40Cr Steel Round Bar&JIS SCR440& ASTM 5140
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- Tianjin
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- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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40Cr Steel Round Bar&JIS SCR440& ASTM 5140
Product Description of 40Cr Steel Round Bar&JIS SCR440& ASTM 5140
1. Steel grade: ASTM4140, SCM440, 42CrMo, DIN1.7225
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 40Cr Steel Round Bar&JIS SCR440& ASTM 5140
Material | SCM4140 | 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 40Cr Steel Round Bar&JIS SCR440& ASTM 5140
C | Si | Mn | Cr | Mo | P | S |
0.38~0.43 | 0.15~0.35 | 0.75~1.00 | 0.8~1.1 | 0.15~0.25 | ≤0.035 | <0.04< td=""> |
Photo Show of 40Cr Steel Round Bar&JIS SCR440& ASTM 5140
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of 40Cr Steel Round Bar&JIS SCR440& ASTM 5140
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 plated or coated?
- Steel round bars can undergo plating or coating, which is a widely employed technique to enhance their appearance, durability, and resistance to corrosion. During this process, a layer of a different material is applied to the surface of the steel round bars using methods like electroplating, hot-dip galvanizing, powder coating, or painting. The choice of plating or coating material depends on the specific requirements and desired properties of the steel round bars. For instance, zinc plating is often used to provide corrosion resistance, while chrome plating can enhance their aesthetic appeal. In summary, plating or coating steel round bars can significantly enhance their performance and prolong their lifespan.
- Q:Are steel round bars suitable for marine applications?
- Yes, steel round bars are suitable for marine applications. Steel is known for its strength, durability, and corrosion resistance, making it a popular choice for various marine applications. Steel round bars are commonly used in the construction of marine structures, such as shipbuilding, offshore platforms, and marine equipment. The high tensile strength of steel allows it to withstand the harsh conditions of the marine environment, including the corrosive effects of saltwater. Additionally, steel can be easily fabricated and welded, making it a versatile material for marine applications. However, it is important to consider the specific requirements of the marine application and choose the appropriate type of steel round bar. Duplex stainless steel, for example, offers superior corrosion resistance compared to standard carbon steels and is often preferred for marine applications. It is also crucial to apply proper maintenance and protective coatings to ensure the longevity and performance of steel round bars in marine environments. Overall, steel round bars are a suitable choice for marine applications due to their strength, durability, and corrosion resistance. However, it is essential to select the right type of steel and implement proper maintenance practices to ensure optimal performance in the marine environment.
- Q:What are the different joining methods for steel round bars?
- There are several different joining methods that can be used for steel round bars, depending on the specific application and desired outcome. Some of the most common joining methods for steel round bars include welding, brazing, and mechanical joining. 1. Welding: Welding is a popular method for joining steel round bars. It involves melting the edges of the bars and fusing them together using heat. Various welding techniques such as arc welding, MIG welding, TIG welding, and spot welding can be used, depending on the thickness and type of steel being joined. Welding provides a strong and permanent bond, making it suitable for heavy-duty applications. 2. Brazing: Brazing is another method used to join steel round bars. It involves heating the bars and melting a filler metal that has a lower melting point than the steel. The molten filler metal is then drawn into the joint by capillary action, creating a strong bond when it solidifies. Brazing is often used when the base metals have different melting points or when a lower-temperature joining process is required. 3. Mechanical joining: Mechanical joining methods do not involve any heat or melting of the steel round bars. Instead, they rely on mechanical means to hold the bars together. Examples of mechanical joining methods include bolted connections, riveting, and clamping. These methods are often used when disassembly or adjustability is required, as they provide a non-permanent joint that can be easily undone. It is important to consider factors such as the strength requirements, environmental conditions, and the specific application when choosing a joining method for steel round bars. Each method has its own advantages and limitations, and the appropriate joining method should be selected to ensure a secure and durable bond between the round bars.
- Q:What are the limitations of using steel round bars?
