1040 1045 Hot Rolled Carbon Steel Bar
- 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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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:
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
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.
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 different grades of steel used in round bars?
- The different grades of steel used in round bars vary depending on the desired properties and applications. Some common grades include mild steel (low carbon steel), stainless steel, alloy steel, and tool steel. Each grade offers specific characteristics such as strength, corrosion resistance, hardness, or machinability, allowing for a wide range of applications in industries like construction, manufacturing, automotive, and aerospace.
- Q:Are steel round bars suitable for the production of fasteners?
- Yes, steel round bars are suitable for the production of fasteners. Steel is a strong and durable material that can withstand high levels of tension and pressure, making it ideal for fasteners. Round bars, in particular, offer a smooth and uniform surface that is easy to machine and shape into various types of fasteners such as bolts, screws, and studs. The versatility of steel round bars allows for customization in terms of size, length, and surface finish, making them suitable for a wide range of fastening applications in industries such as construction, automotive, and manufacturing. Additionally, steel round bars have excellent corrosion resistance properties when coated with protective finishes, ensuring the longevity and reliability of the fasteners.
- Q:What are the chemical composition requirements for steel round bars?
- The chemical composition requirements for steel round bars vary depending on the specific grade or type of steel being used. However, in general, steel round bars are typically made from carbon steel, alloy steel, or stainless steel. Carbon steel round bars typically have a chemical composition consisting of iron and carbon, with trace amounts of other elements such as manganese, phosphorus, sulfur, and silicon. The carbon content in carbon steel round bars can range from 0.08% to 2.1%, depending on the desired strength and hardness. These bars are commonly used in construction, manufacturing, and general-purpose applications. Alloy steel round bars contain additional alloying elements such as chromium, nickel, molybdenum, vanadium, and manganese. These elements are added to enhance the mechanical properties of the steel, such as improved strength, hardness, and resistance to wear and corrosion. The specific chemical composition requirements for alloy steel round bars can vary significantly depending on the desired properties and the specific alloy being used. Stainless steel round bars are composed primarily of iron, chromium, and nickel, along with smaller amounts of other elements such as carbon, manganese, and molybdenum. The high chromium content in stainless steel provides excellent corrosion resistance, while the nickel content enhances its strength and ductility. The chemical composition requirements for stainless steel round bars are typically specified by international standards such as ASTM or EN, which outline the minimum and maximum allowable percentages of each element. In summary, the chemical composition requirements for steel round bars depend on the specific grade or type of steel being used, with carbon steel, alloy steel, and stainless steel being the most common types. The composition of these bars is carefully controlled to achieve the desired mechanical properties and performance characteristics for various applications.
- Q:How do you prevent warping during welding of steel round bars?
- To prevent warping when welding steel round bars, there are several precautions that can be taken: 1. Ensure proper fit-up: Before welding, make sure the round bars are correctly aligned and fitted together. Any gaps or misalignments can cause uneven heating and cooling, increasing the likelihood of warping. 2. Divide welding into smaller sections: Instead of continuously welding along the entire length of the round bar, break it down into multiple smaller sections. This will help distribute heat more evenly and decrease the risk of warping. 3. Use low heat input techniques: Employ welding techniques like pulse welding or tack welding that minimize heat input. These methods allow for controlled and intermittent heating, reducing the chances of warping. 4. Consider preheating: Preheating the round bars before welding can also prevent warping, especially with thicker bars or when welding dissimilar metals. Preheating helps minimize the temperature difference between the weld and the surrounding material, reducing the risk of warping. 5. Monitor and control heat input: Keep a close eye on the heat input during welding. Excessive heat can cause rapid expansion and contraction, leading to warping. Use appropriate welding parameters, such as lower amperage and shorter welding times, to control the heat input. 6. Utilize welding fixtures: Use welding fixtures or jigs to securely hold the round bars in place during welding. This helps maintain proper alignment and prevents movement, reducing the chance of warping. 7. Allow for natural cooling: After welding, let the round bars cool down slowly and naturally. Avoid rapid cooling methods like quenching, as they can induce stress and increase the risk of warping. By implementing these measures, the likelihood of warping when welding steel round bars can be significantly reduced, resulting in higher quality and more dependable welded joints.
