• 1040 1045 Hot Rolled Carbon Steel Bar System 1
  • 1040 1045 Hot Rolled Carbon Steel Bar System 2
  • 1040 1045 Hot Rolled Carbon Steel Bar System 3
  • 1040 1045 Hot Rolled Carbon Steel Bar System 4
  • 1040 1045 Hot Rolled Carbon Steel Bar System 5
  • 1040 1045 Hot Rolled Carbon Steel Bar System 6
1040 1045 Hot Rolled Carbon Steel Bar

1040 1045 Hot Rolled Carbon Steel Bar

Ref Price:
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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:
16mm-360mm
Length:
6m
Net Weight:
2mt

1040 1045 Hot Rolled Carbon Steel Bar

 

Product Description of 1040 1045 Hot Rolled Carbon Steel Bar

1. Steel grade: SAE1040, 40#, C40, S40C

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 1040 1045 Hot Rolled Carbon Steel Bar

Material

         1040

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 1040 1045 Hot Rolled Carbon Steel Bar

C

Si

Mn

Cr

Ni

Cu

0.37~0.43

0.17~0.37

0.35~0.65

≤0.25

≤0.30

≤0.25

 

Photo Show of 1040 1045 Hot Rolled Carbon Steel Bar

1040 1045 Hot Rolled Carbon Steel Bar

Packing and Delivery:

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

Delivery Detail: 45 days after receiving the deposit.

 

