Carbon Structural Steel Round Bars Q235CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 m.t./month
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Carbon Structural Steel Round Bars Q235CR
PRODUCT SPECIFICATION
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr |
| Q235CR | ≤0.22 | ≤0.35 | ≤1.4 | ≤0.050 | ≤0.045 | ≥0.30 |
2, Mechanical Properties
| Strength of Extension σb | Yield Strength σs | Elogation δ5 |
| 375-500 Mpa | ≥235 Mpa | ≥25 % |
3, Diameter: 9mm - 80mm
APPLICATION
1, Widely used in construction and engineering structure.
2, Widely used in making reinforcing steel bar or building plant room rack, high voltage transmission tower, bridge, vehicle, boiler, vessel, ship, etc.
3, Widely used in manufacturing mechanical parts which are not required to be with high performance.
4, Q235CR with grade C or D can be used as steel with special use.
5, Can be used in making all kinds of mould hand and other unimportant mould parts.
6, Can be used as punch material.
PRODUCT MAIN POINTS
1, Heat Treatment: normalizing, annealing, tempering, quenching
2, Surface Treatment: black, grinding, bright, polish
3, Product Process: hot rolled, cold drawn, forged
FAQ
1, Payment Terms:
30% T/T deposit & 70% T/T before delivery.
Irrevocable L/C at sight
2, Trade Terms:
FOB, CIF, CNF
3, Delivery Time:
Normally 30-40 days. According to quantity.
4, Manufacture or Trading Company:
CNBM is a state-owned fortune global 500 trading company. We have intergrated supply system.
There are about 20 overseas locations in different countries.
PRODUCT SHOW
ABOUT US
- Q:How do steel round bars compare to ceramic round bars?
- The properties and applications of steel round bars and ceramic round bars differ significantly. Steel round bars exhibit exceptional strength and durability due to their composition of iron and carbon alloys, along with additional elements like manganese, chromium, and nickel. They possess high resistance to deformation, can withstand high temperatures, and have impressive tensile strength. As a result, steel round bars find common use in construction, manufacturing, and engineering industries where strength and reliability are vital. Their versatility allows for easy machining and shaping into various forms. On the contrary, ceramic round bars consist of non-metallic materials such as clay, porcelain, or glass. Ceramics offer distinct properties, including heat resistance, corrosion resistance, and wear resistance. Additionally, they are chemically inert and exhibit excellent electrical insulation capabilities. Ceramic round bars are frequently employed in industries that demand high-temperature resistance, chemical resistance, or electrical insulation, such as aerospace or electronic component manufacturing. When comparing steel round bars to ceramic round bars, it is crucial to consider the specific requirements of the application at hand. Steel round bars are preferred for heavy-duty uses where mechanical stress and load-bearing capabilities are essential, owing to their exceptional strength and toughness. Conversely, ceramic round bars are often chosen for their resistance to heat, chemicals, and electrical insulation properties, which play a crucial role in specialized industries. In conclusion, steel round bars and ceramic round bars possess distinct properties and are suitable for diverse applications. Steel round bars excel in heavy-duty uses, owing to their strength and durability, while ceramic round bars are particularly valuable in applications requiring high-temperature resistance, chemical resistance, and electrical insulation.
- Q:Can steel round bars be coated?
- Yes, steel round bars can be coated. Coating steel round bars with materials like paint, epoxy, or zinc can provide protection against corrosion and enhance their aesthetic appearance.
- Q:How do you measure the surface roughness of a steel round bar?
- To measure the surface roughness of a steel round bar, there are several methods available. One commonly used technique is the use of a profilometer or surface roughness tester. First, ensure that the steel round bar is cleaned and free from any contaminants. Then, place the round bar on a stable surface and set up the profilometer according to the manufacturer's instructions. Next, calibrate the profilometer using a known reference standard with a defined surface roughness value. This calibration will ensure accurate measurements. Once the instrument is calibrated, gently run the profilometer stylus or probe along the length of the steel round bar's surface. The stylus will detect the variations in height and depth of the surface, providing a profile of the roughness. The profilometer will provide readings in various parameters, such as Ra (average roughness), Rz (mean roughness depth), Rq (root mean square roughness), etc. These parameters quantify the roughness characteristics of the steel round bar's surface. It is important to take multiple readings at different locations along the round bar to obtain a representative average roughness value. This will account for any localized variations in surface roughness. Additionally, it is crucial to consider the appropriate cutoff length or evaluation length, as it affects the measured roughness value. The cutoff length defines the distance over which the surface profile is evaluated, excluding any irregularities smaller than the specified cutoff value. Overall, using a profilometer is an effective method to measure the surface roughness of a steel round bar, providing valuable information for quality control, manufacturing processes, and various applications where surface finish is critical.
