1040 Carbon Structural Steel Round Bars
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 m.t./month
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1040 Carbon Structural Steel Round Bars
Products Details
Mild steel is sometimes referred to as carbon steel or plain steel. Typically, it is stiff and strong. Carbon steels do rust easily, but they can be easily painted or primed. They are cheap so they are the normal choice for most fabrications. Mild Steel can be easily cut or drilled to meet your requests.
Mild Steel Round Bar is used for making security grills, screens, Construction and Machine Manufacture.
Material: Q195; Q235; A36; SS400; ST37; SAE1006/1008; S275JR; 20#; 45#; Q345,S355JR; 16Mn; ST52;
42CrMo; 40CrNiMo etc.
1. Sizes Information
| Sizes detalis | diameter | 16-320mm |
| length | 3-12m(canbe customerized) | |
| Sizes tolerance | length | +/-100mm |
| Straightness | 3mm/m |
2. Grade Comparison
| GB | ASTM | JIS | DIN | BS | NF |
| 40# | 1040 | S40C | C40 | IC40080M40 | C40 |
3. Chemical Composition
| C | Si | Mn | Cr(≤) | Ni(≤) | Cu(≤) |
| 0.37-0.44 | 0.17-0.37 | 0.5-0.8 | 0.25 | 0.3 | 0.25 |
4. Mechanical Properties
| Tensile Strength(Mpa) | Yield Strength(Mpa) | Elongation | Shrinkage | Akv(J) | ||||
| 570 | 335 | 19 | 45 | 47 | ||||
Products Show
Product Overviews
| 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) |
Application
| Carbon Steel | Mold bottom, Plastic mold, Construction machinery parts Automobile parts, Security grills, Screens, Construction |
| Bearing Steel | Aerospace, Navigation, Nuclear energy, Chemical industry Electronic information, Petrochemical, Instrument and meter Transportation |
| Cr-Mo Steel | Mechanism & Fasteners gear, Stressed components for vehicles Engines and machines, Parts of larger cross-section |
| Gear Steel | All kinds of gears, Statically and dynamically stressed component for vehicles Engines and machine, Larger cross-section parts, Crankshafts |
Work Shop
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: Can steel round bars be used in the manufacturing of office furniture?
- Office furniture can indeed utilize steel round bars. Steel, being a versatile and enduring material, can be molded into various shapes, including round bars. These bars are useful as structural elements in office furniture, such as table legs, chair frames, and support beams. They provide the furniture with strength and steadiness, making them suitable for heavy usage in office settings. Furthermore, steel can be finished in diverse manners, such as powder coating or chrome plating, to enhance its appearance and match the office space's aesthetic. All in all, the utilization of steel round bars in the production of office furniture offers both durability and stability, while also providing a contemporary appearance.
- Q: How are steel round bars stored?
- Steel round bars are typically stored in a vertical position, either stacked on racks or placed in specially designed shelves or racks. These storage methods ensure that the bars are well-supported and easily accessible for transportation and use. Additionally, steel round bars are often bundled or strapped together to prevent them from rolling or becoming disorganized.
- Q: What is the maximum temperature that steel round bars can withstand?
- The maximum temperature that steel round bars can withstand depends on the specific grade or type of steel being used. Generally, carbon steel can withstand temperatures up to around 1,482 degrees Celsius (2,700 degrees Fahrenheit) before it starts to lose its structural integrity. However, it is important to note that different alloying elements and manufacturing processes can alter the maximum temperature tolerance of steel. For example, stainless steel can withstand higher temperatures than carbon steel due to its increased resistance to oxidation and corrosion. Furthermore, it is essential to consider the duration of exposure to high temperatures, as prolonged heat exposure can lead to softening and eventual failure of the steel. Therefore, it is crucial to consult the manufacturer's specifications or seek professional advice to determine the maximum temperature that a specific steel round bar can withstand in a given application.
- Q: Can steel round bars be used in the hospitality industry?
- Certainly! Steel round bars are indeed applicable in the hospitality field. Possessing versatility and durability, they are well-suited for a variety of purposes within this industry. These bars can be employed in the construction of furniture items like chairs, tables, and bar stools, as well as in the creation of decorative elements such as railings, light fixtures, and signage. Moreover, steel round bars offer exceptional strength and stability, thus ensuring the safety of both guests and staff members. Furthermore, they can be easily customized to align with the preferred aesthetic and design choices of different hospitality establishments. All in all, steel round bars prove to be a dependable and pragmatic option for the hospitality industry, thanks to their robustness, versatility, and visual appeal.
- Q: Can steel round bars be used in the construction equipment industry?
- In the construction equipment industry, it is common to use steel round bars. These bars are well-known for their strength, durability, and versatility, which makes them suitable for various applications in construction equipment. They can be utilized to produce components like axles, shafts, pins, and fasteners. The robustness of steel round bars guarantees that construction equipment can withstand heavy loads and harsh working conditions. Moreover, steel round bars are easily machinable and weldable, enabling manufacturers to create intricate and customized designs for construction equipment. All in all, due to their exceptional mechanical properties and ability to enhance equipment performance and longevity, steel round bars are extensively employed in the construction equipment industry.
