Hot Rolled Mild Steel Round Bar Q235 Q345 Q355
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Type:
Carbon Steel
Shape:
Steel Round Bar
Hot Rolled Mild Steel Round Bar Q235 Q345 Q355
Name | SAE1045 Carbon Steel Round Bar |
Shape | Round Bar/Square Bar/Flat Bar/Plate/Wire |
Standard | GB/ASTM/SAE/AISI/DIN/JIS/EN/BS |
Surface Treatment: | Black/Peeling/Polished/Machined |
Delivery Condition: | Hot Rolled or Forged/Peeled or Black Surface |
Test | SGS/UT 100% Elements Testing |
Certificate: | ISO/Mill Certificate |
Service: | 24 hours online service / |
more than 20 years trading and manufacture | |
Quality Assurance: | the third party inspection, such as SGS, BV, TUV…etc. is acceptable |
Packaging Details: | seaworthy packaging or as per customer's packing instruction |
Products Overview
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) |
Packaging & Delivery
Packaging Detail | Sea worthy packing /as per customer's packing instruction |
Delivery Detail | 15 ~ 40 days after receiving the deposit |
Product Show
Workshop
FAQ
Are you a trading company or manufacturer? | Manufacturer |
What’s the MOQ? | 3 metric ton |
What’s your delivery time? | 15-35 days after downpayment received |
Do you Accept OEM service? | Yes |
what’s your delivery terms? | FOB/CFR/CIF |
What's the Payment Terms? | 30% as deposit,70% before shipment by T/T |
Western Union acceptable for small amount. | |
L/C acceptable for large amount. | |
Scrow ,Paybal,Alipay are also ok | |
Why choose us? | Chose happens because of quality, then price, We can give you both. |
Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals. | |
What's your available port of Shipment? | Main Port, China |
What’s your featured services? | Our service formula: good quality+ good price+ good service=customer's trust |
Where are your Market? | Covering more than 160 countries in the world |
- Q: How does special steel contribute to the mining equipment industry?
- Enhanced durability, strength, and resistance to wear and corrosion are crucial aspects of special steel's role in the mining equipment industry. Mining operations operate in challenging and harsh environments, making robust and reliable equipment essential. Special steel, designed specifically to withstand extreme conditions, improves the overall performance and longevity of mining equipment. The exceptional strength of special steel is one of its main advantages in the mining industry. Conventional materials quickly degrade under the intense forces of crushing, impact, and abrasion that mining equipment experiences. Special steel, however, offers superior strength properties, enabling mining equipment to withstand heavy loads without deformation or breakage. Additionally, special steel provides excellent resistance to wear and corrosion, addressing common challenges in mining operations. Regular steel is susceptible to quick wear from abrasive rocks and minerals, leading to equipment lifespan reduction and increased maintenance costs. Special steel, with its higher hardness and wear resistance, minimizes the impact of abrasive materials, prolonging the life of mining equipment and reducing downtime. Corrosion is another prevalent issue in the mining industry due to exposure to moisture, chemicals, and harsh environments. Special steel is formulated to resist corrosion, ensuring that mining equipment remains structurally sound and functional even in corrosive conditions. This corrosion resistance enhances the overall safety and reliability of mining operations. Furthermore, special steel allows manufacturers to customize and design mining equipment to meet specific needs. Different grades of special steel optimize the properties of mining equipment, enabling it to fulfill the unique requirements of various mining applications. In conclusion, special steel significantly contributes to the mining equipment industry by providing enhanced strength, durability, wear resistance, and corrosion resistance. Its utilization improves performance, extends equipment lifespan, reduces maintenance costs, and enhances safety in mining operations.
- Q: What are the different coating and plating options for special steel?
- There are several coating and plating options available for special steel, including electroplating, galvanizing, powder coating, and ceramic coating. Electroplating involves depositing a layer of metal onto the steel surface using an electric current, providing enhanced corrosion resistance and improved appearance. Galvanizing, on the other hand, involves applying a layer of zinc to the steel through a hot-dip process, protecting it from rust and corrosion. Powder coating involves applying a dry powder to the steel surface, which is then heated to form a protective and durable coating. Ceramic coating, also known as thermal barrier coating, is a high-temperature protective layer that provides excellent resistance to heat and wear. These various options offer different benefits and are chosen based on the specific requirements and desired properties of the special steel.