- Q:Are square steel, rectangular tube and angle steel shaped or light steel?
- Section steel is a kind of strip steel with definite section shape and size.In accordance with the different smelting quality of steel, steel is divided into ordinary steel and high quality steel. According to the current catalogue of metal products, ordinary steel can be divided into large section steel, medium section steel and small section steel. The section steel can be divided into I-beam, channel steel, angle steel, round steel and so on according to its sectional shape.
- Q:What are the different types of steel round bar alloys for improved wear resistance?
- Some common types of steel round bar alloys that are known for improved wear resistance include tool steels, stainless steels, and alloy steels. These alloys are specifically designed to withstand wear and abrasion, making them suitable for various applications such as cutting tools, machinery components, and automotive parts.
- Q:What are the different types of steel round bar alloys for improved strength?
- There are several different types of steel round bar alloys that are known for their improved strength. These alloys are developed through the addition of various elements to the steel composition, resulting in different properties and strengths. One commonly used alloy for improved strength is carbon steel. This alloy contains a higher carbon content, which enhances its strength and hardness. Carbon steel round bars are widely used in applications that require high strength, such as construction, automotive, and machinery. Another type of alloy is stainless steel, which is known for its corrosion resistance and high strength. Stainless steel round bars are often used in environments where corrosion is a concern, such as marine applications, food processing, and chemical plants. Alloy steel is another category that offers improved strength. This type of steel is created by adding elements such as chromium, molybdenum, and nickel to the composition. Alloy steel round bars are commonly used in industries that require high strength and durability, such as aerospace, oil and gas, and power generation. Tool steel is yet another alloy that provides enhanced strength and toughness. Tool steel round bars are specifically designed for machining and cutting applications, where high wear resistance and hardness are crucial. Lastly, there are specialty alloys such as nickel alloy and titanium alloy round bars, which offer exceptional strength and unique properties for specific applications. Nickel alloy round bars are often used in industries such as aerospace, chemical, and nuclear, while titanium alloy round bars are commonly found in aerospace, medical, and automotive industries. In conclusion, the different types of steel round bar alloys for improved strength include carbon steel, stainless steel, alloy steel, tool steel, and specialty alloys. Each of these alloys has its own unique properties and applications, providing a wide range of options for industries that require high strength materials.
- Q:Can steel round bars be hot worked?
- Yes, steel round bars can be hot worked.
- Q:How do you measure the straightness tolerance of a steel round bar?
- To determine the straightness tolerance of a steel round bar, various methods can be employed based on the desired level of accuracy and precision. Below are several commonly used techniques: 1. Visual Inspection: This straightforward approach involves visually examining the bar for any noticeable deviations from straightness. Placing the bar on a flat surface allows for the detection of bends or curves along its length. However, it is worth noting that this method is subjective and may not yield precise measurements. 2. Straightedge Method: Using a straightedge such as a ruler or precision straightedge, one can assess the presence of gaps or spaces between the straightedge and the bar's surface. This method offers a higher level of accuracy but can still be influenced by human error. 3. Dial Indicator Method: By utilizing a dial indicator, a precise measuring tool, the straightness tolerance can be measured. Fixing the dial indicator to a stationary point and moving it along the length of the bar enables the identification of any deviations from a straight line. This method provides more precise measurements and can quantify the straightness tolerance in specific units like inches or millimeters. 4. Laser Measurement: Laser systems, such as laser alignment devices, serve as an effective means of measuring the straightness tolerance of a steel round bar. These systems project a straight line onto the bar's surface using lasers and then analyze any deviations from this line. Laser measurement offers highly accurate and repeatable results, making it suitable for applications requiring strict tolerances. It is essential to consider the required level of accuracy, the size of the round bar, and the available resources and equipment when selecting a measurement method. It is also advisable to consult industry standards and guidelines to ensure compliance with specific tolerances and requirements relevant to your application.
- Q:Can steel round bars be bent or formed into shapes?
- Yes, steel round bars can be bent or formed into various shapes through processes such as heating, hammering, or using specialized machinery like bending tools or hydraulic presses.
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1040 1045 Hot Rolled Carbon Steel Bar
- 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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