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
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
16-300MM
Length:
6-12MM
Net Weight:
2MT
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: What are the specifications and standards for steel round bars?
- The specifications and standards for steel round bars vary depending on their intended use and application. However, some common specifications and standards for steel round bars include the diameter, length, tolerance levels, chemical composition, mechanical properties, and surface finish requirements. These specifications and standards are defined by organizations such as ASTM International, the American Iron and Steel Institute (AISI), and the International Organization for Standardization (ISO).
- Q: What is the elasticity of a steel round bar?
- The elasticity of a steel round bar refers to its ability to return to its original shape and size after being subjected to external forces or deformations. Steel is known for its high elastic modulus, which means it has a high resistance to deformation and can withstand substantial stress before permanently bending or breaking. The elasticity of a steel round bar is determined by its composition, specifically the carbon content and the presence of other alloying elements. Steel with higher carbon content is generally more elastic and can be more easily manipulated without permanent deformation. However, it is important to note that the elasticity of a steel round bar can also be affected by factors such as temperature, strain rate, and the presence of any defects or imperfections in the material.
- Q: What are the advantages of using chromium-molybdenum alloy steel round bars?
- There are several advantages of using chromium-molybdenum alloy steel round bars: 1. High Strength: Chromium-molybdenum alloy steel round bars have excellent strength properties, making them suitable for applications that require a high level of strength and durability. This makes them ideal for use in heavy machinery, construction equipment, and other demanding applications. 2. Corrosion Resistance: The addition of chromium in the alloy steel composition enhances its corrosion resistance properties. This makes chromium-molybdenum alloy steel round bars highly resistant to rust and other forms of corrosion, making them suitable for use in harsh environments and outdoor applications. 3. Heat Resistance: Chromium-molybdenum alloy steel round bars have excellent heat resistance properties, allowing them to withstand high temperatures without losing their structural integrity. This makes them suitable for use in applications that involve high temperature conditions, such as in boilers, pressure vessels, and heat exchangers. 4. Wear Resistance: The presence of molybdenum in the alloy steel composition provides excellent wear resistance properties. This means that chromium-molybdenum alloy steel round bars can withstand the effects of wear and abrasion, making them suitable for use in applications that involve high levels of friction and wear, such as in mining equipment, drilling tools, and automotive components. 5. Machinability: Chromium-molybdenum alloy steel round bars have good machinability, allowing them to be easily shaped and formed into various configurations. This makes them suitable for use in applications that require complex shapes and designs, such as in automotive parts, machine components, and tooling. Overall, the advantages of using chromium-molybdenum alloy steel round bars make them a popular choice for a wide range of applications in various industries. They offer high strength, corrosion resistance, heat resistance, wear resistance, and good machinability, making them a reliable and versatile material for many demanding applications.
- Q: How can steel round bars be protected against corrosion?
- There are several methods available to protect steel round bars from corrosion. One commonly used technique involves applying a protective coating, such as paint or epoxy, to create a barrier between the steel surface and the corrosive elements in the surrounding environment. This coating effectively reduces the risk of corrosion by preventing direct contact. Another effective approach is galvanizing the steel round bars. This process involves coating the steel with a layer of zinc, which acts as a sacrificial anode. By sacrificing itself, the zinc layer prevents the steel from corroding and provides long-lasting protection. Regular maintenance and inspection play a crucial role in corrosion prevention. It is important to remove any rust or scale that may have formed on the steel round bars, as these can accelerate the corrosion process. Additionally, keeping the bars dry and free from moisture is essential, as prolonged exposure to water or humidity can lead to corrosion. In environments where corrosive chemicals are present, it may be necessary to use corrosion-resistant alloys for the steel round bars. Alloys like stainless steel or nickel alloys have higher resistance to corrosion and can withstand harsh conditions better than regular steel. Overall, protecting steel round bars against corrosion requires a combination of proper coatings, regular maintenance, and selecting appropriate materials for the specific environment in which they will be used.
- Q: How do you store excess steel round bars?
- In order to maintain the longevity of excess steel round bars and prevent any damage, it is imperative to adhere to specific guidelines. Here are several measures that can be implemented: 1. It is essential to thoroughly clean and examine the steel round bars prior to storage. Remove all traces of dirt, grease, or moisture from the surface to hinder corrosion. 2. Opt for an appropriate storage location. Ideally, select a well-ventilated, dry area with stable temperatures. Avoid areas that are susceptible to moisture, extreme heat, or direct sunlight when storing the bars. 3. Implement the use of racks or pallets for bar storage. Arrange them horizontally, one on top of the other, ensuring there is ample space between each layer to prevent any deformation or bending. 4. If the bars are to be stored outdoors, ensure they are covered with a waterproof tarp or a protective coating to safeguard against rain, snow, and other elements. 5. Refrain from placing excessive weight on top of the bars to prevent deformation. Additionally, exercise caution regarding any sharp objects or edges in close proximity that could potentially cause damage. 6. Regularly inspect the stored bars to detect any signs of corrosion, rust, or other damage. If any issues are identified, promptly address them by taking the necessary measures. It is crucial to bear in mind that proper storage is paramount to preserve the quality and integrity of the steel round bars. By adhering to these guidelines, one can ensure that the excess steel round bars remain in optimal condition until they are required for future use.
- Q: What are the advantages of using low-alloy steel round bars?
