Hot Rolled Steel Strips in Coils_Hot Rolled Coil
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Hot Rolled Steel Strips in Coils_Hot Rolled Coil
Quick Details
Name | Hot Rolled Steel Coil |
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 |
Specification
Product Name | Steel Grade | Thickness | Width | Application |
|
| |||
mm | m | |||
General structural steel | Q195,Q215A-Q235A/B/C/D | 1.9~25.4 | 0.7~2 | normal construction |
Q275A/B/C/D; SS330,SS400,SPHT1/2/3 | ||||
Low Carbon steel | SPCC,SPHC,St12,SAE1008; SPHD,SPCDK,St12,St13; SPHE,SPCE,St14 IF3 BH340 | 1.9~25.4 | 0.7~2 | Applied for cold rolling |
Carbon constructional quality steel | 08-45#,08Al15Al,S 20C S 35C | 1.9~25.4 | 0.7~2 | After being machined |
S 45C, K08AlZ06-10AlP | and hot treated to used as mechanical component | |||
Low-alloy constructional steel | SM490ASM490YA15Mn, Q345A Q345B Q345C Q345D | 1.9~25.4 | 0.7~2 | normal construction |
Hot Rolled Steel Chequered Coil | Q235 and custom | 2.0~ 8.0 | 0.9 |
|
Company Information
CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.
With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.
After-sale service | l CNBM provides the services and support you need for every step of our cooperation. We’re the business partners you can trust; you can relax and get on with doing business. |
l For any problem, please kindly contact us at any your convenient time, we’ll reply you in our first priority within 24 hours | |
Advantages | Industry experience over 20 years. |
Shipment of goods -More than 70 countries worldwide. | |
The most convenient transport and prompt delivery. | |
Competitive price with best service. | |
High technical production line with top quality products. | |
High reputation based on best quality products. |
Product Show
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: What are the different methods of surface peening for special steel?
- To enhance the mechanical properties of special steels, surface peening is employed to induce compressive stresses on the surface. This process helps improve fatigue life, resistance to stress corrosion cracking, and overall durability. Various methods of surface peening exist for special steel, including: 1. Shot Peening: This technique involves bombarding the steel surface with high-velocity spherical particles, known as shot. The impact of these particles induces plastic deformation and creates compressive stresses. Shot peening is widely used due to its effectiveness in improving fatigue life. 2. Ultrasonic Peening: Compressive stresses are induced on the steel surface using high-frequency vibrations in ultrasonic peening. These vibrations are applied through a tool in contact with the surface, leading to plastic deformation and the generation of compressive stresses. 3. Laser Peening: A high-energy laser beam is utilized in laser peening to create shockwaves on the steel surface. These shockwaves induce plastic deformation and generate compressive stresses. Laser peening is known for its precision and ability to target specific areas. 4. Cavitation Peening: By creating cavitation bubbles near the steel surface in a liquid medium, cavitation peening induces compressive stresses. The collapse of these bubbles generates high-intensity shockwaves. This method is particularly beneficial for irregularly shaped components. 5. Needle Peening: In needle peening, a bundle of fine needles is repeatedly impacted on the steel surface. This process induces plastic deformation and generates compressive stresses. Needle peening is commonly used for localized treatment of small areas. Each of these methods offers unique advantages and is suitable for specific applications. The selection of the surface peening method depends on factors like the type of special steel, component geometry, desired improvements, and available equipment. It is crucial to consider the specific requirements and seek expert advice to determine the most appropriate method for surface peening special steel.
- Q: How does special steel perform in cryogenic creep resistance?
- Special steel is renowned for its outstanding capability to resist cryogenic creep. Cryogenic creep refers to the deformation that materials undergo under constant stress in extremely low temperatures. Unlike other materials, special steel demonstrates superior resistance to this type of deformation, thanks to its distinct composition and manufacturing processes. The frigid environment encountered in cryogenic applications can weaken conventional materials and render them more susceptible to creep deformation. Nevertheless, special steel is purposefully designed to withstand these demanding conditions. Its composition typically contains a higher proportion of alloying elements, such as nickel, chromium, and molybdenum, which enhance its mechanical properties and bolster its resistance to cryogenic creep. Additionally, special steel undergoes meticulous heat treatment and processing techniques to optimize its microstructure and fortify its grain boundaries. Consequently, the resulting material possesses improved strength, toughness, and resistance to creep deformation, even at extremely low temperatures. The exceptional performance of special steel in cryogenic creep resistance renders it highly suitable for applications involving the storage, transportation, or processing of materials at cryogenic temperatures. Industries such as aerospace, energy, and scientific research heavily rely on special steel to construct cryogenic storage tanks, superconducting magnets, cryogenic valves, and more. To conclude, special steel's remarkable performance in resisting cryogenic creep can be attributed to its unique composition, heat treatment, and processing techniques. Its ability to maintain its mechanical properties and withstand deformation at extremely low temperatures makes it an ideal choice for various cryogenic applications.
- Q: Can special steel be used in the railway industry?
- Yes, special steel can be used in the railway industry. Special steel, such as high-strength steel or corrosion-resistant steel, can be utilized for various applications in the railway industry, including the construction of tracks, bridges, and locomotives. These types of steel offer enhanced durability, strength, and resistance to wear and tear, making them suitable for the demanding conditions and heavy loads encountered in the railway sector.
- Q: How does special steel contribute to the manufacturing of fasteners?
- Special steel contributes to the manufacturing of fasteners by providing higher strength, durability, and corrosion resistance compared to regular steel. This allows fasteners to withstand heavy loads, vibrations, and harsh environmental conditions, ensuring their longevity and reliability in various applications. Additionally, special steel can be tailored to specific requirements, enabling the production of fasteners with precise dimensions, shapes, and surface finishes, thereby enhancing their performance and compatibility with different components and structures.