- There are several limitations to using steel round bars. Firstly, steel round bars have a limited strength-to-weight ratio, which means they may not be suitable for applications that require high strength and low weight. Additionally, steel round bars can be prone to corrosion and rust if not properly protected or maintained. Another limitation is their inability to be easily shaped or bent, making them less flexible for certain design requirements. Lastly, steel round bars may not be cost-effective for small-scale or low-budget projects due to their higher material and manufacturing costs compared to other alternatives.
- Q:How do steel round bars compare to rubber round bars?
- Steel round bars and rubber round bars have different properties and applications. Steel round bars are known for their strength, durability, and resistance to high temperatures and corrosion. They are commonly used in construction, manufacturing, and engineering projects that require structural support or reinforcement. On the other hand, rubber round bars are known for their flexibility, shock absorption, and noise reduction properties. They are often used in applications such as automotive parts, conveyor belts, and vibration isolation systems. Overall, the choice between steel and rubber round bars depends on the specific requirements of the application and the desired properties needed.
- Q:How do steel round bars compare to other materials like aluminum or titanium?
- Steel round bars have certain advantages over materials like aluminum or titanium. Steel is known for its high strength and durability, making it suitable for heavy-duty applications. It has a higher tensile strength compared to aluminum, which gives it better resistance to bending or deformation. Additionally, steel round bars have a lower cost compared to titanium, making them more economical for various projects. However, aluminum and titanium offer their own unique benefits such as lighter weight and greater corrosion resistance, which may make them more suitable for specific applications. Ultimately, the choice between steel, aluminum, or titanium round bars depends on the specific requirements and constraints of the project at hand.
- Q:Can steel round bars be used in the aerospace manufacturing industry?
- Yes, steel round bars can be used in the aerospace manufacturing industry. Steel is a commonly used material in aerospace applications due to its strength, durability, and resistance to high temperatures. Steel round bars are often used in the construction of aircraft frames, landing gears, and engine components.
- Q:Are steel round bars suitable for use in the aerospace industry?
- Steel round bars are indeed appropriate for utilization in the aerospace sector. These bars possess exceptional robustness and resilience, rendering them an optimal selection for diverse applications in aerospace engineering. With their elevated tensile strength, they can endure the extreme temperatures and pressures commonly encountered during aerospace operations. Additionally, steel round bars exhibit commendable resistance against corrosion, a vital attribute for preserving the structural integrity of aircraft that face varying environmental conditions. Furthermore, their ability to be easily machined and welded makes them highly adaptable for producing components and structures within the aerospace industry. Ultimately, steel round bars represent a dependable and economically viable material option for aerospace applications.
- Q:Are steel round bars suitable for machining?
- Indeed, machining is a suitable application for steel round bars. Due to their remarkable machinability, steel round bars are frequently employed in diverse machining procedures. These bars can be effortlessly molded, sliced, bored, and rotated using various machining methods like milling, turning, drilling, and grinding. By offering commendable dimensional stability, exceptional strength, and outstanding wear resistance, steel round bars prove to be an ideal choice for machining operations. Moreover, the availability of different grades and alloys further expands the scope of machining applications in industries spanning automotive, aerospace, construction, and manufacturing.
- Q:Can steel round bars be used in the manufacturing of bicycles?
- Yes, steel round bars can be used in the manufacturing of bicycles. Steel round bars are commonly used in various parts of bicycles, such as the frame, handlebars, cranksets, and seatposts. Steel is a durable and strong material that can withstand the stresses and strains of cycling. It is also relatively inexpensive compared to other materials like carbon fiber. Steel round bars provide the necessary strength and stability required for a bicycle's structural components, ensuring a safe and reliable ride. Additionally, steel can be easily manipulated and shaped to meet the specific design requirements of a bicycle, making it a versatile material for manufacturing. Overall, steel round bars are a popular choice in the bicycle industry due to their durability, strength, and cost-effectiveness.
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40Cr Steel Round Bar&JIS SCR440& ASTM 5140
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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