18NiCrMo5 Hot-rolled Gear Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
18NiCrMo5 Hot-rolled Gear Steel Round Bars
Product Description of 18NiCrMo5 Hot-rolled Gear Steel Round Bars
1. Steel grade: 18CrMnTi
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar
5. Technique: Hot rolled, forged, cold drawn
Specification of 18NiCrMo5 Hot-rolled Gear Steel Round Bars
Material | 18CrMnTi | Round bar | Dia(mm) | 16-300mm |
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 18NiCrMo5 Hot-rolled Gear Steel Round Bars
C | Si | Mn | Cr | Ni | Cu |
0.42~0.47 | 0.17~0.37 | 0.35~0.65 | ≤0.25 | ≤0.30 | ≤0.25 |
Photo Show of 18NiCrMo5 Hot-rolled Gear Steel Round Bars
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of 18NiCrMo5 Hot-rolled Gear Steel Round Bars
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:Can steel round bars be used for making body panels?
- No, steel round bars are not typically used for making body panels. Body panels are usually made from sheet metal or aluminum, as they offer better flexibility, ease of shaping, and weight reduction compared to steel round bars.
- Q:What is the tolerance for diameter in steel round bars?
- The tolerance for diameter in steel round bars may differ based on the manufacturer or industry's specific standards and requirements. Typically, a certain range is specified for the diameter tolerance to maintain the desired precision and consistency in the bars' dimensions. This tolerance is usually denoted as a plus or minus value, indicating the acceptable deviation from the specified diameter. To ascertain the precise tolerance for diameter in steel round bars, it is essential to verify the applicable industry standards or consult with the manufacturer, as it can vary depending on the intended application and manufacturing process employed.
- 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:Can steel round bars be used in the manufacturing of marine propellers?
- Yes, steel round bars can be used in the manufacturing of marine propellers. Steel is a commonly used material in the marine industry due to its high strength, durability, and corrosion resistance. Steel round bars can be machined and shaped into the desired propeller design, providing the necessary strength and stability required for marine applications. Additionally, steel can withstand the harsh conditions of saltwater environments, making it suitable for use in marine propellers.
- Q:Are steel round bars suitable for the production of gears?
- Steel round bars are indeed appropriate for gear production. Because of its high strength, durability, and resistance to wear and tear, steel is commonly employed in gear manufacturing. The round bar shape facilitates the machining and shaping of gear teeth. Moreover, steel round bars offer exceptional hardness and toughness, guaranteeing the gears' ability to handle substantial loads and operate seamlessly. Furthermore, steel can be subjected to heat treatment to further augment its mechanical properties, rendering it an optimal selection for gear production.
- 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:What are the different types of steel round bar coatings used in the oil and gas industry?
- There are several types of steel round bar coatings commonly used in the oil and gas industry. Some of these coatings include fusion bonded epoxy (FBE), three-layer polyethylene (3LPE), three-layer polypropylene (3LPP), and metallic zinc coatings. These coatings are applied to steel round bars to provide corrosion resistance, enhance durability, and protect against harsh environmental conditions in oil and gas applications.
- Q:What are the different types of steel round bar heat treatments?
- There are several different types of heat treatments for steel round bars, each designed to enhance specific properties of the material. Some of the most common heat treatments include annealing, normalizing, quenching and tempering, and case hardening. 1. Annealing: This heat treatment involves heating the steel round bar to a high temperature and then slowly cooling it to room temperature. Annealing helps to relieve internal stresses, improve machinability, and increase ductility and toughness. 2. Normalizing: Similar to annealing, normalizing also involves heating the steel round bar to a specific temperature. However, instead of slow cooling, the bar is allowed to cool in air. Normalizing helps to refine the grain structure, enhance mechanical properties, and improve machinability. 3. Quenching and Tempering: Quenching is a process in which the steel round bar is heated to a high temperature and then rapidly cooled by immersing it in a quenching medium, such as oil or water. This rapid cooling helps to achieve high hardness and strength in the material. After quenching, the steel is often tempered by reheating it to a lower temperature, which improves toughness and reduces brittleness. 4. Case Hardening: This heat treatment is used to increase the surface hardness of the steel round bar while maintaining a tough core. Case hardening involves heating the bar in the presence of carbon-rich substances, such as gas or liquid carburizing agents. This results in a hardened outer layer, known as the case, while the core remains relatively softer and more ductile. These are just a few examples of the various heat treatments that can be applied to steel round bars. The specific heat treatment used depends on the desired properties and applications of the steel, and it is important to consult with metallurgical experts to ensure the most appropriate treatment is chosen for each specific steel round bar.