- Q: Can special steel be used in the oil and gas equipment manufacturing industry?
- Yes, special steel can be used in the oil and gas equipment manufacturing industry. Special steels, such as stainless steel and alloy steel, are commonly utilized in this industry due to their superior corrosion resistance, high strength, and ability to withstand harsh operating conditions. These steels ensure the reliability and durability of oil and gas equipment, making them suitable for applications such as pipelines, valves, and drilling equipment.
- Q: What are the different methods of strengthening special steel?
- Special steel can be strengthened in various ways, each with its own benefits and uses. Heat treatment is a common method, involving heating the steel to a specific temperature and then cooling it rapidly or slowly, depending on the desired result. This can involve processes such as quenching, tempering, and annealing, which change the steel's microstructure to enhance its mechanical properties. Another method is alloying, where different elements are added to the steel to improve its strength. For instance, adding elements like chromium, nickel, or molybdenum can enhance the steel's resistance to corrosion, while vanadium or tungsten can increase its hardness and wear resistance. Cold working is another technique used to strengthen special steel, involving deforming the steel at room temperature through rolling, forging, or drawing. This aligns the steel's crystalline structure, boosting its strength and hardness. Moreover, surface treatments can be employed to enhance the strength of special steel. Techniques like carburizing, nitriding, or plating can introduce a hardened layer or coating on the steel's surface, improving its wear resistance and durability. Each method has its own advantages and can be customized to meet specific requirements and applications. By combining different strengthening techniques, special steel can be tailored to fulfill a wide range of industrial needs, making it a reliable and versatile material.
- Q: What are the different heat treatment grades of special steel?
- Special steel is available in multiple heat treatment grades, each possessing distinct properties and applications. Some commonly used grades include: 1. Annealed Steel: Through the annealing process, this grade is heated to a specific temperature and gradually cooled, enhancing its ductility and reducing hardness. It finds utility in applications demanding toughness and machinability. 2. Normalized Steel: This grade undergoes heat treatment by heating it above its critical temperature and then cooling it in still air. This refines the grain structure, improves mechanical properties, and reduces internal stresses. It is often employed in applications requiring high strength and weldability. 3. Quenched and Tempered Steel: This grade undergoes a two-step heat treatment process. First, it is heated to high temperatures and then rapidly cooled in a quenching medium. This results in hardened and brittle steel. To restore some toughness and reduce brittleness, the steel is reheated to a lower temperature. It is commonly used in applications demanding high strength, such as construction machinery, mining equipment, and automotive components. 4. Precipitation Hardening Steel: This grade is treated through a combination of heat treatment and precipitation hardening. Initially, the steel is solution treated at high temperatures to dissolve alloying elements. Rapid cooling retains a supersaturated solid solution. Subsequently, aging at a lower temperature allows the formation of fine precipitates, enhancing strength and hardness. It is utilized in applications requiring high strength and corrosion resistance, such as aerospace components and high-performance tools. 5. Case Hardening Steel: This grade undergoes surface heat treatment to increase the hardness of the outer layer while maintaining a tough core. Carburizing or nitriding introduces carbon or nitrogen into the surface layer, respectively. It is commonly employed in applications necessitating wear resistance, like gears, bearings, and camshafts. These examples represent the diversity of heat treatment grades in special steel, each offering unique properties and advantages suitable for various industries.
- Q: What are the common alloys used in special steel?
- Some common alloys used in special steel include stainless steel (which contains chromium and nickel), tool steel (which contains tungsten, molybdenum, and vanadium), and high-speed steel (which contains tungsten, molybdenum, and cobalt).
- Q: What are the main characteristics of magnetic steel?
- Magnetic steel, also referred to as ferromagnetic steel, possesses several essential features that render it highly suitable for a wide range of industrial applications. Firstly, magnetic steel demonstrates a robust magnetic field, enabling it to attract and retain magnetic materials. This quality plays a vital role in the production of electrical devices like motors, transformers, and generators, where the steel is utilized to establish magnetic circuits and enhance the efficiency of electromagnetic processes. Another significant aspect of magnetic steel is its high saturation magnetization, indicating its ability to reach maximum magnetic flux density under a given magnetic field strength. This attribute guarantees that magnetic steel can maintain a powerful magnetic field even when subjected to external forces or fluctuations in the magnetic field. Such stability and reliability render it ideal for applications that demand consistent magnetic performance. Moreover, magnetic steel exhibits exceptional electrical conductivity, which is of utmost importance in applications where the steel serves as a core material for electrical circuits. The superior electrical conductivity of magnetic steel minimizes energy losses and facilitates effective power transmission and distribution. Additionally, magnetic steel possesses a high coercivity, which denotes its capability to resist demagnetization. This characteristic is crucial in applications where the steel is exposed to fluctuating magnetic fields or mechanical stresses, as it ensures the long-term stability of its magnetic properties. In summary, the principal characteristics of magnetic steel encompass a strong magnetic field, high saturation magnetization, excellent electrical conductivity, and high coercivity. These properties establish magnetic steel as an indispensable material in various industries, including electrical engineering, power generation, and magnetic product manufacturing.
- Q: How is special steel used in the production of aircraft components?
- Special steel is used in the production of aircraft components due to its superior strength, durability, and resistance to corrosion. It is commonly used in critical parts such as engine components, landing gear, and structural elements. The unique properties of special steel ensure that aircraft components can withstand high temperatures, extreme pressures, and demanding operating conditions, ensuring the safety and reliability of aircraft.
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Hot Rolled Steel Strips in Coils_Hot Rolled Coil
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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