- One advantage of using low-alloy steel round bars is its increased strength and durability compared to regular carbon steel. This makes it suitable for applications that require high tensile strength and resistance to wear and tear. Additionally, low-alloy steel round bars generally offer better weldability and machinability, allowing for easier fabrication and modification. Overall, low-alloy steel round bars provide a cost-effective solution for various industries, including construction, automotive, and manufacturing.
- Q: What are the advantages of using niobium-alloy steel round bars?
- Niobium-alloy steel round bars offer numerous benefits. Firstly, they possess exceptional strength and toughness. By incorporating niobium, the steel's strength increases while maintaining its ductility, making it ideal for applications requiring durability and high strength. Consequently, these round bars can withstand heavy loads and shocks without deforming or breaking easily. Secondly, niobium-alloy steel exhibits high resistance to corrosion. Consequently, it proves suitable for use in harsh environments where exposure to moisture, chemicals, or corrosive substances is common. The corrosion resistance ensures that the round bars remain intact and retain their structural integrity over time, reducing the need for frequent replacements and maintenance. Moreover, niobium-alloy steel demonstrates excellent weldability and formability. It can be effortlessly welded and fabricated into various shapes and sizes, making it adaptable to different manufacturing processes and applications. This adaptability enables the production of custom-designed round bars that meet specific project requirements. Additionally, niobium-alloy steel possesses superior heat resistance properties. It can endure high temperatures without losing strength or experiencing significant changes in its mechanical properties. Thus, it proves suitable for applications involving exposure to extreme heat or thermal cycling, such as in the aerospace or automotive industries. Furthermore, niobium-alloy steel is renowned for its exceptional fatigue resistance. It possesses a high endurance limit, enabling it to withstand repeated loading and unloading cycles without experiencing fatigue failure. This quality makes niobium-alloy steel round bars ideal for applications involving dynamic or cyclic loading, such as in structural components or machinery. In conclusion, the utilization of niobium-alloy steel round bars grants advantages such as high strength, corrosion resistance, weldability, formability, heat resistance, and fatigue resistance. These properties make niobium-alloy steel a reliable and cost-effective choice for numerous industries and applications.
- Q: What are the advantages of using creep-resistant steel round bars?
- Using creep-resistant steel round bars in various applications has several advantages. Firstly, these bars offer exceptional resistance to high temperatures and prolonged stress exposure, making them ideal for high temperature environments such as power plants, boilers, and engines. Their ability to maintain their mechanical properties at elevated temperatures is a key advantage. Secondly, these round bars possess superior creep strength, allowing them to endure constant stress over extended periods without deformation or failure. This is particularly crucial in applications where components are subjected to continuous stress, such as pressure vessels or structural machinery. The high creep strength ensures the longevity and reliability of these components. Additionally, creep-resistant steel round bars exhibit excellent corrosion resistance. They are often alloyed with elements like chromium, molybdenum, or nickel, enhancing their ability to resist corrosion in harsh environments. This makes them suitable for industries like oil and gas, chemical processing, and marine applications where corrosion is a significant concern. Furthermore, these round bars possess favorable weldability, facilitating easy fabrication and assembly. They can be welded to other components without compromising their mechanical properties, making them versatile and cost-effective for construction projects. Moreover, these round bars offer dimensional stability and high hardness, guaranteeing that components maintain their shape and mechanical properties even under extreme conditions. This characteristic makes them suitable for applications requiring precision and accuracy, such as aerospace and automotive industries. In conclusion, the advantages of using creep-resistant steel round bars include their ability to withstand high temperatures, superior creep strength, corrosion resistance, weldability, dimensional stability, and high hardness. These advantages make them the preferred choice for various industries where reliability, longevity, and performance under harsh conditions are essential considerations.
- Q: Can steel round bars be used in the production of machinery?
- Yes, steel round bars can be used in the production of machinery. Steel round bars are commonly used in various industries, including machinery manufacturing. They provide strength, durability, and versatility, making them suitable for applications such as shafts, axles, gears, and other critical components in machinery.
- Q: How are steel round bars used in the construction of airports and runways?
- Steel round bars are commonly used in the construction of airports and runways due to their strength, durability, and versatility. These bars are primarily used in the reinforcement of concrete structures, ensuring that the airport infrastructure can withstand heavy loads and extreme weather conditions. In the construction of airport runways, steel round bars are commonly used to reinforce the concrete pavement. The bars are placed within the concrete during construction, providing additional tensile strength to the runway. This reinforcement helps to prevent cracking and crumbling under the weight of aircraft, ensuring a safe and reliable surface for landing and takeoff. Additionally, steel round bars are used in the construction of airport terminals and other buildings within the airport complex. They are often utilized in the framework of the structures, providing support and stability. The bars are commonly used in the construction of columns, beams, and foundations, ensuring the overall structural integrity of the buildings. Furthermore, steel round bars are employed in the construction of ancillary facilities such as hangars, control towers, and fuel storage facilities. These bars are used to reinforce the concrete foundations and walls, providing additional strength and stability to these critical structures. In summary, steel round bars are essential components in the construction of airports and runways. Their use reinforces concrete structures, providing the necessary strength and durability to withstand heavy loads and harsh environmental conditions. From runways to terminals and ancillary facilities, steel round bars play a crucial role in ensuring the safety and reliability of airport infrastructure.
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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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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