- Q: What is the role of cobalt in special steel?
- Due to its unique properties and characteristics, cobalt plays a crucial role in special steel. It serves as a significant alloying element in the production of high-performance steel alloys, particularly those used in demanding applications where strength, hardness, and heat resistance are vital. Cobalt's primary function in special steel is to enhance its overall strength and toughness. By forming a solid solution with iron, cobalt creates a fine-grained microstructure that improves the mechanical properties of the steel. This results in increased hardness, wear resistance, and the ability to withstand high temperatures and harsh environments. Moreover, cobalt improves the steel's resistance to corrosion and oxidation, making it suitable for extreme conditions in industries like aerospace, oil and gas, and automotive. Additionally, it enhances the steel's magnetic properties, making it valuable in electrical and electronic devices. Another essential role of cobalt in special steel is its ability to facilitate the formation of stable carbides. The addition of cobalt aids in the precipitation and dispersion of carbides, contributing to the steel's high-temperature strength and excellent retention of hardness at elevated temperatures. Furthermore, cobalt assists in refining the grain structure of the steel, resulting in improved machinability and surface finish. It also allows for better control over the hardenability of the steel, determining its capacity for heat treatment and achieving desired hardness levels. To summarize, cobalt plays a multifaceted and indispensable role in special steel. It enhances the steel's strength, hardness, and toughness, improves its resistance to corrosion and oxidation, and enables it to withstand high temperatures. Cobalt also aids in refining the microstructure of the steel, enhancing machinability and allowing precise control over its hardenability.
- Q: What are the different types of tool steels used in special steel?
- There are various types of tool steels that are commonly used in special steel applications. These types of steels are specifically designed to exhibit exceptional hardness, wear resistance, toughness, and heat resistance, making them ideal for tooling and cutting applications. Some of the different types of tool steels used in special steel include: 1. Carbon Tool Steel: This type of tool steel contains high carbon content, typically ranging from 0.60% to 1.5%. It offers excellent hardness and wear resistance, making it suitable for applications such as drills, taps, and cutting tools. 2. High-Speed Steel (HSS): HSS is an alloy steel that contains a combination of various elements like tungsten, molybdenum, chromium, and vanadium. It provides exceptional heat resistance, hardness, and toughness, allowing it to retain its cutting edge even at high temperatures. HSS is commonly used in drill bits, milling cutters, and other cutting tools. 3. Cold Work Tool Steel: This type of tool steel is designed to be used at room temperature or lower temperatures. It offers excellent toughness, wear resistance, and strength. Cold work tool steels are used in applications such as blanking, piercing, and forming dies. 4. Hot Work Tool Steel: Hot work tool steels are specifically developed to withstand high temperatures without losing their hardness and strength. They have good thermal conductivity and can resist thermal fatigue and deformation. Hot work tool steels are used in applications like forging dies, extrusion dies, and die casting molds. 5. Shock-Resisting Tool Steel: This type of tool steel is designed to resist shock and impact loads. It provides excellent toughness, strength, and wear resistance. Shock-resisting tool steels are commonly used in applications such as hammers, chisels, and pneumatic tools. 6. Stainless Tool Steel: Stainless tool steels contain high levels of chromium, which provides them with excellent corrosion resistance. These steels are commonly used in applications where resistance to rust and corrosion is essential, such as surgical instruments, molds, and cutlery. 7. Powder Metallurgy Tool Steel: Powder metallurgy tool steels are manufactured using a powder metallurgy process, which allows for precise control of the steel's composition and microstructure. These steels exhibit excellent wear resistance, high toughness, and good machinability. They are used in applications such as high-speed cutting tools and forming tools. Overall, the different types of tool steels used in special steel applications offer a wide range of characteristics and properties to meet the specific requirements of various cutting, forming, and tooling applications.
- Q: What are the challenges in heat treatment of special steel alloys?
- The challenges in heat treatment of special steel alloys primarily revolve around achieving the desired mechanical properties while maintaining the material's chemical composition and microstructure. Special steel alloys often contain a complex combination of elements, making it crucial to carefully control the heating and cooling processes to prevent undesirable phase transformations or the formation of unwanted precipitates. Additionally, the high hardenability of some special steel alloys can lead to difficulties in achieving uniform hardness throughout the material. Achieving precise temperature control, as well as managing the time and cooling rates, becomes critical in order to avoid issues such as distortion, cracking, or reduced mechanical strength. Overall, the challenges in heat treating special steel alloys lie in finding the right balance between achieving the desired properties while avoiding any detrimental effects on the material's integrity.
