components. To summarize, the principal disparities between hot rolled and cold drawn steel round bars encompass the surface finish, diameter tolerance, and mechanical properties. Hot rolled bars bear a rougher surface finish, larger diameter tolerances, and are typically utilized in contexts where strength and durability are paramount. Cold drawn bars possess a smoother surface finish, tighter diameter tolerances, and are commonly employed in situations necessitating precision and a high-quality surface finish.
- Q:Can steel round bars be hardened and tempered?
- Yes, steel round bars can be hardened and tempered. This process involves heating the steel to a specific temperature, followed by rapid cooling to increase its hardness. Subsequently, the steel is reheated to a lower temperature and slowly cooled to improve its toughness and durability.
- Q:What are the environmental considerations of steel round bars?
- Steel round bars have several environmental considerations. Firstly, the production of steel involves the extraction of iron ore, which can have negative impacts on ecosystems and habitats. The mining process can lead to deforestation, soil erosion, and the release of harmful pollutants into the air and water. Additionally, the manufacturing of steel round bars requires a significant amount of energy, which often comes from non-renewable sources such as coal and natural gas. The burning of fossil fuels for energy contributes to greenhouse gas emissions and climate change. The steel industry is one of the largest emitters of carbon dioxide globally. Furthermore, the transportation of steel round bars can also have environmental consequences. The long-distance shipping of steel products contributes to carbon emissions and air pollution. This is especially significant when steel is imported or exported over large distances. However, it is important to note that steel is a highly recyclable material. Recycling steel reduces the need for new production, conserves energy, and decreases the environmental impacts associated with mining and extraction. By choosing steel round bars made from recycled steel, individuals and industries can contribute to a more sustainable and environmentally-friendly approach. Overall, the environmental considerations of steel round bars include the impacts of mining and extraction, energy consumption during production, and transportation emissions. However, the recyclability of steel offers an opportunity to minimize these environmental impacts and promote a more sustainable steel industry.
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High Carbon Steel Bearing Round Bar GCr15
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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