Usage and Applications of 1040 1045 Hot Rolled Carbon Steel Bar

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:What are the advantages of using spring steel round bars?
There are several advantages of using spring steel round bars: 1. High strength: Spring steel round bars are known for their exceptional strength. They are designed to withstand high levels of stress and strain, making them ideal for applications that require strong and durable materials. 2. Flexibility: Spring steel round bars have excellent flexibility, allowing them to be easily shaped, bent, or formed without losing their strength. This flexibility makes them suitable for various manufacturing processes and applications. 3. Superior elasticity: Spring steel round bars possess excellent elasticity, enabling them to return to their original shape after being subjected to deformation or stress. This elasticity is crucial in applications where materials need to absorb shocks or vibrations. 4. Resistance to fatigue: Spring steel round bars are highly resistant to fatigue and can withstand repeated cycles of loading and unloading without losing their mechanical properties. This resistance to fatigue ensures their reliability and longevity, making them suitable for demanding applications. 5. Excellent toughness: Spring steel round bars exhibit exceptional toughness, which means they can withstand sudden impact or heavy loads without breaking or fracturing. This characteristic makes them suitable for applications that require materials to withstand harsh environments or heavy-duty operations. 6. Corrosion resistance: Many spring steel round bars are made from corrosion-resistant alloys, providing protection against rust and other forms of corrosion. This corrosion resistance makes them suitable for applications where exposure to moisture or corrosive substances is expected. 7. Cost-effective: Spring steel round bars offer a cost-effective solution compared to other types of steel or materials. Their durability and longevity reduce the need for frequent replacements, ultimately saving costs in the long run. In summary, the advantages of using spring steel round bars include high strength, flexibility, superior elasticity, resistance to fatigue, excellent toughness, corrosion resistance, and cost-effectiveness. These properties make them a preferred choice in various industries, including automotive, construction, manufacturing, and aerospace.
Q:Can steel round bars be used for making sway bars?
Certainly! Sway bars can indeed be crafted using steel round bars. These bars, also recognized as stabilizer bars or anti-roll bars, are implemented in automobiles to diminish body roll and enhance stability while maneuvering corners. The utilization of steel round bars is quite prevalent for this task owing to their remarkable robustness and endurance. The circular form facilitates the uniform dispersion of forces and furnishes crucial torsional stiffness necessary for sway bars to effectively govern body roll. Furthermore, steel is effortlessly obtainable, economical, and can be conveniently shaped and sized to cater to sway bar requirements.
Q:What are the different types of steel round bar surface finishes for corrosion resistance?
There are several types of steel round bar surface finishes that provide corrosion resistance. Some common options include polished, brushed, satin, and electropolished finishes. Additionally, coatings such as galvanized, black oxide, and powder coating can also be applied to steel round bars to enhance their corrosion resistance.
Q:Can steel round bars be used for making power transmission systems?
Certainly! Power transmission systems can indeed be made using steel round bars. Various industries commonly use steel round bars because of their remarkable strength and durability. Their capacity to endure high torque and load capacities makes them suitable for power transmission systems. Steel round bars can be machined and shaped into different sizes and forms, offering versatility for diverse power transmission applications. Moreover, steel exhibits exceptional wear resistance and can withstand severe operating conditions, rendering it an ideal material for power transmission systems that necessitate enduring performance.
Q:Can steel round bars be used in the manufacturing of kitchenware?
Yes, steel round bars can be used in the manufacturing of kitchenware. Steel is a durable and versatile material that is commonly used in the production of kitchen utensils and cookware. Steel round bars can be shaped and molded into various kitchenware items such as pots, pans, knives, spoons, and forks. The strength and heat resistance of steel make it suitable for cooking and food preparation purposes. Additionally, steel is easy to clean, hygienic, and resistant to corrosion, making it ideal for use in kitchenware.
Q:How do steel round bars perform in high-temperature environments?
Steel round bars generally perform well in high-temperature environments. The performance of steel round bars in high-temperature conditions can be attributed to their high melting point and excellent heat resistance properties. Steel has a relatively high melting point compared to other materials, allowing it to withstand elevated temperatures without losing its structural integrity. Furthermore, steel round bars possess excellent thermal conductivity, which allows them to dissipate heat efficiently, minimizing the risk of deformation or structural failure. This property makes steel round bars suitable for applications where heat is generated, such as in industrial processes or high-temperature equipment. In addition to its high melting point and thermal conductivity, steel also demonstrates good mechanical strength at high temperatures. It retains its load-bearing capacity and dimensional stability, ensuring that it can withstand the stresses and strains imposed on it in high-temperature environments. However, it is important to note that the performance of steel round bars in high-temperature conditions may be influenced by the specific grade of steel used. Different grades of steel have varying compositions and alloying elements which can affect their performance at elevated temperatures. It is crucial to select the appropriate grade of steel that is specifically designed for high-temperature applications to ensure optimal performance and longevity. Overall, steel round bars are a reliable and durable choice for use in high-temperature environments due to their high melting point, excellent thermal conductivity, and mechanical strength.
Q:What are the environmental considerations of steel round bars?
Steel round bars have several environmental considerations. Firstly, the production of steel requires a significant amount of energy, which often comes from non-renewable sources, leading to greenhouse gas emissions and contributing to climate change. Additionally, the extraction and processing of raw materials for steel production, such as iron ore and coal, can have detrimental effects on local ecosystems and habitats. Furthermore, the transportation of steel round bars can result in carbon emissions if not done efficiently. However, steel is a highly recyclable material, and the use of recycled steel in the production of round bars can help reduce environmental impact. Additionally, the durability and strength of steel make it a long-lasting material, leading to less waste in the long run.
Q:What is the tolerance for diameter in steel round bars?
The tolerance for diameter in steel round bars can vary depending on the specific application and industry standards. However, in general, the tolerance for diameter in steel round bars typically ranges from +/- 0.005 inches to +/- 0.010 inches.
Q:What is the difference between a bright and a cold finished steel round bar?
A bright steel round bar and a cold finished steel round bar are two distinct types of steel bars that differ in their manufacturing processes and resulting characteristics. A bright steel round bar, also known as a turned or polished bar, undergoes a process called turning or polishing. During this process, the rough steel bar is rotated on a lathe machine and a cutting tool is applied to remove the outer layer of the bar, resulting in a smooth and shiny surface. This process not only enhances the appearance of the bar but also improves its dimensional accuracy and surface finish. Bright steel round bars are commonly used in applications where aesthetics and a high-quality surface finish are important, such as architectural components, decorative items, and certain automotive parts. On the other hand, a cold finished steel round bar undergoes a different manufacturing process called cold drawing or cold rolling. In this process, the hot-rolled steel bar is passed through a series of dies at room temperature, reducing its diameter and increasing its length. This cold working process gives the steel bar improved mechanical properties, such as increased tensile strength, improved yield strength, and enhanced dimensional accuracy. Cold finished steel round bars are often used in applications that require high strength and precision, such as shafts, gears, bolts, and tools. In summary, the main difference between a bright steel round bar and a cold finished steel round bar lies in their manufacturing processes and resulting characteristics. While a bright steel round bar is turned or polished to achieve a smooth and shiny surface, a cold finished steel round bar undergoes cold drawing or rolling to enhance its mechanical properties and dimensional accuracy. The choice between these two types of steel bars depends on the specific requirements of the application, such as the need for aesthetics, surface finish, strength, or precision.
Q:What are the different types of steel round bar alloys for improved machinability?
There are several types of steel round bar alloys that are known for their improved machinability. Some common alloys include free-machining steel alloys such as 12L14, 1215, and 1144. These alloys contain higher levels of sulfur, which helps break up the chips during machining and improves the overall machinability of the steel. Additionally, there are also stainless steel alloys such as 303 and 416, which are specifically designed for improved machinability and are often used in applications where corrosion resistance is required.

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