- Q: How does special steel contribute to improved product aesthetics?
- Improved product aesthetics can be achieved through the use of special steel in various ways. Firstly, special steel can be manufactured with a higher level of precision and consistency compared to regular steel. This enables the production of products with smoother surfaces, sharper edges, and more intricate designs, resulting in a visually pleasing appearance. Furthermore, special steel can be enhanced visually through treatments or coatings. For instance, it can be polished to create a reflective surface, giving the product a luxurious and high-end look. Additionally, special steel can be coated with different colors or finishes, such as chrome or black oxide, to match specific design preferences and create a more visually striking appearance. Moreover, the superior strength and flexibility of special steel allow for unique shaping and forming possibilities. This empowers designers to create products with innovative and complex shapes, contributing to a distinct and eye-catching aesthetic. The ability to mold special steel into various forms also opens up opportunities for intricate patterns, textures, and embossed designs on the product's surface. Lastly, special steel offers excellent corrosion resistance and durability, which helps maintain the product's appearance over time. It prevents rust, staining, and other forms of deterioration that can negatively impact the visual appeal. This long-lasting aesthetic quality is particularly valuable for products exposed to harsh environments or requiring frequent handling. In conclusion, special steel significantly enhances product aesthetics through precision manufacturing, customizable surface treatments, unique shaping capabilities, and long-lasting visual appeal. These qualities allow for the creation of visually appealing products that excel in design, finish, and overall appeal.
- Q: Can special steel be used in the medical field?
- Yes, special steel can be used in the medical field. Special steel alloys such as stainless steel are commonly used in medical devices and surgical instruments due to their excellent corrosion resistance, durability, and biocompatibility. These properties make special steel ideal for applications requiring cleanliness, strength, and resistance to body fluids.
- Q: What are the different non-metallic inclusions in special steel?
- The different non-metallic inclusions commonly found in special steel include oxides, sulfides, nitrides, and carbides. These inclusions can have various shapes and sizes, and their presence can significantly affect the mechanical properties and performance of the steel.
- Q: How does special steel play a role in the defense sector?
- The defense sector heavily relies on special steel because of its unique properties and characteristics, which make it highly suitable for various applications. Firstly, special steel possesses exceptional strength and durability, making it perfect for the manufacturing of military vehicles, armored personnel carriers, and tanks. These vehicles necessitate materials that can withstand high impacts, resist deformation, and provide protection against enemy attacks. Additionally, special steel finds its use in the production of military aircraft and naval vessels. Its high strength-to-weight ratio enables the construction of lightweight yet sturdy structures, allowing aircraft to carry heavy payloads and naval vessels to navigate through harsh conditions. Furthermore, special steel's resistance to corrosion makes it ideal for marine environments, ensuring the long lifespan and reliability of naval assets. Furthermore, special steel is utilized for the manufacturing of weapons and ammunition. Its hardness and toughness make it suitable for producing firearm barrels, armor-piercing projectiles, and other critical components. The ability of special steel to withstand extreme pressures, temperatures, and impact forces guarantees the accuracy, reliability, and effectiveness of military weaponry. Moreover, special steel is employed in the defense sector for the production of communication and surveillance equipment. Its electromagnetic properties allow for the creation of radar systems, antennas, and electronic enclosures, which are crucial for military operations. Special steel's resistance to electromagnetic interference ensures the integrity and security of communication systems, thereby enhancing the overall efficiency and effectiveness of defense operations. In conclusion, special steel plays a vital role in the defense sector by providing the necessary strength, durability, corrosion resistance, and electromagnetic properties for various applications. Its utilization in military vehicles, aircraft, naval vessels, weapons, and communication equipment enhances the overall capabilities, effectiveness, and safety of defense forces, thereby ensuring national security.
- Q: Can special steel be used in the printing industry?
- Yes, special steel can be used in the printing industry. It is commonly used for manufacturing various printing components such as blades, cylinders, and rollers due to its excellent durability, hardness, and resistance to wear and corrosion. Special steel can enhance the performance and longevity of printing equipment, resulting in higher printing quality and increased productivity.
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Hot Rolled Mild Steel Round Bar Q235 Q345 Q355
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 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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