C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields

Ref Price:
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
500000 m.t./month
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Item specifice

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:
13-300mm
Length:
6-12m
Net Weight:
2mt

C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields

 

Product Description of C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields

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 C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields

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 C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields

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 C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields

C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields

Packing and Delivery:

Packing in bundle package, or as customer's requirements.

Delivery Detail: 45 days after receiving the deposit.

 

Usage and Applications of C45 1045 Carbon Steel Round Bar for Machinery and Hardware Fields

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.

Astm 615 Bs4449 B500B Deformed Steel RebarsAstm 615 Bs4449 B500B Deformed Steel Rebars 

 

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:
Steel round bars can undergo several types of heat treatments, each aiming to enhance specific material properties. Common heat treatments include annealing, normalizing, quenching and tempering, and case hardening. 1. Annealing involves heating the steel round bar to a high temperature and gradually cooling it to room temperature. This process relieves internal stresses, improves machinability, and enhances ductility and toughness. 2. Normalizing, similar to annealing, requires heating the steel round bar to a specific temperature. However, instead of slow cooling, the bar is left to cool in air. Normalizing refines the grain structure, improves mechanical properties, and enhances machinability. 3. Quenching and tempering entails heating the steel round bar to a high temperature and rapidly cooling it using a quenching medium like oil or water. This rapid cooling achieves high hardness and strength. Subsequently, the steel is tempered by reheating it to a lower temperature, enhancing toughness and reducing brittleness. 4. Case hardening is employed to increase the surface hardness of the steel round bar while maintaining a tough core. This treatment involves heating the bar in the presence of carbon-rich substances like gas or liquid carburizing agents. It results in a hardened outer layer, known as the case, while the core remains relatively softer and more ductile. These examples demonstrate the various heat treatments applicable to steel round bars. The choice of heat treatment depends on the desired properties and applications of the steel. Consulting with metallurgical experts ensures the selection of the most appropriate treatment for each specific steel round bar.
Q:On the market, 8mm Round Bar is not 9 meters a root? How much does it weigh about 300 meters? How much does it cost?
The weight is 0.395 kilograms / meter by the theory. Can be rolled, is not the foot, the largest is 7.5 diameter, the price depends on the place, and the price is different from place to place
Q:
Steel round bars are indeed applicable for the production of industrial machinery. They are extensively employed in the manufacturing of diverse components and parts for industrial machinery due to their remarkable strength, durability, and versatility. These bars are capable of generating shafts, gears, rollers, and other vital elements that are indispensable for the appropriate operation of industrial machinery. The exceptional tensile strength of steel round bars enables them to endure substantial loads and resist deformation, rendering them an optimal choice for industrial applications. Furthermore, steel round bars can be effortlessly machined, welded, and fashioned into various shapes and sizes, thereby making them extremely suitable for customization in accordance with specific machinery requirements.
Q:
Yes, steel round bars can be used in the production of electrical equipment. Steel is a versatile material with various properties that make it suitable for different applications, including electrical equipment. Steel round bars can be used to manufacture components such as shafts, connectors, and structural supports in electrical equipment. The strength and durability of steel make it a reliable choice for these applications, as it can withstand the mechanical stresses and environmental conditions that electrical equipment may be exposed to. Additionally, steel can provide good electrical conductivity and magnetic properties, which are important characteristics for certain electrical components. However, it is worth noting that steel round bars may need to undergo additional processes such as machining, heat treatment, or surface finishing to meet specific requirements for electrical equipment production.
Q:
Yes, steel round bars can be used for making fencing. Steel round bars are commonly used in fencing applications due to their strength, durability, and resistance to corrosion. They provide a sturdy framework for fences and can be easily welded or attached to other fencing materials.
Q:
Yes, steel round bars are suitable for the production of gears. Steel is a strong and durable material that can withstand high levels of stress and friction, making it ideal for gear manufacturing. Additionally, steel round bars can be easily machined and heat-treated to achieve the required hardness and precision for gear production.