- Q:Can steel round bars be used in the medical industry?
- Yes, steel round bars can be used in the medical industry. Stainless steel round bars, in particular, are commonly used in medical applications due to their corrosion resistance, strength, and durability. These bars can be used in the production of various medical devices and equipment, including surgical instruments, orthopedic implants, dental tools, and prosthetics. The high-quality stainless steel ensures that these products can withstand the demanding conditions of medical environments and provide optimal performance and safety to patients. Additionally, stainless steel round bars can be easily sterilized, making them suitable for use in sterile medical settings.
- Q:Can steel round bars be used for making universal joints?
- Yes, steel round bars can be used for making universal joints. Steel round bars are commonly used in the manufacturing of universal joints due to their strength, durability, and ability to handle high torque and rotational forces.
- Q:Can steel round bars be annealed?
- Yes, steel round bars can be annealed. Annealing is a heat treatment process that involves heating the steel to a specific temperature and then gradually cooling it down. This process helps to relieve internal stresses, improve ductility, and enhance the material's machinability. Annealing can be applied to a wide range of steel products, including round bars, to make them softer, more workable, and reduce the risk of cracking or failure during subsequent manufacturing processes.
- Q:What is the maximum length available for steel round bars?
- The maximum length available for steel round bars can vary depending on the supplier and the specific requirements, but typically it can range from 12 to 24 feet.
- Q:What are the advantages of using nickel-titanium alloy steel round bars?
- There are several advantages of using nickel-titanium alloy steel round bars. Firstly, this alloy offers high strength and excellent corrosion resistance, making it suitable for various applications in industries such as aerospace, automotive, and medical. Additionally, nickel-titanium alloy steel has shape memory properties, allowing it to return to its original shape after deformation, making it ideal for applications requiring repeated bending or twisting. Furthermore, this alloy exhibits superelasticity, meaning it can withstand large amounts of strain without permanent deformation, providing enhanced durability and longevity. Overall, the unique combination of strength, corrosion resistance, shape memory, and superelasticity makes nickel-titanium alloy steel round bars a versatile and advantageous material choice.
- Q:How are steel round bars used in the manufacturing of mining equipment?
- Due to their strength, durability, and versatility, steel round bars play a crucial role in the manufacturing of mining equipment. They are essential components used throughout the mining industry to ensure the reliability and longevity of the machinery. One primary application of steel round bars in mining equipment is for constructing frames and structural components. These bars provide the necessary structural support, ensuring the overall stability and robustness of the equipment. Whether it's excavators, drilling rigs, or conveyor systems, steel round bars are vital for maintaining the integrity of the machinery. Moreover, steel round bars are commonly utilized in manufacturing mining tools and attachments. They can be machined and shaped into various forms, such as shafts, pins, and bolts, which are essential for different mining operations. For instance, steel round bars are often used to make drill bits that can withstand high-pressure conditions while drilling into rock formations. Additionally, steel round bars are crucial for fabricating wear-resistant components in mining equipment. The harsh mining environments, including abrasive materials and extreme temperatures, require the use of durable materials. By using specific alloys and heat treatments, steel round bars can be employed to create wear-resistant parts like cutting edges, teeth, and buckets for excavators, ensuring their longevity and performance. Furthermore, steel round bars are also utilized in producing support structures and safety features in mining equipment. They can be used to create roll cages, protective frames, and guardrails, providing a safe working environment for operators and reducing the risk of accidents. Overall, steel round bars are vital components in the manufacturing of mining equipment. Their presence contributes to the strength, reliability, and performance of the machinery. Whether it's in construction, tool fabrication, wear-resistant components, or safety features, steel round bars ensure the durability and efficiency of mining machinery, enabling the industry to operate effectively and safely.
- Q:The 8 thread can replace the beam stirrups by steel
- That's fine, but it's not necessary. It's more expensive. Of course, there's no substitute for steel bars on the site.
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Carbon Structural Steel Round Bars Q235CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 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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