- Q: What are the environmental impacts of steel round bar production?
- The production of steel round bars has a range of environmental consequences. Firstly, the extraction of raw materials, like iron ore and coal, necessary for steel production, results in habitat destruction, deforestation, and disruption of ecosystems. Mining activities also produce substantial amounts of waste, including tailings and waste rock, which can contaminate soil, bodies of water, and the air. Converting iron ore into steel requires significant energy consumption, primarily derived from fossil fuels. The burning of these fuels releases greenhouse gases, such as carbon dioxide and nitrogen oxides, contributing to climate change and air pollution. Furthermore, steel production emits particulate matter, sulfur dioxide, and other pollutants that can have adverse effects on human health and ecosystems. The manufacturing of steel also demands substantial water usage for cooling, cleaning, and processing. Without proper water management practices, this can lead to water scarcity and pollution. Discharging untreated or inadequately treated wastewater from steel production can contaminate nearby water sources, impacting aquatic life and potentially harming human populations that rely on these bodies of water. Additionally, the transportation of raw materials and finished steel products over long distances contributes to carbon emissions and air pollution. The energy-intensive nature of steel production and transportation further amplifies the overall environmental impacts of the industry. To mitigate these environmental impacts, the steel industry has implemented various measures. These include adopting more efficient technologies, such as recycling and waste reduction, enhancing energy efficiency, and implementing cleaner production processes. Furthermore, the industry has been prioritizing the reduction of its carbon footprint by increasing the utilization of renewable energy sources and implementing carbon capture and storage technologies. Overall, while the production of steel round bars has negative environmental implications, ongoing efforts within the industry aim to minimize these impacts and transition towards more sustainable practices.
- Q: How do steel round bars compare to brass or copper bars?
- When comparing steel round bars to brass or copper bars, several key differences can be observed. Firstly, steel bars are renowned for their superior strength and durability. They possess a high tensile strength and can withstand heavy loads and impacts, making them ideal for applications that require robustness and toughness. Conversely, brass and copper bars are relatively softer and less rigid, making them more suitable for applications that prioritize malleability and electrical conductivity. Another noteworthy distinction lies in their resistance to corrosion. While brass and copper bars are highly regarded for their excellent corrosion resistance, steel bars, particularly carbon steel, are more susceptible to rusting. However, stainless steel round bars exhibit high resistance to corrosion due to the presence of chromium, making them a suitable alternative to brass or copper bars in environments where corrosion is a concern. In terms of cost, steel round bars are generally more economical compared to brass or copper bars. This is mainly due to the greater availability and lower production costs associated with steel. Brass and copper, being non-ferrous metals, are less abundant and require more complex extraction and refining processes, resulting in relatively higher costs. Moreover, steel round bars offer a wide range of mechanical properties, such as different grades and compositions, enabling customization based on specific application requirements. Conversely, brass and copper bars have more limited options in terms of strength and hardness variations. Overall, the choice between steel, brass, or copper round bars depends on the specific application and desired properties. Steel bars are preferred for their strength, durability, and cost-effectiveness, while brass or copper bars are favored for their malleability, electrical conductivity, and corrosion resistance.
- Q: What is the difference between a seamless and a welded steel round bar?
- The main difference between a seamless and a welded steel round bar lies in their manufacturing processes. A seamless steel round bar is produced by piercing a solid cylindrical billet, while a welded steel round bar is created by welding together multiple pieces of steel. This results in a seamless bar having a smoother surface and uniform composition, making it stronger and more resistant to corrosion. On the other hand, a welded round bar may have visible seams due to the welding process, which can affect its strength and durability.
- Q: How do steel round bars resist corrosion?
- Steel round bars resist corrosion due to the presence of a protective oxide layer on their surface, formed through the process of passivation. This oxide layer acts as a barrier, preventing the steel from coming into direct contact with corrosive substances, thereby inhibiting the oxidation reaction that leads to corrosion. Additionally, certain alloying elements, such as chromium, can be added to the steel composition to enhance its corrosion resistance properties.
- Q: Are steel round bars suitable for the production of hydraulic cylinders?
- Steel round bars are indeed appropriate for manufacturing hydraulic cylinders. Steel is renowned for its robustness, longevity, and resistance to corrosion, thus making it an exceptional option for hydraulic purposes. Due to their exceptional tensile strength and capacity to endure substantial loads and pressure, steel round bars are frequently employed in the construction of hydraulic cylinders. Furthermore, steel can be effortlessly machined and welded, enabling accurate production and customization of hydraulic cylinders. In summary, steel round bars possess the essential attributes and capabilities needed for manufacturing hydraulic cylinders.
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1040 Carbon Structural Steel Round Bars
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 10000 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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