Carbon Steel Rod SAE 1045 Round Steel Bar

Carbon Steel Rod SAE 1045 Round Steel Bar System 1

Carbon Steel Rod SAE 1045 Round Steel Bar System 2

Carbon Steel Rod SAE 1045 Round Steel Bar System 3

Carbon Steel Rod SAE 1045 Round Steel Bar System 4

Carbon Steel Rod SAE 1045 Round Steel Bar

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Chemical Composition	Mechanical Properties (In Quenched & Tempered State)
C	0.43-0.50 %	Tensile strength(MPA)	≥600(61)
Si	0.17-0.37 %	Yield strength (MPA)	≥355(36)
Mn	0.60-0.90 %	Elongation (δ5/%)	≥16
Cr	≤0.25 %	Reduction in Area (ψ/%)	≥40
Ni	≤0.30 %	Impact (J)	≥ 39
P	≤0.040 %	Impact toughness value αkv (J/cm2)	≥49(5)
S	≤0.050 %	Hardness	≤229HB
Cu	≤0.25 %

Product Name	Typical Grades	Diameter(mm)	Standard adopted
Carbon Steel	20 (1020/S20C/C22)	Ø16-Ø300	GB/SAE/JIS/DIN
40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)	Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)	Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo	Ø16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)

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.

FAQ

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.

Packaging & Delivery

1, Packaging: seaworthy package or as required

2, Delivery: 35-45 days or based on quantity

Q: What is the maximum hardness achievable for steel round bars?: The maximum hardness attainable for steel round bars relies on various factors, including the steel's composition, the heat treatment process, and the desired properties for the specific application. Typically, steel can reach a maximum hardness of approximately 65 HRC or higher. This level of hardness is commonly achieved through procedures like quenching and tempering. Quenching entails rapidly cooling the steel from a high temperature to room temperature, resulting in a hardened structure. Subsequently, tempering is carried out to decrease brittleness and enhance the steel's toughness while maintaining a high level of hardness. It is crucial to acknowledge that pushing the hardness of steel beyond a certain point may result in reduced toughness and increased brittleness. Hence, the maximum attainable hardness must be balanced with the desired properties for the particular application, such as strength, ductility, and resistance to wear or impact.

Q: What are the different types of steel round bars used in the automotive suspension systems?: There are several types of steel round bars used in automotive suspension systems, including solid round bars, hollow round bars, and torsion bars. Solid round bars are commonly used to provide stability and support to the suspension system. Hollow round bars, on the other hand, are used to reduce weight without compromising strength. Torsion bars are another type of steel round bars that are used to provide resistance to twisting forces in the suspension system.

Q: What are the advantages of using alloy steel round bars?: There are several advantages of using alloy steel round bars. Firstly, alloy steel has superior strength and hardness compared to regular steel, making it more durable and resistant to wear and tear. Secondly, alloy steel round bars offer excellent corrosion resistance, making them suitable for use in various environments, including marine and chemical industries. Additionally, alloy steel can withstand high temperatures, making it ideal for applications that involve heat or extreme conditions. Lastly, alloy steel round bars can be easily machined and fabricated, allowing for versatility in design and customizations.

Q: What are the advantages of using nitriding steel round bars?: There are several advantages of using nitriding steel round bars. Firstly, nitriding steel round bars have a high surface hardness, which makes them resistant to wear, abrasion, and scratching. This makes them ideal for applications where the material needs to withstand harsh conditions and maintain its integrity over time. Additionally, nitriding steel round bars have improved fatigue and impact strength, making them suitable for heavy-duty applications. They also exhibit good heat resistance and can withstand high temperatures without losing their mechanical properties. Moreover, nitriding steel round bars have excellent corrosion resistance, reducing the need for frequent maintenance and replacement. Overall, the use of nitriding steel round bars offers enhanced durability, strength, and reliability, making them a preferred choice in various industries.

Q: What are the different methods used for machining steel round bars?: Machining steel round bars involves the use of various methods, each with its own advantages and applications. Some commonly employed techniques are as follows: 1. Turning: To achieve the desired shape, the steel round bar is rotated against a cutting tool that removes material. Turning is suitable for both external and internal operations, ensuring high precision and excellent surface finish. 2. Milling: This versatile method employs a rotating multi-tooth cutter to remove material from the steel round bar, creating flat or contoured surfaces. It is ideal for face milling, slotting, and profiling. 3. Drilling: Holes of different sizes and depths are created in the steel round bar using a rotating drill bit. This method can be performed manually or through automated processes. 4. Grinding: Precision is key in grinding, a machining technique that employs abrasives to remove material from the steel round bar. It ensures smooth surface finish, tight tolerances, and precise dimensions. Grinding machines, such as cylindrical or surface grinders, are utilized. 5. Boring: Boring enlarges existing holes or creates internal cylindrical shapes within the steel round bar. This technique involves rotating a cutting tool inside the bar to achieve desired dimensions and surface finish. 6. Broaching: Complex internal or external shapes are created using a broach, a multi-toothed cutting tool. The broach is pushed or pulled through the steel round bar to remove material and form the desired shape. 7. Sawing: The steel round bar is cut into desired lengths or shapes using a rotating blade with teeth. Sawing is efficient for mass production and can be done manually or with automated machines. These methods are just a selection of the techniques used for machining steel round bars. The choice of method depends on factors such as the desired shape, dimensions, tolerances, and surface finish, as well as the production volume and available equipment.