- Q:What are the considerations for selecting the right steel grade for a round bar?
- When selecting the right steel grade for a round bar, there are several considerations to be taken into account. Firstly, it is important to consider the intended application of the round bar. Different steel grades have varying properties that make them suitable for specific purposes. For example, if the round bar will be used in a high-temperature environment, a steel grade with excellent heat resistance such as stainless steel or high-alloy steel would be ideal. On the other hand, if the round bar will be used in structural applications, a steel grade with good strength and ductility, such as carbon steel, may be more appropriate. Another consideration is the desired mechanical properties of the round bar. This includes factors such as the required tensile strength, yield strength, hardness, and toughness. These properties can vary significantly between different steel grades, so it is important to choose a grade that meets the specific requirements of the application. The corrosion resistance of the steel grade is also an important consideration. If the round bar will be exposed to corrosive environments, such as in marine or chemical applications, a stainless steel grade with high resistance to corrosion would be recommended. Alternatively, if corrosion resistance is not a major concern, a carbon steel grade may be more cost-effective. Cost is another factor that should be taken into consideration when selecting a steel grade for a round bar. Different steel grades have varying costs based on factors such as availability, demand, and manufacturing processes. It is important to balance the desired properties of the round bar with the available budget to ensure cost-effectiveness. Furthermore, it is important to consider the manufacturability of the steel grade. Some steel grades may be more difficult to machine or weld, which can impact the production process and cost. It is important to choose a steel grade that is readily available and can be easily processed to meet the required specifications. Lastly, it is always advisable to consult with steel suppliers, engineers, or metallurgists to ensure that the chosen steel grade aligns with the specific requirements of the application. They can provide valuable insights and recommendations based on their expertise and experience in the industry.
- Q:What are the advantages of using weather-resistant steel round bars?
- Weather-resistant steel round bars have numerous benefits. Firstly, they are specifically designed to withstand harsh weather conditions, such as corrosion, rust, and degradation caused by rain, snow, humidity, and saltwater environments. This makes them ideal for outdoor applications like construction projects, marine structures, and coastal infrastructure. Secondly, weather-resistant steel round bars eliminate the need for extra protective coatings or treatments. Unlike regular steel, which requires frequent maintenance and painting to prevent rust and corrosion, these bars develop a natural protective layer called patina. This patina acts as a barrier against further corrosion, reducing maintenance requirements and extending the material's lifespan. Thirdly, these bars offer exceptional strength and durability. They are manufactured with a special alloy composition that enhances their mechanical properties, making them highly resistant to impact, bending, and fatigue. This makes them perfect for structural applications in bridges, building frameworks, and heavy machinery. Additionally, weather-resistant steel round bars have aesthetic advantages. The unique patina that forms on their surface gives them an attractive reddish-brown color, adding a visually appealing element to architectural and design purposes. Lastly, the use of weather-resistant steel round bars contributes to sustainability and cost-effectiveness. Their long lifespan and low maintenance requirements make them a more sustainable option compared to traditional steel. While the initial investment may be higher, the long-term savings in maintenance and replacement costs make them a cost-effective choice in the long run. In conclusion, the benefits of using weather-resistant steel round bars include their ability to withstand harsh weather conditions, eliminate the need for additional protective coatings, provide exceptional strength and durability, offer aesthetic appeal, and contribute to sustainability and cost-effectiveness.
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18NiCrMo5 Hot-rolled Gear Steel Round Bars
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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