Q:
Steel round bars and fiberglass or composite bars have distinct differences in terms of their properties and applications. Strength and Durability: Steel round bars are known for their exceptional strength and durability. They have a high tensile strength and can withstand heavy loads and stress. Fiberglass or composite bars, on the other hand, have good strength-to-weight ratio but are generally not as strong as steel bars. They may be more prone to bending or breaking under high pressure or impact. Weight: Steel bars are significantly heavier than fiberglass or composite bars. This can be advantageous in certain applications where additional weight is desired for stability or to counteract external forces. However, in situations where weight reduction is crucial, such as in aerospace or automotive industries, fiberglass or composite bars are preferred due to their lightweight nature. Corrosion Resistance: Steel bars are susceptible to corrosion, especially when exposed to moisture or harsh environments. They require regular maintenance and protective coatings to prevent rusting. In contrast, fiberglass or composite bars are inherently corrosion-resistant, making them suitable for applications in marine or chemical industries where exposure to corrosive elements is common. Electrical Conductivity: Steel round bars are conductive, which can be advantageous in certain applications where electrical grounding or conductivity is required. Fiberglass or composite bars, being non-conductive, are preferred in situations where electrical insulation is necessary, such as in electrical installations or sensitive electronic systems. Cost: Steel bars are generally more cost-effective compared to fiberglass or composite bars. The raw materials for steel production are widely available, making them more affordable in most cases. Fiberglass or composite bars, on the other hand, involve complex manufacturing processes and the use of specialized materials, leading to higher production costs. In summary, steel round bars are favored for their strength, durability, and cost-effectiveness. They are commonly used in construction, manufacturing, and infrastructure projects. Fiberglass or composite bars, on the other hand, offer advantages in terms of weight reduction, corrosion resistance, electrical insulation, and are frequently used in applications requiring these properties. The choice between the two depends on the specific requirements and conditions of the project or industry.
Q:
No, steel round bars are not suitable for food processing applications as they can corrode and contaminate the food. Stainless steel is typically used in such applications due to its corrosion resistance and hygienic properties.
Q:
There are several different finishes available for steel round bars, each of which serves a specific purpose and provides distinct benefits. Some of the most common finishes include: 1. Hot Rolled: This finish is achieved by heating the steel above its recrystallization temperature and then rapidly cooling it. It results in a rough, scaly surface texture that provides excellent corrosion resistance and durability. 2. Cold Rolled: In this process, the steel is rolled at room temperature, resulting in a smooth and polished finish. Cold rolled steel round bars are known for their precise dimensions, tight tolerances, and improved surface finish. 3. Bright Drawn: This finish involves subjecting the steel round bars to a drawing process, where they are pulled through a die to achieve the desired shape and size. It leaves the surface smooth, bright, and free from any imperfections or defects. 4. Polished: Polishing is typically done after the steel round bars have been cold rolled or drawn. It involves using abrasive materials or chemical treatments to remove any surface imperfections and create a highly reflective finish. Polished steel round bars are often used in decorative applications. 5. Ground: Grinding is a process where the steel round bars are subjected to abrasive wheels to remove any surface imperfections or irregularities. It results in a smooth and even finish, making the bars suitable for applications where tight tolerances and uniformity are required. 6. Galvanized: Galvanizing is a coating process where the steel round bars are dipped in a bath of molten zinc. This creates a protective layer that prevents corrosion and increases the lifespan of the bars, making them suitable for outdoor applications or environments with high humidity or moisture. These different finishes offer a range of properties and appearances, allowing steel round bars to be used in various industries and applications such as construction, automotive, manufacturing, and engineering. It is important to consider the specific requirements and conditions of the intended use when selecting the appropriate finish for steel round bars.
Q:
The main difference between a centerless ground steel round bar and a hot rolled steel round bar is the manufacturing process. Centerless grinding involves removing material from the bar's outer diameter using abrasive wheels, resulting in a precise and smooth finish. On the other hand, hot rolling involves heating the steel and passing it through a series of rollers to shape it into a round bar, often resulting in a rougher surface. Additionally, centerless ground bars tend to have tighter dimensional tolerances and better surface quality compared to hot rolled bars.

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