Q: What are the advantages of using carbon steel round bars?: Using carbon steel round bars in various applications offers several advantages. To begin with, carbon steel round bars are renowned for their exceptional strength and durability. They possess a high tensile strength, making them ideal for heavy-duty tasks that involve carrying substantial loads and enduring intense pressures. As a result, carbon steel round bars find extensive use in the construction, manufacturing, and engineering sectors. Another benefit of carbon steel round bars lies in their remarkable machinability. They can be effortlessly cut, drilled, and shaped into diverse forms, rendering them highly versatile for different projects. This flexibility allows for precise and accurate fabrication, ensuring that the desired specifications and dimensions are achieved. Furthermore, carbon steel round bars exhibit excellent weldability, enabling easy joining using various welding techniques. This feature makes them highly preferred for constructing structures and machinery that demand strong and secure connections. Moreover, carbon steel round bars offer a cost-effective solution compared to other materials with similar properties. They strike an optimal balance between performance and affordability, making them a favored choice across many applications. Additionally, their long lifespan and minimal maintenance requirements contribute to cost savings over time. Carbon steel round bars also possess a high resistance to corrosion and wear, thanks to the presence of carbon and other alloying elements. This enhanced resistance shields them from external factors like moisture, chemicals, and abrasion. Consequently, carbon steel round bars can endure harsh environments and prolonged exposure to various elements, making them well-suited for outdoor applications. Lastly, the widespread use and popularity of carbon steel round bars ensure their ready availability in the market. They can be found in various sizes, grades, and specifications, allowing users to select the most suitable option for their specific needs. This availability streamlines the sourcing process and reduces lead times for projects. In conclusion, the utilization of carbon steel round bars provides numerous advantages, including exceptional strength, excellent machinability, good weldability, affordability, corrosion resistance, and availability. These qualities establish carbon steel round bars as a reliable and versatile choice for a wide range of applications across different industries.

Q: Can steel round bars be used for making pipelines?: Pipelines can indeed be constructed using steel round bars. Steel is commonly utilized in pipeline construction because of its robustness, longevity, and ability to resist corrosion. Cylindrical in shape, round bars are easily manufactured and can be joined together through welding to create pipelines of different sizes and lengths. The steel round bars employed for pipelines typically consist of carbon or alloy steel, both of which possess substantial tensile strength and can endure high pressure and temperature conditions. Moreover, protective coatings like epoxy or polyethylene can be applied to steel round bars to heighten their resistance to corrosion. As a whole, steel round bars offer a dependable and efficient choice for building pipelines across various industries, including oil and gas, water supply, and construction.

Q: 12 of the diameter of the round steel can be M12 out of the thread is not: It depends on your material straight straight, generally should be right, you check the metric thread specification table, there is large size can be much, I think you are a little round a little better, so that you may get the car, do not appear to have a side material shortage phenomenon

Q: Can steel round bars be used in the manufacturing of machinery?: Yes, steel round bars can definitely be used in the manufacturing of machinery. Steel round bars are widely used in various industries for their strength, durability, and versatility. They are commonly used to create components such as shafts, axles, gears, and other mechanical parts that require high strength and resistance to wear and tear. Steel round bars offer excellent mechanical properties, including high tensile strength and good machinability, which make them suitable for use in heavy machinery and equipment. Additionally, steel round bars can be easily welded, forged, or machined into the desired shape, making them a preferred choice for manufacturing machinery.

Q: What are the different treatments available for steel round bars?: There are several different treatments available for steel round bars, depending on the desired properties and applications. Some common treatments include: 1. Heat Treatment: This process involves heating the steel round bars to a specific temperature and then cooling it rapidly or slowly to alter its mechanical properties. Heat treatment can improve hardness, strength, toughness, and resistance to wear and corrosion. 2. Quenching and Tempering: Quenching involves rapidly cooling the heated steel round bars in a liquid medium, such as water or oil, to increase hardness. Tempering follows quenching and involves reheating the steel to a lower temperature to reduce brittleness and increase toughness. 3. Surface Hardening: This treatment is used to increase the hardness of the outer layer of the steel round bar while maintaining a tough and ductile core. Common surface hardening methods include carburizing, nitriding, and induction hardening. 4. Cold Working: Cold working involves deforming the steel at room temperature through processes like rolling, drawing, or extrusion. This treatment can increase the strength and hardness of the steel round bars, while also improving dimensional accuracy and surface finish. 5. Coating: Applying a protective coating to steel round bars can enhance their resistance to corrosion and wear. Common coatings include zinc plating, galvanizing, and various types of paint or epoxy coatings. 6. Shot Blasting: This treatment involves shooting small metallic or abrasive particles at high speeds onto the surface of the steel round bars. Shot blasting can remove contaminants, scale, and rust, resulting in a clean and polished surface. It's important to note that the choice of treatment depends on the specific requirements of the steel round bars and the intended application. Consulting with experts or metallurgists is recommended to determine the most suitable treatment for a particular situation.

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